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Private foundations Rolling Hills Estates, CAtax years 2024 to 2025

Private foundations in Rolling Hills Estates, CA

10 private foundations based in Rolling Hills Estates, CA filed a 990-PF in the last two years. In their latest returns they gave $1.2 million in 214 grants, and 1 say they accept applications.

Foundations with a return in the last two years, each by its latest return (tax years 2024 to 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Largest givers

By grants paid, latest return
  1. Kwoh & Pong FoundationRolling Hills Estates, CA · tax year 2024 6 grants Preselected only $335,000 giving
  2. The Reed L Harman & Nan M Harman FoundationRolling Hills Estates, CA · tax year 2024 32 grants Preselected only $175,876 giving
  3. Mabry Family FoundationRolling Hills Estates, CA · tax year 2024 10 grants Preselected only $173,000 giving
  4. Viento Dios Family FoundationRolling Hills Estates, CA · tax year 2024 23 grants Preselected only $130,197 giving
  5. The John B and Nelly LLanos Kilroy FoundationRolling Hills Estates, CA · tax year 2025 21 grants Preselected only $127,000 giving
  6. Matthew Six FoundationRolling Hills Estates, CA · tax year 2024 13 grants Preselected only $110,000 giving
  7. Mas Family Charitable FoundationRolling Hills Estates, CA · tax year 2025 72 grants Preselected only $100,000 giving
  8. The Siegel & Friend FoundationRolling Hills Estates, CA · tax year 2025 34 grants Accepts applications $34,134 giving
  9. The Sam & Linda Park FoundationRolling Hills Estates, CA · tax year 2024 3 grants Preselected only $15,000 giving

Foundations that accept applications

Largest first

The return gives an application contact and does not check the preselected-only box.

  1. The Siegel & Friend FoundationRolling Hills Estates, CA · tax year 2025 34 grants Accepts applications $34,134 giving

Giving by cause

Grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Human services6 foundations $299,74446% of the total
  2. Education5 foundations $187,10029% of the total
  3. Animals1 foundation $36,1006% of the total
  4. Health3 foundations $35,7005% of the total
  5. Philanthropy and grantmaking3 foundations $21,3003% of the total
  6. Youth development3 foundations $19,2153% of the total
  7. 9 other causes $51,9618% of the total

Most active small givers

Foundations with under $1 million in assets, by the number of grants they listed.

  1. The Siegel & Friend FoundationRolling Hills Estates, CA · tax year 2025 34 grants Accepts applications $34,134 giving
  2. The John B and Nelly LLanos Kilroy FoundationRolling Hills Estates, CA · tax year 2025 21 grants Preselected only $127,000 giving