﻿<?xml version="1.0" encoding="utf-8"?>
<Return xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2015v3.0" xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2017-02-01T19:14:41-06:00</ReturnTs>
    <TaxPeriodEndDt>2016-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>946214841</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Armanino LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>12657 Alcosta Blvd Ste 500</AddressLine1Txt>
        <CityNm>San Ramon</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>945834600</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2015-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>200089179</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>Donald B Tanklage and Carole F Tanklage</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>Foundation</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>DONA</BusinessNameControlTxt>
      <PhoneNum>4154642500</PhoneNum>
      <USAddress>
        <AddressLine1Txt>5 Hamilton Landing No 200</AddressLine1Txt>
        <CityNm>Novato</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>94949</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>SA HARTMAN</PersonNm>
      <PersonTitleTxt>CFO</PersonTitleTxt>
      <PhoneNum>4154642500</PhoneNum>
      <SignatureDt>2017-01-30</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>Katy Brown</PreparerPersonNm>
      <PTIN>P00650274</PTIN>
      <PhoneNum>9257902600</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2015</TaxYr>
    <BuildTS>2021-01-29 14:40:06Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>DR THOMAS PETERS</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>5 Hamilton Landing No 200</AddressLine1Txt>
        <CityNm>Novato</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>94949</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>42970772</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>2002</FormationYr>
      <LegalDomicileStateCd>CA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>Charitable Grantmaking</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>8</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>5</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalVolunteersCnt>5</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>0</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>0</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>0</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>0</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>3801</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>81997</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>3801</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>81997</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>60000</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>0</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>0</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>76717</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>99003</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>136717</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>99003</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-132916</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-17006</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>12943367</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>13137181</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>5748</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>5393</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>12937619</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>13131788</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>THE DONALD B. TANKLAGE AND CAROL F. TANKLAGE FOUNDATION IS A CALIFORNIA NON-PROFIT PUBLIC BENEFIT CORPORATION ORGANIZED AS A SUPPORTING ORGANIZATION OF THE MARIN COMMUNITY FOUNDATION ("MCF"). THE DONALD B. TANKLAGE AND CAROL F. TANKLAGE FOUNDATION ENGAGES IN CHARITABLE ACTIVITIES THAT ARE CONSISTENT WITH THE CHARITABLE PURPOSES OF MCF. MCF'S MISSION IS TO ENCOURAGE AND APPLY PHILANTHROPIC CONTRIBUTIONS TO HELP IMPROVE THE HUMAN CONDITION, EMBRACE DIVERSITY, PROMOTE A HUMANE AND DEMOCRATIC SOCIETY, AND ENHANCE THE COMMUNITY'S QUALITY OF LIFE, NOW AND FOR FUTURE GENERATIONS.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>29182</ExpenseAmt>
      <Desc>TO ENCOURAGE AND APPLY PHILANTHROPIC CONTRIBUTIONS TO HELP IMPROVE THE HUMAN CONDITION. DURING THE FISCAL YEAR ENDED JUNE 30, 2016, NO GRANTS WERE AWARDED.</Desc>
      <TotalProgramServiceExpensesAmt>29182</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>0</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <TempOrPermanentEndowmentsInd referenceDocumentId="RetDoc1040000001">0</TempOrPermanentEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">0</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">1</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">0</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWithOfficerEntInd>0</BusinessRlnWithOfficerEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">0</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd referenceDocumentId="RetDoc1043400001">0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>0</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>8</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>5</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>1</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>0</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>0</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>CA</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>SA Hartman</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>4154642500</PhoneNum>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>Carole Tanklage</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>5.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kristen Tanklage-Murphy</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.10</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Lynn Tanklage-Martenson</PersonNm>
        <TitleTxt>director</TitleTxt>
        <AverageHoursPerWeekRt>0.10</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kathleen Foote</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.10</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Mary Jane Burke</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.10</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Alexandra Derby</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>40.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>191819</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>61428</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRIAN VAN WEELE</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.10</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>40.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>136155</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>34373</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Vikki Garrod</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>0.10</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>40.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>185245</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>50521</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Thomas Peters PHD</PersonNm>
        <TitleTxt>President and CEO</TitleTxt>
        <AverageHoursPerWeekRt>0.10</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>40.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>530569</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>63591</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SA Hartman</PersonNm>
        <TitleTxt>CFO</TitleTxt>
        <AverageHoursPerWeekRt>0.10</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>40.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>320255</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>86399</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Caroline Jensen</PersonNm>
        <TitleTxt>Secretary (Through 10/25/15)</TitleTxt>
        <AverageHoursPerWeekRt>0.10</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>40.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>89162</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>28246</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Ashley Smith</PersonNm>
        <TitleTxt>Secretary (Start 10/26/15)</TitleTxt>
        <AverageHoursPerWeekRt>0.10</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>40.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>14347</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>2621</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>1467552</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>327179</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>772</TotalRevenueColumnAmt>
        <ExclusionAmt>772</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>42905000</SecuritiesAmt>
        <OtherAmt>65000</OtherAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>42888775</SecuritiesAmt>
        <OtherAmt>0</OtherAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>16225</SecuritiesAmt>
        <OtherAmt>65000</OtherAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>81225</TotalRevenueColumnAmt>
        <ExclusionAmt>81225</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>81997</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>0</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>81997</ExclusionAmt>
      </TotalRevenueGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>5393</TotalAmt>
        <ManagementAndGeneralAmt>5393</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>14254</TotalAmt>
        <ProgramServicesAmt>7127</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7127</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <OtherExpensesGrp>
        <Desc>administrative fees</Desc>
        <TotalAmt>44110</TotalAmt>
        <ProgramServicesAmt>22055</ProgramServicesAmt>
        <ManagementAndGeneralAmt>22055</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>property taxes</Desc>
        <TotalAmt>35246</TotalAmt>
        <ManagementAndGeneralAmt>35246</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>99003</TotalAmt>
        <ProgramServicesAmt>29182</ProgramServicesAmt>
        <ManagementAndGeneralAmt>69821</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>19339</BOYAmt>
        <EOYAmt>45864</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <EOYAmt>10000</EOYAmt>
      </AccountsReceivableGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>10424028</BOYAmt>
        <EOYAmt>10370142</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>2500000</BOYAmt>
        <EOYAmt>2711175</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>12943367</BOYAmt>
        <EOYAmt>13137181</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>5748</BOYAmt>
        <EOYAmt>5393</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>5748</BOYAmt>
        <EOYAmt>5393</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>12937619</BOYAmt>
        <EOYAmt>13131788</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>12937619</BOYAmt>
        <EOYAmt>13131788</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>12943367</BOYAmt>
        <EOYAmt>13137181</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-17006</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>211175</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolAndSepBasisFinclStmtInd>X</ConsolAndSepBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <SupportingOrganization509a3Ind>X</SupportingOrganization509a3Ind>
      <SupportingOrgType1Ind>X</SupportingOrgType1Ind>
      <SupportedOrganizationsCnt>1</SupportedOrganizationsCnt>
      <SupportedOrgInformationGrp>
        <SupportedOrganizationName>
          <BusinessNameLine1Txt>Marin Comm Foundation</BusinessNameLine1Txt>
        </SupportedOrganizationName>
        <EIN>943007979</EIN>
        <OrganizationTypeCd>8</OrganizationTypeCd>
        <GoverningDocumentListedInd>1</GoverningDocumentListedInd>
        <SupportAmt>0</SupportAmt>
        <OtherSupportAmt>0</OtherSupportAmt>
      </SupportedOrgInformationGrp>
      <SupportedOrganizationsTotalCnt>1</SupportedOrganizationsTotalCnt>
      <SupportSumAmt>0</SupportSumAmt>
      <OtherSupportSumAmt>0</OtherSupportSumAmt>
      <Form990SchASupportingOrgGrp>
        <ListedByNameGoverningDocInd>1</ListedByNameGoverningDocInd>
        <SuprtOrgNoIRSDeterminationInd>0</SuprtOrgNoIRSDeterminationInd>
        <SupportedOrgSectionC456Ind>0</SupportedOrgSectionC456Ind>
        <SupportedOrgNotOrganizedUSInd>0</SupportedOrgNotOrganizedUSInd>
        <OrganizationChangeSuprtOrgInd>0</OrganizationChangeSuprtOrgInd>
        <SupportNonSupportedOrgInd>0</SupportNonSupportedOrgInd>
        <PaymentSubstantialContribtrInd>0</PaymentSubstantialContribtrInd>
        <LoanDisqualifiedPersonInd>0</LoanDisqualifiedPersonInd>
        <ControlledDisqualifiedPrsnInd>0</ControlledDisqualifiedPrsnInd>
        <DisqualifiedPrsnControllIntInd>0</DisqualifiedPrsnControllIntInd>
        <DisqualifiedPrsnOwnrIntInd>0</DisqualifiedPrsnOwnrIntInd>
        <ExcessBusinessHoldingsRulesInd>0</ExcessBusinessHoldingsRulesInd>
        <ContributionControllerInd>0</ContributionControllerInd>
        <ContributionFamilyInd>0</ContributionFamilyInd>
        <Contribution35ControlledInd>0</Contribution35ControlledInd>
      </Form990SchASupportingOrgGrp>
      <Form990SchAType1SuprtOrgGrp>
        <PowerAppointMajorityDirTrstInd>1</PowerAppointMajorityDirTrstInd>
        <OperateBenefitNonSuprtOrgInd>0</OperateBenefitNonSuprtOrgInd>
      </Form990SchAType1SuprtOrgGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <InclEscrowCustodialAcctLiabInd>0</InclEscrowCustodialAcctLiabInd>
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>Land</Desc>
        <BookValueAmt>2711175</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>2711175</TotalBookValueOtherAssetsAmt>
      <TotalRevEtcAuditedFinclStmtAmt>293172</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>211175</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>211175</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>81997</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>81997</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>99003</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>99003</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>99003</TotalExpensesPerForm990Amt>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Alexandra Derby</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>188746</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>3073</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>35126</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>26302</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>253247</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRIAN VAN WEELE</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>106704</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>29451</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>25442</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>8931</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>170528</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Vikki Garrod</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>181689</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>3556</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>32987</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>17534</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>235766</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Thomas Peters PHD</PersonNm>
        <TitleTxt>President and CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>431272</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>99297</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>31800</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>31791</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>594160</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SA Hartman</PersonNm>
        <TitleTxt>CFO</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>293147</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>27108</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>67800</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>18599</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>406654</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>Carol F. Tanklage is the parent of Kristen Tanklage-Murphy and Lynne Tanklage-Mortenson.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>The foundation has 2 Classes of Directors that each can appoint Directors per section 3.2 of the Bylaws: The Marin Community Foundation (MCF) Class and the Donor Class. The MCF Class appointed directors always hold a majority of the board seats. The current Board has 4 MCF Class Directors and 3 Donor Class Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990 is provided to the Chief Financial officer and Vice President for Finance for review before filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL MEMBERS OF THE GOVERNING BOARD, OFFICERS AND KEY EMPLOYEES MUST ANNUALLY REVIEW THE CONFLICT OF INTEREST POLICY AND COMPLETE A QUESTIONNAIRE CONCERNING COMPLIANCE ON AN ANNUAL BASIS. THE FORMS ARE REVIEWED BY THE CORPORATE SECRETARY AND CFO TO ENSURE ONGOING COMPLIANCE AND DETERMINE WHETHER A CONFLICT EXISTS. ALL CONFLICTS AND POTENTIAL CONFLICTS ARE REQUIRED TO BE DISCLOSED, AND THE PERSON IS EXCLUDED FROM PARTICIPATING IN DELIBERATIONS AND DECISIONS CONCERNING THE MATTER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>DONALD B. TANKLAGE AND CAROL F. TANKLAGE FOUNDATION (THE FOUNDATION) DOES NOT HAVE ANY PAID STAFF. IF THE FOUNDATION WERE TO HIRE EXECUTIVE STAFF IT WOULD FOLLOW THE POLICIES AND PROCEDURES OF ITS PARENT ORGANIZATION, THE MARIN COMMUNITY FOUNDATION (MCF). MCF'S TOP MANAGEMENT OFFICIAL'S COMPENSATION PACKAGE IS REVIEWED AND DECIDED ANNUALLY BY THE BOARD OF DIRECTORS. A COMPENSATION COMMITTEE COMPRISED OF SEVERAL INDEPENDENT MEMBERS OF THE BOARD OF DIRECTORS IS ESTABLISHED ANNUALLY. EVERY FEW YEARS, THE COMMITTEE ENGAGES AN INDEPENDENT EXECUTIVE COMPENSATION CONSULTANT TO EVALUATE THE PRESIDENT'S AND CFO/COO'S COMPENSATION PACKAGES TO DETERMINE IF THE COMPONENTS, AS WELL AS THE PACKAGE AS A WHOLE, CONTINUE TO BE FAIR AND REASONABLE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 18</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Governing documents, conflict of interest policy and financial statements are available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>THIS PROCESS HAS NOT CHANGED FROM PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>10000 Degrees</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>781 Lincoln Avenue Suite 140</AddressLine1Txt>
          <CityNm>San Rafael</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94901</ZIPCd>
        </USAddress>
        <EIN>953667812</EIN>
        <PrimaryActivitiesTxt>Scholarship</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11a, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Alcohol Justice</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>24 Belvedere Street</AddressLine1Txt>
          <CityNm>San Rafael</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94901</ZIPCd>
        </USAddress>
        <EIN>680152770</EIN>
        <PrimaryActivitiesTxt>Promote public health</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11a, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Bingham Osborn &amp; Scarborough Foundation</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>510515757</EIN>
        <PrimaryActivitiesTxt>Grantmaking</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11a, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Dagmar Dolby Fund</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>475332690</EIN>
        <PrimaryActivitiesTxt>Grantmaking</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11a, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Fullerton Family Foundation</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>943316190</EIN>
        <PrimaryActivitiesTxt>Grantmaking</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11a, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Kurland Family Foundation</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>870749260</EIN>
        <PrimaryActivitiesTxt>Grantmaking</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11a, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Lynx Foundation</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>262717594</EIN>
        <PrimaryActivitiesTxt>Grantmaking</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11a, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Margaret E Haas Fund</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>510533111</EIN>
        <PrimaryActivitiesTxt>Grantmaking</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11a, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>943007979</EIN>
        <PrimaryActivitiesTxt>Grantmaking</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 8</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>MCF Charitable Fund</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>841695823</EIN>
        <PrimaryActivitiesTxt>Support Marin Community Foundation and its goals</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11b, II</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>MCF Gift Fund Inc</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>680477815</EIN>
        <PrimaryActivitiesTxt>Support Marin Community Foundation and its goals</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11b, II</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>MCF One</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>510666996</EIN>
        <PrimaryActivitiesTxt>Support Marin Community Foundation and its goals</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11b, II</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>MCF Property Holdings Inc</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>943274626</EIN>
        <PrimaryActivitiesTxt>To provide leased properties for non-profit organizations</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11b, II</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Peter E Haas Jr Family Fund</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>141962681</EIN>
        <PrimaryActivitiesTxt>Grantmaking</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11a, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Pirkle Jones Foundation</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 Hamilton Landing Suite 200</AddressLine1Txt>
          <CityNm>Novato</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94949</ZIPCd>
        </USAddress>
        <EIN>680664486</EIN>
        <PrimaryActivitiesTxt>Grantmaking</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 11a, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Marin Community Foundation</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>1</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>