Grants paid by Mattis Family Foundation
EIN 20-3538795 · Greenwich, CT · Form 990-PF, Part XV · NTEE T20
Mattis Family Foundation of Greenwich, CT (EIN 20-3538795) reported 50 grants paid totaling $1,157,000 to 22 recipients in tax years 2020–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$1,157,000
50 grants
Recipients
22
distinct organizations
Tax years
2020–2025
5 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2020 | 10 | $242,000 | — |
| 2022 | 10 | $245,000 | — |
| 2023 | 12 | $175,000 | — |
| 2024 | 10 | $215,000 | — |
| 2025 | 8 | $280,000 | — |
Top recipients
The 22 recipients receiving the most from Mattis Family Foundation, by grants paid, out of 22 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Greenwich Country Day School 06-0646657 | C | Greenwich, CT | 5 | $340,000 | 2025 |
| Eagle Hill School | U | Greenwich, CT | 5 | $205,000 | 2025 |
| Kripalu Center for Yoga & Health 23-1718197 | B | Stockbridge, MA | 5 | $87,000 | 2025 |
| Neighbor to Neighbor 06-6071605 | B | Greenwich, CT | 5 | $80,000 | 2025 |
| Indian Mountain School 06-0646681 | B | Lakeville, CT | 2 | $75,000 | 2022 |
| Burning Man Project 45-2638273 | B | San Francisco, CA | 3 | $60,000 | 2025 |
| Greenwich Library 06-6002281 | B | Greenwich, CT | 4 | $55,000 | 2025 |
| The Peddie School 21-0634492 | B | Hightstown, NJ | 2 | $40,000 | 2023 |
| Give Directly Inc 27-1661997 | C | New York, NY | 1 | $20,000 | 2020 |
| M4bl Fund | U | New York, NY | 1 | $20,000 | 2020 |
| The Highlander Center | U | New Market, TN | 1 | $20,000 | 2020 |
| Uc Berkley Foundation | U | Berkeley, CA | 1 | $20,000 | 2022 |
| Naacp Legal Defence Fund | U | New York, NY | 1 | $20,000 | 2020 |
| Empyrean Temple | U | San Francisco, CA | 1 | $20,000 | 2022 |
| Doctors Without Border | U | New York, NY | 1 | $20,000 | 2023 |
| New York Public Radio 13-3015230 | B | New York, NY | 2 | $15,000 | 2024 |
| Greenwich Historical Society 06-6036049 | B | Cos Cob, CT | 3 | $15,000 | 2025 |
| Bruce Museum 23-7105904 | B | Greenwich, CT | 3 | $15,000 | 2025 |
| University of California Berkley 94-6090626 | C | Berkeley, CA | 1 | $10,000 | 2023 |
| Propublica 14-2007220 | C | New York, NY | 1 | $10,000 | 2024 |
| Playwrights Horizons Inc 13-2805131 | B | New York, NY | 1 | $5,000 | 2022 |
| Smart Kids With Learning Disability 06-1544545 | C | Norwalk, CT | 1 | $5,000 | 2022 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 50 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Greenwich Country Day School Greenwich, CT | C | $100,000 | paid | EDUCATION | 202631359349103348 |
| 2025 | Eagle Hill School Greenwich, CT | U | $80,000 | paid | EDUCATION | 202631359349103348 |
| 2025 | Kripalu Center for Yoga & Health Stockbridge, MA | B | $50,000 | paid | SPIRITUAL DEVELOPMENT | 202631359349103348 |
| 2025 | Burning Man Project San Francisco, CA | C | $20,000 | paid | ART, MUSIC AND INNOVATION | 202631359349103348 |
| 2025 | Neighbor to Neighbor Greenwich, CT | B | $10,000 | paid | FOOD BANK | 202631359349103348 |
| 2025 | Greenwich Library Greenwich, CT | B | $10,000 | paid | EDUCATION & COMMUNITY OUTREACH PROGRAMS | 202631359349103348 |
| 2025 | Bruce Museum Greenwich, CT | B | $5,000 | paid | EDUCATION, CULTURE, ART | 202631359349103348 |
| 2025 | Greenwich Historical Society Cos Cob, CT | B | $5,000 | paid | EDUCATION | 202631359349103348 |
| 2024 | Greenwich Country Day School Greenwich, CT | C | $100,000 | paid | EDUCATION | 202502529349100605 |
| 2024 | Eagle Hill School Greenwich, CT | U | $25,000 | paid | EDUCATION | 202502529349100605 |
| 2024 | Burning Man Project San Francisco, CA | C | $20,000 | paid | ART, MUSIC AND INNOVATION | 202502529349100605 |
| 2024 | Neighbor to Neighbor Greenwich, CT | B | $20,000 | paid | FOOD BANK | 202502529349100605 |
| 2024 | New York Public Radio New York, NY | B | $10,000 | paid | SUPPORT PUBLIC MEDIA | 202502529349100605 |
| 2024 | Greenwich Library Greenwich, CT | B | $10,000 | paid | EDUCATION & COMMUNITY OUTREACH PROGRAMS | 202502529349100605 |
| 2024 | Kripalu Center for Yoga & Health Stockbridge, MA | B | $10,000 | paid | SPIRITUAL DEVELOPMENT | 202502529349100605 |
| 2024 | Propublica New York, NY | C | $10,000 | paid | ART | 202502529349100605 |
| 2024 | Bruce Museum Greenwich, CT | B | $5,000 | paid | EDUCATION, CULTURE, ART | 202502529349100605 |
| 2024 | Greenwich Historical Society Cos Cob, CT | B | $5,000 | paid | EDUCATION | 202502529349100605 |
| 2023 | Eagle Hill School Greenwich, CT | U | $25,000 | paid | EDUCATION | 202403179349102320 |
| 2023 | Greenwich Country Day School Greenwich, CT | C | $25,000 | paid | EDUCATION | 202403179349102320 |
| 2023 | Burning Man Project San Francisco, CA | B | $20,000 | paid | ART | 202403179349102320 |
| 2023 | Neighbor to Neighbor Greenwich, CT | B | $20,000 | paid | FOOD BANK | 202403179349102320 |
| 2023 | The Peddie School Hightstown, NJ | B | $20,000 | paid | EDUCATION | 202403179349102320 |
| 2023 | Doctors Without Border New York, NY | U | $20,000 | paid | EMERGENCY MEDICAL SERVICES | 202403179349102320 |
| 2023 | University of California Berkley Berkeley, CA | C | $10,000 | paid | EDUCATION | 202403179349102320 |
| 2023 | Greenwich Library Greenwich, CT | B | $10,000 | paid | EDUCATION & COMMUNITY OUTREACH PROGRAMS | 202403179349102320 |
| 2023 | Kripalu Center for Yoga & Health Stockbridge, MA | B | $10,000 | paid | SPIRITUAL DEVELOPMENT | 202403179349102320 |
| 2023 | Bruce Museum Greenwich, CT | B | $5,000 | paid | EDUCATION, CULTURE, ART | 202403179349102320 |
| 2023 | New York Public Radio New York, NY | B | $5,000 | paid | SUPPORT PUBLIC MEDIA | 202403179349102320 |
| 2023 | Greenwich Historical Society Cos Cob, CT | B | $5,000 | paid | EDUCATION | 202403179349102320 |
| 2022 | Greenwich Country Day School Greenwich, CT | C | $70,000 | paid | EDUCATION | 202301359349105200 |
| 2022 | Eagle Hill School Greenwich, CT | U | $50,000 | paid | EDUCATION | 202301359349105200 |
| 2022 | Indian Mountain School Lakeville, CT | B | $35,000 | paid | EDUCATION | 202301359349105200 |
| 2022 | Uc Berkley Foundation Berkeley, CA | U | $20,000 | paid | EDUCATION | 202301359349105200 |
| 2022 | Empyrean Temple San Francisco, CA | U | $20,000 | paid | ART & CULTURE | 202301359349105200 |
| 2022 | The Peddie School Hightstown, NJ | B | $20,000 | paid | EDUCATION | 202301359349105200 |
| 2022 | Neighbor to Neighbor Greenwich, CT | B | $10,000 | paid | FOOD BANK | 202301359349105200 |
| 2022 | Kripalu Center for Youth Stockbridge, MA | D | $10,000 | paid | SPIRITUAL DEVELOPMENT | 202301359349105200 |
| 2022 | Smart Kids With Learning Disability Norwalk, CT | C | $5,000 | paid | EDUCATION FOR SPECIAL NEEDS | 202301359349105200 |
| 2022 | Playwrights Horizons Inc New York, NY | B | $5,000 | paid | THEATRE | 202301359349105200 |
| 2020 | Greenwich Country Day School Greenwich, CT | C | $45,000 | paid | CHARITABLE CONTRIBUTION | 202111059349100306 |
| 2020 | Indian Mountain School Lakeville, CT | B | $40,000 | paid | CHARITABLE CONTRIBUTION | 202111059349100306 |
| 2020 | Greenwich Library Greenwich, CT | B | $25,000 | paid | CHARITABLE CONTRIBUTION | 202111059349100306 |
| 2020 | Eagle Hill School Greenwich, CT | U | $25,000 | paid | CHARITABLE CONTRIBUTION | 202111059349100306 |
| 2020 | Neighbor to Neighbor Greenwich, CT | B | $20,000 | paid | CHARITABLE CONTRIBUTION | 202111059349100306 |
| 2020 | Naacp Legal Defence Fund New York, NY | U | $20,000 | paid | CHARITABLE CONTRIBUTION | 202111059349100306 |
| 2020 | M4bl Fund New York, NY | U | $20,000 | paid | CHARITABLE CONTRIBUTION | 202111059349100306 |
| 2020 | Give Directly Inc New York, NY | C | $20,000 | paid | CHARITABLE CONTRIBUTION | 202111059349100306 |
| 2020 | The Highlander Center New Market, TN | U | $20,000 | paid | CHARITABLE CONTRIBUTION | 202111059349100306 |
| 2020 | Kripalu Center for Youth Stockbridge, MA | D | $7,000 | paid | CHARITABLE CONTRIBUTION | 202111059349100306 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-12-31 | not stated | 2025v4.1 | 202631359349103348 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202502529349100605 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202403179349102320 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202301359349105200 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.0 | 202111059349100306 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/203538795.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.