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Foundation Lookup

Form 990-PFTax year 2024EIN 13-6088860

The Overbrook Foundation

A private foundation in New York, NY. Its return for tax year 2024 lists 160 grants and $8.3 million paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2024 (period ending Dec 31, 2024), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2024

    $8,273,495

    Grants listed
    160
    Assets, end of year
    $217,509,522

  • Tax year 2023

    $7,226,643

    Grants listed
    125
    Assets, end of year
    $201,495,759

  • Tax year 2022

    $8,985,565

    Grants listed
    144
    Assets, end of year
    $181,857,459

  • Tax year 2021

    $7,737,577

    Grants listed
    168
    Assets, end of year
    $220,249,315

  • Tax year 2020

    $8,713,076

    Grants listed
    199
    Assets, end of year
    $192,018,982

  • Tax year 2019

    $7,533,209

    Grants listed
    238
    Assets, end of year
    $170,340,103

  • Tax year 2018

    $7,743,466

    Grants listed
    232
    Assets, end of year
    $147,880,418

Grants paid in 2024

160 grants, largest first

As listed on the return.

  1. Community Funds IncNew York City, NY

    Funding of Donor Advised Funds

    $1,669,590
  2. Environment America Research and Policy Center IncDenver, CO

    Cleaner, Quieter Lawn Care: Moving America away from gas-powered lawn equipment

    $200,000
  3. Mongabay Org CorpMenlo Park, CA

    General Operating Support

    $150,000
  4. NEO PhilanthropyNew York, NY

    State Infrastructure Fund

    $150,000
  5. The Lawyering ProjectBrooklyn, NY

    General Operating Support

    $100,515
  6. Billion Oyster ProjectNew York, NY

    General Operating Support

    $100,000
  7. Brennan Center for JusticeNew York, NY

    Democracy Support for Ballot Access, Fair Districting, and Election Security

    $100,000
  8. Free Election Fund a project of Hopewell FundWashington, DC

    General Operating Support

    $100,000
  9. GreenWave Organization CorpNew Haven, CT

    General Operating Support

    $100,000
  10. Lawyers' Committee for Civil Rights Under LawWashington, DC

    Voting Rights Project

    $100,000
  11. Perpetual Use IncTampa, FL

    General Operating Support

    $100,000
  12. Plastic Solutions FundNew York, NY

    General Operating Support

    $100,000
  13. The Heartland FundWashington, DC

    Civic Engagement and Democracy

    $100,000
  14. Voting Rights LabWashington, DC

    General Operating Support

    $100,000
  15. Wildlife Conservation Society (WCS)Bronx, NY

    Protecting Mesoamericas Forests and People through Community-based Conservation

    $100,000
  16. Natural Resources Defense CouncilNew York, NY

    Fighting the Fossil Fuel Industrys Expansion of Plastics Production

    $80,000
  17. Abortion Care NetworkWashington, DC

    Keep Our Clinics Campaign

    $75,000
  18. Alabama ForwardMontgomery, AL

    General Operating Support

    $75,000
  19. Amazon Conservation AssociationWashington, DC

    Maap

    $75,000
  20. As You Sow FoundationBerkeley, CA

    Shareholder Action on Ocean Plastics and Consumer Packaging

    $75,000
  21. Bold Futures NMAlbuquerque, NM

    General Operating Support

    $75,000
  22. CHOICES Center for Reproductive HealthMemphis, TN

    General Operating Support

    $75,000
  23. ColorDenver, CO

    General Operating Support

    $75,000
  24. Florida Rising Together IncMiami, FL

    Florida Rising Together

    $75,000
  25. IfWhenHowOakland, CA

    General Operating Support

    $75,000
  26. Just The PillSaint Paul, MN

    General Operating Support

    $75,000
  27. Michigan VoicesDetroit, MI

    General Operating Support

    $75,000
  28. National Asian Pacific American Women's Forum (NAPAWF)Chicago, IL

    General Operating Support

    $75,000
  29. National Redistricting FoundationWashington, DC

    General Operating Support

    $75,000
  30. New Georgia Project IncAtlanta, GA

    General Operating Support

    $75,000
  31. Pregnancy JusticeNew York, NY

    General Operating Support

    $75,000
  32. Proteus Fund IncWaltham, MA

    Piper Fund

    $75,000
  33. Reproductive Freedom AllianceAlexandria, VA

    General Operating Support

    $75,000
  34. Texas Civil Rights ProjectAustin, TX

    Protecting and Expanding Voting Rights in Texas in 2024

    $75,000
  35. UproseBrooklyn, NY

    General Operating Support

    $75,000
  36. Vot-ER A Healthier DemocracyBoston, MA

    General Operating Support

    $75,000
  37. Voter Formation ProjectWashington, DC

    General Operating Support

    $75,000
  38. Voto Latino Foundation IncWashington, DC

    General Operating Support

    $75,000
  39. We are Down HomeGreensboro, NC

    General Operating Support

    $75,000
  40. Environmental Investigation AgencyWashington, DC

    General Support

    $70,000
  41. Rainforest AllianceNew York, NY

    Maya Biosphere Reserve

    $70,000
  42. Center for Biological DiversityTucson, AZ

    Combatting Upstream Plastics / Defending Forests

    $60,000
  43. Coming Clean IncBrattleboro, VT

    Dollar Store Campaign

    $60,000
  44. Coral Reef AllianceSan Francisco, CA

    Scaling Solutions for Saving Coral in the Mesoamerican Reef through Effective Marine Protected Area (MPA) Management

    $60,000
  45. Food TankBaltimore, MD

    General Operating Support

    $60,000
  46. Galveston Reuse Governance BoardGalveston, TX

    General Operating Support

    $60,000
  47. OceanaWashington, DC

    Belize Oil and Gas Constitutional Reform Campaign

    $60,000
  48. Philanthropic Ventures FoundationOakland, CA

    Toledo Institute of Development and Environment

    $60,000
  49. ReWildAustin, TX

    Fundacion Por el Mar (PEM)

    $60,000
  50. The Humane LeagueRockville, MD

    US Corporate Campaigns Program Funding

    $60,000
  51. Avina Americas IncWashington, DC

    MapBiomas

    $50,000
  52. Chicago Abortion FundChicago, IL

    General Operating Support

    $50,000
  53. Fund for Global Human RightsWashington, DC

    Holistic Security and Protection for Activists in Mesoamerica

    $50,000
  54. Global Alliance for Incinerator Alternatives - GAIABerkeley, CA

    General Operating Support

    $50,000
  55. Grist Magazine IncSeattle, WA

    General Operating Support

    $50,000
  56. Jocotoco Conservation FoundationGlenview, IL

    Using Technology to Prevent Deforestation in Ecuador

    $50,000
  57. LegacyWorks GroupSanta Barbara, CA

    Marine Protection in Cabo del Este, B.C.S.

    $50,000
  58. Louisiana Bucket BrigadeNew Orleans, LA

    Opposing the Petrochemical Expansion in Louisiana

    $50,000
  59. Marine Conservation InstituteGlen Ellen, CA

    Deep Sea Conservation Coalition

    $50,000
  60. Mercy For AnimalsLos Angeles, CA

    General Operating Support

    $50,000
  61. Mesoamerican Initiative of WHRDs (IM-Defensoras)Toronto, Canada

    Strengthening Networks of Mesoamerican Women Human Rights Defenders

    $50,000
  62. New Mexico Religious Coalition for Reproductive ChoiceAlbuquerque, NM

    General Operating Support

    $50,000
  63. Osa ConservationWashington, DC

    Community-Driven Restoration in Costa Ricas Largest Mangrove Forest

    $50,000
  64. Perry Institute for Marine ScienceWaitsfield, VT

    Confronting the coral crisis in The Bahamas

    $50,000
  65. Plan CWashington, DC

    General Operating Support

    $50,000
  66. Project DrawdownSaint Paul, MN

    General Operating Support

    $50,000
  67. Rainforest Action NetworkSan Francisco, CA

    General Operating Support

    $50,000
  68. Rural Arizona Engagement (RAZE)Coolidge, AZ

    General Operating Support

    $50,000
  69. StandSan Francisco, CA

    Mission-Based Support

    $50,000
  70. Texas Freedom Network Education FundAustin, TX

    Texas Rising: Building Our Power

    $50,000
  71. The All We Can Save ProjectSan Francisco, CA

    Publicizing, "What If We Get It Right?"

    $50,000
  72. The Bay FoundationPlaya del Rey, CA

    Palos Verdes Kelp Restoration Project

    $50,000
  73. The Story of Stuff ProjectBerkeley, CA

    General Operating Support

    $50,000
  74. Trusted Elections FundWashington, DC

    General Operating Support

    $50,000
  75. UrgeWashington, DC

    Voter Engagement Program

    $50,000
  76. Urgent Action Fund of Latin America for Women's Human RightsBogota, Colombia

    Sustaining and strengthening feminist, women's and LGBTIQ+ movements in Latin America

    $50,000
  77. WildcoastDel Mar, CA

    Natural Climate Solutions and Rewilding Coastal and Ocean Landscapes in Oaxaca, Mexico

    $50,000
  78. Wildlife Conservation NetworkSan Francisco, CA

    Fundacin Proyecto Tit

    $50,000
  79. WingsPueblo, CO

    General Operating Support

    $50,000
  80. Ya'axch Conservation TrustPunta Gorda Town, Belize

    Bladen Nature Reserve and Maya Mountain North Forest Reserve, Belize

    $50,000
  81. Air Alliance HoustonHouston, TX

    Improving Air Permits for Fenceline Neighborhoods in Houston, TX

    $45,000
  82. Asociacion de Comunidades Forestales de Peten - ACOFOPSanta Elena, Guatemala

    Mayan Biosphere Reserve in Guatemala.

    $40,000
  83. EarthworksWashington, DC

    General Operating Support

    $40,000
  84. Ironbound Community CorporationNewark, NJ

    Environmental Justice for Ironbound Project

    $40,000
  85. SECORE International IncMiami, FL

    General Operating Support

    $40,000
  86. Amazon Conservation TeamFalls Church, VA

    Safeguarding Forests of Isolated Tribes and Restoring Ecosystems

    $35,000
  87. MarAllianceSan Francisco, CA

    General Operating Support

    $35,000
  88. International Community FoundationNational City, CA

    Grupo Ecologico Sierra Gorda, I.A.P

    $31,800
  89. American Friends of The Ocean Cleanup FoundationNew York, NY

    Ocean Program - Great Pacific Garbage Patch

    $30,000
  90. American Friends of The Ocean Cleanup FoundationNew York, NY

    The Great Mangrove Cleanup: Kingston Harbor, Jamaica

    $30,000
  91. Amigos of Costa Rica IncWest Chester, PA

    Raising Coral Costa Rica

    $30,000
  92. Roatan Marine Park International IncDover, DE

    Strengthening Coral Reef Conservation Efforts in the Bay Islands of Honduras

    $30,000
  93. Texas Environmental Justice Advocacy ServicesHouston, TX

    General Operating Support

    $30,000
  94. The 5 Gyres InstituteSanta Monica, CA

    General Operating Support

    $30,000
  95. Billion Oyster ProjectNew York, NY

    Small Grants Program

    $25,000
  96. Hopewell FundWashington, DC

    Resources for Abortion Delivery

    $25,000
  97. The Accountability Board IncWakefield, MA

    Accountability Board Shareholder Work

    $25,000
  98. St Stephen's School CorporationNew York, NY

    Capital Campaign

    $23,071
  99. Fundacion MarvivaSan Francisco, CA

    High Seas Conservation and Management in the Thermal Dome

    $21,000
  100. WildAid IncSan Francisco, CA

    WildAid Marine Program

    $21,000
  101. Animal OutlookTakoma Park, MD

    General Operating Support

    $20,000
  102. Compassion in World Farming IncNew York, NY

    Compassion in World Farming US General Operations

    $20,000
  103. Fauna & Flora International USA IncWilmington, DE

    Fauna & Flora's Marine Program

    $20,000
  104. Friends Seminary of New YorkNew York, NY

    The Annual Fund

    $20,000
  105. Murmuration Research Institute IncNew York, NY

    General Operating Support and the GenZ Research Project

    $20,000
  106. Wildlife Conservation NetworkSan Francisco, CA

    Elephant Crisis Fund

    $20,000
  107. The Tides FoundationSan Francisco, CA

    Walk the Walk USA

    $15,062
  108. Greenpeace Fund IncWashington, DC

    Oceans Campaign General Support

    $15,000
  109. Missouri Rural Crisis CenterColumbia, MO

    Factory Farm & State Policy Program

    $15,000
  110. SeacologyBerkeley, CA

    Play for the Mangroves

    $15,000
  111. The Tides FoundationSan Francisco, CA

    Movement Voter Fund

    $15,000
  112. Wildlife Conservation Society (WCS)Bronx, NY

    Health Initiatives in Paso Caballo, Guatemala

    $15,000
  113. Philanthropy New YorkNew York, NY

    Annual Membership

    $14,350
  114. Boca West Childrens FoundationBoca Raton, FL

    General Operating Support

    $12,500
  115. Black Farmer FundNew York, NY

    General Operating Support

    $10,000
  116. Delta InstituteChicago, IL

    General Operating Support

    $10,000
  117. Solomon R Guggenheim MuseumNew York, NY

    General Operating Support

    $10,000
  118. The Food ProjectLincoln, MA

    General Operating Support

    $10,000
  119. Trevor Day SchoolNew York, NY

    General Operating Support

    $10,000
  120. New York Studio SchoolNew York, NY

    General Operating Support

    $8,956
  121. American Ballet TheatreNew York, NY

    General Operating Support

    $7,500
  122. Barenboim-Said FoundationNew York, NY

    General Operating Support

    $7,500
  123. Tate Americas FoundationNew York, NY

    General Operating Support

    $7,500
  124. Angels Helping Animals Worldwide IncOak Bluffs, MA

    General Operating Support

    $5,000
  125. Chelsea Day SchoolNew York, NY

    General Operating Support

    $5,000
  126. Farnsworth Art MuseumRockland, ME

    For Purchase of Artwork

    $5,000
  127. Harvard Business SchoolBoston, MA

    General Operating Support

    $5,000
  128. Mianus River Gorge Preserve IncBedford, NY

    General Operating Support

    $5,000
  129. NEO PhilanthropyNew York, NY

    Funders Committee for Civic Participation

    $5,000
  130. Temple IsraelWestport, CT

    General Operating Support

    $5,000
  131. Voter Formation ProjectWashington, DC

    General Operating Support

    $4,000
  132. One East 60th Street Historical FoundationNew York, NY

    General Operating Support

    $3,100
  133. Big ReuseBrooklyn, NY

    Give Big for the Planet

    $2,500
  134. The Jewish MuseumNew York, NY

    General Operating Support

    $2,500
  135. University of WisconsinMadison, WI

    Vice Chancellor for Student Affairs Annual Fund

    $2,500
  136. St Stephen's School CorporationNew York, NY

    General Operating Support

    $2,481
  137. Manhattan Theatre ClubNew York, NY

    General Operating Support

    $2,142
  138. Brick Presbyterian ChurchNew York, NY

    General Operating Support

    $2,000
  139. The Center for Family Justice IncBridgeport, CT

    27th Annual Speaking of Women

    $1,900
  140. Metropolitan Opera AssociationNew York, NY

    General Operating Support

    $1,294
  141. A Better BalanceNew York, NY

    General Operating Support

    $1,285
  142. Amazon Conservation TeamFalls Church, VA

    To Protect Tropical Forests and Strengthen Traditional Culture

    $1,055
  143. American Foundation for Suicide PreventionNew York, NY

    General Operating Support

    $1,000
  144. Asia SocietyNew York, NY

    General Operating Support

    $1,000
  145. Council on Foreign RelationsNew York, NY

    General Operating Support

    $1,000
  146. Roundabout Theater CompanyNew York, NY

    General Operating Support

    $1,000
  147. The Helicon Foundation IncCortlandt MNR, NY

    General Operating Support

    $1,000
  148. Entertainment Community FundNew York, NY

    General Operating Support

    $750
  149. GirlTrekMontgomery, AL

    General Operating Support

    $516
  150. West Alabama Womens CenterTuscaloosa, AL

    General Operating Support

    $516
  151. The Mayapple SchoolBlacksburg, VA

    General Operating Support

    $512
  152. Boca West Childrens FoundationBoca Raton, FL

    Diaper Drive

    $500
  153. Fairwinds Nantuckets Counseling CenterNantucket, MA

    Dragonfly 2024

    $500
  154. Immigrant Justice CorpsNew York, NY

    General Operating Support

    $500
  155. Lincoln Center TheaterNew York, NY

    General Operating Support

    $500
  156. Neighbors LinkMount Kisco, NY

    General Operating Support

    $500
  157. RiverArtsHastingsonHudson, NY

    General Operating Support

    $500
  158. St Bernard's SchoolNew York, NY

    Annual Giving

    $500
  159. The Optimates SocietyNew Haven, CT

    General Operating Society

    $500
  160. Tidewell FoundationLakewood Ranch, FL

    General Operating Support

    $100

Approved for future payment

19 grants

Approved in 2024 and not yet paid.

  1. Brennan Center for JusticeNew York, NY

    Democracy Support for Ballot Access, Fair Districting, and Election Security

    $100,000
  2. Lawyers' Committee for Civil Rights Under LawWashington, DC

    Voting Rights Project

    $100,000
  3. The Lawyering ProjectBrooklyn, NY

    General Operating Support

    $100,000
  4. Wildlife Conservation Society (WCS)Bronx, NY

    Protecting Mesoamericas Forests and People through Community-based Conservation

    $100,000
  5. Alabama ForwardMontgomery, AL

    General Operating Support

    $75,000
  6. Amazon Conservation AssociationWashington, DC

    Maap

    $75,000
  7. Bold Futures NMAlbuquerque, NM

    General Operating Support

    $75,000
  8. Environmental Investigation AgencyWashington, DC

    General Support

    $70,000
  9. Rainforest AllianceNew York, NY

    Maya Biosphere Reserve

    $70,000
  10. Center for Biological DiversityTucson, AZ

    Combatting Upstream Plastics / Defending Forests

    $60,000
  11. Coming Clean IncBrattleboro, VT

    Dollar Store Campaign

    $60,000
  12. New Mexico Religious Coalition for Reproductive ChoiceAlbuquerque, NM

    General Operating Support

    $50,000
  13. Osa ConservationWashington, DC

    Community-Driven Restoration in Costa Ricas Largest Mangrove Forest

    $50,000
  14. Perry Institute for Marine ScienceWaitsfield, VT

    Confronting the coral crisis in The Bahamas

    $50,000
  15. The Story of Stuff ProjectBerkeley, CA

    General Operating Support

    $50,000
  16. Wildlife Conservation NetworkSan Francisco, CA

    Fundacin Proyecto Tit

    $50,000
  17. EarthworksWashington, DC

    General Operating Support

    $40,000
  18. SECORE International IncMiami, FL

    General Operating Support

    $40,000
  19. Amazon Conservation TeamFalls Church, VA

    Safeguarding Forests of Isolated Tribes and Restoring Ecosystems

    $35,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Environment20 grants $1,257,50030% of the total
  2. Civil rights12 grants $829,51520% of the total
  3. Education13 grants $541,52813% of the total
  4. Animals8 grants $341,0008% of the total
  5. Philanthropy and grantmaking6 grants $246,8626% of the total
  6. Public affairs5 grants $240,0006% of the total
  7. 12 other causes36 grants $715,04217% of the total

By State

Grants to organizations with a US address, latest year.

  1. New York49 grants $2,919,534
  2. District of Columbia22 grants $1,284,516
  3. California23 grants $1,088,862
  4. Texas7 grants $355,000
  5. Colorado3 grants $325,000
  6. Florida6 grants $228,100
  7. Maryland4 grants $195,000
  8. Illinois4 grants $185,000
  9. New Mexico2 grants $125,000
  10. Massachusetts6 grants $120,500

Officers, directors and trustees

19 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Arthur Altschul JrV-CHAIR/TREASURER Hours 1Pay $0
  • Charles AltschulDIRECTOR (THRU FEB 2024) Hours 1Pay $0
  • Emily Altschul-MillerDIRECTOR Hours 1Pay $0
  • Stephen AltschulDIRECTOR Hours 1Pay $0
  • Alla BrocksmitDIRECTOR (BEG FEB 2024) Hours 1Pay $0
  • Carolyn ColeDIRECTOR Hours 5Pay $0
  • Joyce FensterstockCHAIR Hours 10Pay $0
  • James GrahamDIRECTOR (BEG FEB 2024) Hours 1Pay $0
  • Julie GrahamV-CHAIR/SECRETARY Hours 1Pay $0
  • Kathyrn C GrahamDIRECTOR Hours 1Pay $0
  • Robert Graham JrDIRECTOR EMERITUS Hours 1Pay $0
  • Michael GrunwaldDIRECTOR Hours 1Pay $0
  • Olivia KooymanDIRECTOR Hours 1Pay $0
  • Robert LabareeDIRECTOR Hours 1Pay $0
  • Helen LangDIRECTOR Hours 1Pay $0
  • Elizabeth LindemannDIRECTOR Hours 1Pay $0
  • Isaiah OrozcoDIRECTOR Hours 1Pay $0
  • Eric WeingartnerPRESIDENT & CEO Hours 40Pay $526,500
  • Noah LeffCFAO Hours 40Pay $373,625

The return

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