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Nonprofits in CALVERTON, NY

19 tax-exempt organizations with a return on IRS file.

Largest nonprofits in CALVERTON by revenue

Top 5s in CALVERTON

Most raised in gifts and grants

Contributions, gifts and grants received in the year

  1. 1Ada Howe Kent Memorial Shelter Inc990, year ended Dec 2024$1.4M
  2. 2Riverhead Charter School990, year ended Jun 2025$287.3K
  3. 3League of Yes Inc990, year ended Dec 2025$177.9K
  4. 4New York Farm Bureau990, year ended Sep 2024$110.3K
  5. 5Riverhead Building Supply Charitable Foundation Inc990-PF, year ended Dec 2025$5K

Largest reserves

Net assets (fund balance) at year end

  1. 1Riverhead Charter School990, year ended Jun 2025$20.4M
  2. 2Ada Howe Kent Memorial Shelter Inc990, year ended Dec 2024$7.7M
  3. 3Riverhead Building Supply Charitable Foundation Inc990-PF, year ended Dec 2025$926K
  4. 4New York Farm Bureau990, year ended Sep 2024$617.6K
  5. 5Detective Brian Smiles Simonsen Memorial Foundation Inc990-EZ, year ended Dec 2025$414.1K

Highest-paid people

Compensation from the organization and related organizations, including other pay

  1. 1Raymond AnkrumSuperintendent · Riverhead Charter School$234.1K
  2. 2Nicola GrahamCOO & CFO · Riverhead Charter School$178.3K
  3. 3Pamela GreenExecutive Dir. · Ada Howe Kent Memorial Shelter Inc$149.9K
  4. 4Patrick T McKinneyHigh School Principal · Riverhead Charter School$124K
  5. 5Kristine FitzpatrickExecutive Dir. · League of Yes Inc$70K

All nonprofits in CALVERTON, A–Z