KEYSTONE FOUNDATION
Cite this
Plain text KEYSTONE FOUNDATION. Strategy Studio, nonprofit organization profile, tax years 2020–2024. https://strategystudio.org/org/320487141. Retrieved 2026-10-18.
APA Strategy Studio. (n.d.). KEYSTONE FOUNDATION [Nonprofit organization profile; tax years 2020–2024]. Retrieved October 18, 2026, from https://strategystudio.org/org/320487141
MLA “KEYSTONE FOUNDATION.” Strategy Studio, tax years 2020–2024, https://strategystudio.org/org/320487141. Accessed 18 Oct. 2026.
Retrieved 2026-10-18; covers tax years 2020–2024. Data: Strategy Studio, CC BY 4.0.
2024 · Form 990PF · revenue $52K · expenses $112K · assets $175K
- EIN
- 32-0487141
- Address
- A RINGEL 1750 44TH STREET, BROOKLYN, NY 11204-0000
- NTEE code
- T20
- Subsection
- 501(c)(3)
- Ruling year
- 2016
- Cross-check
- ProPublica Nonprofit Explorer
Each tax year counts once: when a return was amended, only the latest return for that period is used below (superseded returns stay listed, greyed, under Finances).
People paid by the organization
No one listed on these returns was paid.
Unpaid officers and directors · 2 people
| Name | Latest title | Years | Organizations |
|---|---|---|---|
| Isaac Ringel | TRUSTEE | 2020-2024 | 1 |
| Zehava Ringel | TRUSTEE | 2020-2024 | 1 |
People by year
2024 · 2 people listed · none paid
| Name | Title | Hrs/wk | From org | From related | Other | Total | Orgs |
|---|---|---|---|---|---|---|---|
| ISAAC RINGEL | TRUSTEE | 1 | $0 | - | $0 | $0 | 1 |
| ZEHAVA RINGEL | TRUSTEE | 0 | $0 | - | $0 | $0 | 1 |
2023 · 2 people listed · none paid
| Name | Title | Hrs/wk | From org | From related | Other | Total | Orgs |
|---|---|---|---|---|---|---|---|
| ISAAC RINGEL | TRUSTEE | 1 | $0 | - | $0 | $0 | 1 |
| ZEHAVA RINGEL | TRUSTEE | 0 | $0 | - | $0 | $0 | 1 |
2022 · 2 people listed · none paid
| Name | Title | Hrs/wk | From org | From related | Other | Total | Orgs |
|---|---|---|---|---|---|---|---|
| ISAAC RINGEL | TRUSTEE | 1 | $0 | - | $0 | $0 | 1 |
| ZEHAVA RINGEL | TRUSTEE | 0 | $0 | - | $0 | $0 | 1 |
2021 · 2 people listed · none paid
| Name | Title | Hrs/wk | From org | From related | Other | Total | Orgs |
|---|---|---|---|---|---|---|---|
| ISAAC RINGEL | TRUSTEE | 1 | $0 | - | $0 | $0 | 1 |
| ZEHAVA RINGEL | TRUSTEE | 0 | $0 | - | $0 | $0 | 1 |
2020 · 2 people listed · none paid
| Name | Title | Hrs/wk | From org | From related | Other | Total | Orgs |
|---|---|---|---|---|---|---|---|
| ISAAC RINGEL | TRUSTEE | 1 | $0 | - | $0 | $0 | 1 |
| ZEHAVA RINGEL | TRUSTEE | 0 | $0 | - | $0 | $0 | 1 |
Highest-paid independent contractors
No independent contractors reported.
Who the money went to
Grants this organization reported paying: Schedule I Part II of the Form 990, or the grants-paid list on the 990-PF. Open a year for every recipient. Recipients link to their own page when the grant names an EIN we have (990-PF grants list no EIN, so those link only on an exact, unique name and state). Grants to individuals are counted; their names are not shown.
2024 · 10 grants to organizations · $109K
2023 · 11 grants to organizations · $123K
2022 · 12 grants to organizations · $100K
2021 · 13 grants to organizations · $70K
2020 · 11 grants to organizations · $43K
Negative amounts are returned or refunded grants; they are listed last and left out of the totals of grants paid.
Who gave
Contributors listed on Schedule B of the Form 990-PF: name, city and state as filed (street addresses are not shown), with total and noncash contributions for the year. A link to an organization's page is tagged Fuzzy with its name-similarity score (0 to 1) when it rests on name and state; Schedule B lists no EIN, so no link here is an exact identifier match.
2022 · 1 contributor · $50K
| # | Contributor | Type | City, state | Total | Noncash | Source |
|---|---|---|---|---|---|---|
| 1 | MBR IRREVOC TRUST | Organization or other | BROOKLYN, NY | $50,000 | - | Form 990PF Sch. B, 2022 · filing |
2021 · 3 contributors · $302K
| # | Contributor | Type | City, state | Total | Noncash | Source |
|---|---|---|---|---|---|---|
| 1 | GA 5-19 TRUST | Organization or other | SCRANTON, PA | $169,316 | $169,316 | Form 990PF Sch. B, 2021 · filing |
| 3 | MBR IRREVOC TRUST | Organization or other | BROOKLYN, NY | $131,348 | - | Form 990PF Sch. B, 2021 · filing |
| 2 | GA 5-19 TRUST | Organization or other | SCRANTON, PA | $1,434 | - | Form 990PF Sch. B, 2021 · filing |
2020 · 2 contributors · $82K
Contributors listed here are as reported on the filing. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.
Finances
Newest first. Each filing: its name on one row, its figures on the row beneath. Greyed filings are superseded by a later return for the same period and are left out everywhere else on this page.
| Revenue | Expenses | Assets | Net assets | Contributions | Program revenue | Officer pay | Employees | Volunteers |
|---|---|---|---|---|---|---|---|---|
| 2024 · Form 990PF | ||||||||
| $51,822 | $112,322 | $174,605 | $174,605 | - | - | $0 | - | - |
| 2023 · Form 990PF | ||||||||
| $25,630 | $126,344 | $235,105 | $235,105 | - | - | $0 | - | - |
| 2022 · Form 990PF | ||||||||
| $26,638 | $103,755 | $335,819 | $335,819 | $50,000 | - | $0 | - | - |
| 2021 · Form 990PF | ||||||||
| $358,295 | $73,006 | $412,936 | $412,936 | $302,098 | - | $0 | - | - |
| 2020 · Form 990PF | ||||||||
| $124,784 | $44,039 | $156,768 | $156,768 | $81,502 | - | $0 | - | - |
Funders of this organization
Not reported: no grants to this organization appear in the filings we have (tax years 2010 to 2025).
Similar organizations
Ranked without any AI: same NTEE code first, then the same NTEE group; then revenue within 2x, 5x or 10x; then the same state; then similar name and mission text. Same state only · More (100)
| Organization | State | NTEE | Latest revenue | Latest expenses | Top-paid title | Top pay | Why similar |
|---|---|---|---|---|---|---|---|
| SD FOUNDATION | NY | T20 | $51,137 | $61,605 | Trustee | $0 | Same NTEE code T20, revenue within 2x, same state, similar name |
| CH FOUNDATION | NY | T20 | $50,000 | $273,563 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state, similar name |
| SVM FOUNDATION | NY | T20 | $51,757 | $15,440 | TRUSTEE/ AS NEEDED | $0 | Same NTEE code T20, revenue within 2x, same state, similar name |
| 5 51 5 FOUNDATION | NY | T20 | $51,218 | $337,043 | President/Director | $0 | Same NTEE code T20, revenue within 2x, same state, similar name |
| HARD FOUNDATION | NY | T20 | $55,000 | $30,000 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state, similar name |
| GHLRF FOUNDATION | NY | T20 | $55,000 | $40,670 | TRUSTEE | $0 | Same NTEE code T20, revenue within 2x, same state, similar name |
| THE BRAD FOUNDATION | NY | T20 | $52,023 | $24,999 | President, Director | $0 | Same NTEE code T20, revenue within 2x, same state |
| KOMANSKY FOUNDATION INC | NY | T20 | $51,902 | $39,791 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state |
| TERTON SOGYAL FOUNDATION | NY | T20 | $51,427 | $29,471 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state |
| DIANE K SHAH FOUNDATION INC | NY | T20 | $53,094 | $151,504 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state |
| ALYAD FOUNDATION INC | NY | T20 | $49,489 | $249,972 | PRES/TREAS | $0 | Same NTEE code T20, revenue within 2x, same state |
| EESHA FOUNDATION INC | NY | T20 | $54,873 | $66,407 | OFFICER | $0 | Same NTEE code T20, revenue within 2x, same state |
| DISRUPTOR FOUNDATION | NY | T20 | $55,002 | $712 | PRESIDENT & TREASURER | $0 | Same NTEE code T20, revenue within 2x, same state |
| BIANCO FOUNDATION INC | NY | T20 | $53,235 | $11,346 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state |
| WONG FAMILY FOUNDATION | NY | T20 | $54,831 | $28,449 | PRES & DIRECTOR | $0 | Same NTEE code T20, revenue within 2x, same state |
| KIRKWOOD FAMILY FOUNDATION | NY | T20 | $55,179 | $82,401 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state |
| LEONORE FOUNDATION INC | NY | T20 | $54,520 | $99,324 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state |
| ASK KOTHARI FOUNDATION INC | NY | T20 | $53,179 | $56,162 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state |
| THOMAS JAFFE FOUNDATION | NY | T20 | $51,325 | $5,842 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state |
| DP FAMILY FOUNDATION INC | NY | T20 | $52,420 | $34,596 | TRUSTEE | $0 | Same NTEE code T20, revenue within 2x, same state |
| OSTGRODD FOUNDATION INC | NY | T20 | $50,633 | $51,828 | PRESIDENT/CFO | $0 | Same NTEE code T20, revenue within 2x, same state |
| JAMES STANTON FOUNDATION INC | NY | T20 | $53,892 | $141,873 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state |
| MV CHARITABLE FOUNDATION | NY | T20 | $52,500 | $51 | PRESIDENT | $0 | Same NTEE code T20, revenue within 2x, same state |
| KLEINOW FAMILY FOUNDATION INC | NY | T20 | $53,875 | $35,722 | DIRECTOR | $0 | Same NTEE code T20, revenue within 2x, same state |
| SUNRISE KLEIN FOUNDATION INC | NY | T20 | $55,006 | $35,125 | President | $0 | Same NTEE code T20, revenue within 2x, same state |
Who funds organizations like this
Grantors that funded the 100 most similar organizations. Ranked by total given to them. Foundations (990-PF) and donor-advised fund sponsors only. Same matching as Funders above (by EIN, or by name for foundations).
| Grantor | Type | Total given | Grants | Organizations funded | Years | Which ones |
|---|---|---|---|---|---|---|
| GERALD AND JANET CARRUS FOUNDATION | Private foundation | $82,500 | 1 | 1 | 2017–2017 | DISRUPTOR FOUNDATION |
| SHMERLER FOUNDATION INC | Private foundation | $5,000 | 6 | 1 | 2020–2025 | JILL E SOLOMON CHARITABLE FOUNDATION |
| ISAAC FAMILY INSTITUTE OF CHARITY | Private foundation | $250 | 1 | 1 | 2022–2022 | THE TONE FOUNDATION INC |
| AMAZONSMILE FOUNDATION | Private foundation | $202 | 5 | 2 | 2021–2023 | TERTON SOGYAL FOUNDATION; THE TONE FOUNDATION INC |
The full list · all similar organizations
Where the money went
Every expense line on each return, biggest first: Form 990 Part IX (with its program, management and fundraising columns), 990-EZ Part I, or 990-PF Part I. Event marks lines the organization itself describes as events. “Events” in each summary adds those lines, conferences and meetings, and the direct costs of fundraising events. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.
2024 · Form 990PF · $112,322 spent · pay $0 · grants $109,486 · events $0
| Line | As described | Total | Share |
|---|---|---|---|
| Contributions, gifts, grants paid | $109,486 | 97.5% | |
| Fees: other professional | $2,811 | 2.5% | |
| Taxes | $25 | 0.0% | |
| Total | $112,322 | 100% |
2023 · Form 990PF · $126,344 spent · pay $0 · grants $123,090 · events $0
| Line | As described | Total | Share |
|---|---|---|---|
| Contributions, gifts, grants paid | $123,090 | 97.4% | |
| Fees: other professional | $3,211 | 2.5% | |
| Taxes | $43 | 0.0% | |
| Total | $126,344 | 100% |
2022 · Form 990PF · $103,755 spent · pay $0 · grants $99,775 · events $0
| Line | As described | Total | Share |
|---|---|---|---|
| Contributions, gifts, grants paid | $99,775 | 96.2% | |
| Fees: other professional | $2,982 | 2.9% | |
| Taxes | $998 | 1.0% | |
| Total | $103,755 | 100% |
2021 · Form 990PF · $73,006 spent · pay $0 · grants $69,992 · events $0
| Line | As described | Total | Share |
|---|---|---|---|
| Contributions, gifts, grants paid | $69,992 | 95.9% | |
| Fees: other professional | $1,825 | 2.5% | |
| Taxes | $1,189 | 1.6% | |
| Total | $73,006 | 100% |
2020 · Form 990PF · $44,039 spent · pay $0 · grants $42,885 · events $0
| Line | As described | Total | Share |
|---|---|---|---|
| Contributions, gifts, grants paid | $42,885 | 97.4% | |
| Fees: other professional | $1,041 | 2.4% | |
| Taxes | $113 | 0.3% | |
| Total | $44,039 | 100% |