WILMINGTON HISTORICAL SOCIETY: Form 990EZ, tax year 2025
View the entire original 990 at ProPublica ↗
- Organization
- WILMINGTON HISTORICAL SOCIETY (EIN 33-0318784)
- Tax period
- 2025-04-01 to 2026-03-31
- Filed
- 2026-06-30
- IRS object ID
- 202611829349200106
- Schema version
- 2025v4.0
- Source
- Download XML · Original 990 at ProPublica
Every field in the e-filed return. Faint text is the IRS element name, for citing.
Return header ReturnHeader
| Field | Value | IRS element (for citing) |
|---|---|---|
| Return | 2026-06-30T20:33:23-07:00 | ReturnTs |
| Tax Period End | 2026-03-31 | TaxPeriodEndDt |
| Return Type | 990EZ | ReturnTypeCd |
| Tax Period Begin | 2025-04-01 | TaxPeriodBeginDt |
Filer Filer
| Field | Value | IRS element (for citing) |
|---|---|---|
| EIN | 330318784 | EIN |
Business Name BusinessName
| Field | Value | IRS element (for citing) |
|---|---|---|
| Business Name Line1 | WILMINGTON HISTORICAL SOCIETY | BusinessNameLine1Txt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Business Name Control | WILM | BusinessNameControlTxt |
| Phone | 3106291995 | PhoneNum |
US Address USAddress
| Field | Value | IRS element (for citing) |
|---|---|---|
| Address Line1 | 309 West Opp Street | AddressLine1Txt |
| City | Wilmington | CityNm |
| State Abbreviation | CA | StateAbbreviationCd |
| ZIP | 90744 | ZIPCd |
Business Officer BusinessOfficerGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Person | Laura Mohberg | PersonNm |
| Person Title | Treasurer | PersonTitleTxt |
| Phone | 3106291995 | PhoneNum |
| Signature | 2026-06-30 | SignatureDt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Tax | 2025 | TaxYr |
| Build TS | 2025-03-06 01:10:19Z | BuildTS |
Form 990-EZ IRS990EZ
| Field | Value | IRS element (for citing) |
|---|---|---|
| Method Of Accounting Accrual | Yes (X) | MethodOfAccountingAccrualInd |
| Schedule B Not Required | Yes (X) | ScheduleBNotRequiredInd |
| Organization501c3 | Yes (X) | Organization501c3Ind |
| Type Of Organization Assoc | Yes (X) | TypeOfOrganizationAssocInd |
| Gross Receipts | $70,447 | GrossReceiptsAmt |
| Info In Schedule O Part I | Yes (X) | InfoInScheduleOPartIInd |
| Contributions Gifts Grants Etc | $70,132 | ContributionsGiftsGrantsEtcAmt |
| Program Service Revenue | $0 | ProgramServiceRevenueAmt |
| Membership Dues | $50 | MembershipDuesAmt |
| Investment Income | $0 | InvestmentIncomeAmt |
| Sale Of Assets Gross | $0 | SaleOfAssetsGrossAmt |
| Cost Or Other Basis Expense Sale | $0 | CostOrOtherBasisExpenseSaleAmt |
| Gain Or Loss From Sale Of Assets | $0 | GainOrLossFromSaleOfAssetsAmt |
| Gaming Gross Income | $0 | GamingGrossIncomeAmt |
| Fundraising Gross Income | $125 | FundraisingGrossIncomeAmt |
| Special Events Direct Expenses | $0 | SpecialEventsDirectExpensesAmt |
| Special Events Net Income Loss | $125 | SpecialEventsNetIncomeLossAmt |
| Gross Sales Of Inventory | $140 | GrossSalesOfInventoryAmt |
| Cost Of Goods Sold | $0 | CostOfGoodsSoldAmt |
| Gross Profit Loss Sls Of Invntry | $140 | GrossProfitLossSlsOfInvntryAmt |
| Other Revenue Total | $0 | OtherRevenueTotalAmt |
| Total Revenue | $70,447 | TotalRevenueAmt |
| Grants And Similar Amounts Paid | $0 | GrantsAndSimilarAmountsPaidAmt |
| Benefits Paid To Or For Members | $0 | BenefitsPaidToOrForMembersAmt |
| Salaries Other Comp Empl Bnft | $0 | SalariesOtherCompEmplBnftAmt |
| Fees And Other Pymt To Ind Cntrct | $8,835 | FeesAndOtherPymtToIndCntrctAmt |
| Occupancy Rent Utlts And Maint | $37,601 | OccupancyRentUtltsAndMaintAmt |
| Printing Publications Postage | $17 | PrintingPublicationsPostageAmt |
| Other Expenses Total | $12,568 | OtherExpensesTotalAmt |
| Total Expenses | $59,021 | TotalExpensesAmt |
| Excess Or Deficit For Year | $11,426 | ExcessOrDeficitForYearAmt |
| Net Assets Or Fund Balances BOY | $14,468 | NetAssetsOrFundBalancesBOYAmt |
| Other Changes In Net Assets | $0 | OtherChangesInNetAssetsAmt |
| Net Assets Or Fund Balances EOY | $25,894 | NetAssetsOrFundBalancesEOYAmt |
Cash Savings And Investments CashSavingsAndInvestmentsGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| BOY | $14,468 | BOYAmt |
| EOY | $25,894 | EOYAmt |
Land And Buildings LandAndBuildingsGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| BOY | $0 | BOYAmt |
| EOY | $0 | EOYAmt |
Other Assets Total Detail OtherAssetsTotalDetail
| Field | Value | IRS element (for citing) |
|---|---|---|
| BOY | $0 | BOYAmt |
| EOY | $0 | EOYAmt |
Form990 Total Assets Form990TotalAssetsGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| BOY | $14,468 | BOYAmt |
| EOY | $25,894 | EOYAmt |
Sum Of Total Liabilities SumOfTotalLiabilitiesGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| BOY | $0 | BOYAmt |
| EOY | $0 | EOYAmt |
Net Assets Or Fund Balances NetAssetsOrFundBalancesGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| BOY | $14,468 | BOYAmt |
| EOY | $25,894 | EOYAmt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Primary Exempt Purpose | We collect, archive, digitize, educate and make available to the public the local history of Wilmington California. | PrimaryExemptPurposeTxt |
Program Srvc Accomplishment ProgramSrvcAccomplishmentGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Description Program Srvc Accom | Digitized and processed several collections. Raised funds and coordinated the Preservation the historical library we are located in (floors, pergola and tiled roof repaired/ refurbished/preserved). Had 10 trees removed according to the Zero tolerance mandate. Held several history talks to create awareness of the archives. Collaborated with The Port of Los Angeles and the Rotary for Fleetweek where we had our Roadshow presented at the Phineas Banning Museum. Collaborated with LA Conservancy, Etan Does LA. He promoted the historical library and has 20K followers. | DescriptionProgramSrvcAccomTxt |
| Grants And Allocations | $70,447 | GrantsAndAllocationsAmt |
| Program Service Expenses | $55,893 | ProgramServiceExpensesAmt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Total Program Service Expenses | $55,893 | TotalProgramServiceExpensesAmt |
Officer Director Trustee Empl OfficerDirectorTrusteeEmplGrp (2 entries)
| TitleTitleTxt | Average Hrs Per Wk Devoted To PosAverageHrsPerWkDevotedToPosRt | CompensationCompensationAmt | Employee Benefit ProgramEmployeeBenefitProgramAmt | Expense Account Other AllwncExpenseAccountOtherAllwncAmt |
|---|---|---|---|---|
| Laura Mohberg | ||||
| Treasurer | 30.00 | $0 | $0 | $0 |
| Simie Seaman | ||||
| President | 10 | $0 | $0 | $0 |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Activities Not Previously Rpt | 0 | ActivitiesNotPreviouslyRptInd |
| Chg Made To Orgnzng Doc Not Rpt | 0 | ChgMadeToOrgnzngDocNotRptInd |
| Organization Had UBI | 0 | OrganizationHadUBIInd |
| Subject To Proxy Tax | 0 | SubjectToProxyTaxInd |
| Organization Dissolved Etc | 0 | OrganizationDissolvedEtcInd |
| Direct Indirect Pltcl Expend | $0 | DirectIndirectPltclExpendAmt |
| Form1120 Pol Filed | 0 | Form1120PolFiledInd |
| Made Loans To From Officers | 0 | MadeLoansToFromOfficersInd |
| Tax Imposed Under IRC4911 | $0 | TaxImposedUnderIRC4911Amt |
| Tax Imposed Under IRC4912 | $0 | TaxImposedUnderIRC4912Amt |
| Tax Imposed Under IRC4955 | $0 | TaxImposedUnderIRC4955Amt |
| Engaged In Excess Benefit Trans | 0 | EngagedInExcessBenefitTransInd |
| Tax Imposed On Organization Mgr | $0 | TaxImposedOnOrganizationMgrAmt |
| Tax Reimbursed By Organization | $0 | TaxReimbursedByOrganizationAmt |
| Prohibited Tax Shelter Trans | 0 | ProhibitedTaxShelterTransInd |
| States Where Copy Of Return Is Fld | CA | StatesWhereCopyOfReturnIsFldCd |
Books In Care Of Detail BooksInCareOfDetail
| Field | Value | IRS element (for citing) |
|---|---|---|
| Person | Laura Mohberg | PersonNm |
US Address USAddress
| Field | Value | IRS element (for citing) |
|---|---|---|
| Address Line1 | 309 West Opp Street | AddressLine1Txt |
| City | Wilmington | CityNm |
| State Abbreviation | CA | StateAbbreviationCd |
| ZIP | 90744 | ZIPCd |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Phone | 3106291995 | PhoneNum |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Foreign Financial Account | 0 | ForeignFinancialAccountInd |
| Foreign Office | 0 | ForeignOfficeInd |
| Donor Advised Fnds | 0 | DonorAdvisedFndsInd |
| Operate Hospital | 0 | OperateHospitalInd |
| Tanning Services Provided | 0 | TanningServicesProvidedInd |
| Related Organization Ctrl Ent | 0 | RelatedOrganizationCtrlEntInd |
| Transaction With Control Ent | 0 | TransactionWithControlEntInd |
| Political Campaign Acty | 0 | PoliticalCampaignActyInd |
| Lobbying Activities | 0 | LobbyingActivitiesInd |
| School Operating | 0 | SchoolOperatingInd |
| Trnsfr Exmpt Non Chrtbl Rltd Org | 0 | TrnsfrExmptNonChrtblRltdOrgInd |
| Part VI Of Comp Of Hghst Pd Empl | NONE | PartVIOfCompOfHghstPdEmplTxt |
| Part VI Hghst Pd Cntrct Prof Srvc | NONE | PartVIHghstPdCntrctProfSrvcTxt |
| Filed Schedule A | Yes (1) | FiledScheduleAInd |
Schedule A IRS990ScheduleA
| Field | Value | IRS element (for citing) |
|---|---|---|
| Publicly Supported Org509a2 | Yes (X) | PubliclySupportedOrg509a2Ind |
Gifts Grants Contris Rcvd509 GiftsGrantsContrisRcvd509Grp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year | $70,132 | CurrentTaxYearAmt |
| Total | $70,132 | TotalAmt |
Total509 Total509Grp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $70,132 | CurrentTaxYearAmt |
| Total | $70,132 | TotalAmt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Public Support Total509 | $70,132 | PublicSupportTotal509Amt |
Total Support Calendar Year TotalSupportCalendarYearGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $70,132 | CurrentTaxYearAmt |
| Total | $70,132 | TotalAmt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Public Support CY509 | 1 | PublicSupportCY509Pct |
| Public Support PY509 | 0 | PublicSupportPY509Pct |
| Investment Income CY | 0 | InvestmentIncomeCYPct |
| Investment Income PY | 0 | InvestmentIncomePYPct |
| Thirty Thr Pct Suprt Tests CY509 | Yes (X) | ThirtyThrPctSuprtTestsCY509Ind |
Schedule O IRS990ScheduleO
Supplemental Information Detail SupplementalInformationDetail
| Field | Value | IRS element (for citing) |
|---|---|---|
| Form And Line Reference | Form 990-EZ, Part I, Line 16 | FormAndLineReferenceDesc |
| Explanation | Description;Amount^Accounting Fee;10|Fundraising Fee;5000|Insurance Property;426|Marketing Expense;1700|Meals;51|Archival Supplies;1000|Computer Equipment;379|Registration Fee;25|Website Domain Hosting;30|Telephone Wireless;831|Catering;2110|Security;360|Videographer;646^Total;12568^ | ExplanationTxt |