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Private foundations Ross, CAtax years 2024 to 2025

Private foundations in Ross, CA

13 private foundations based in Ross, CA filed a 990-PF in the last two years. In their latest returns they gave $12 million in 111 grants, and 5 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. The Elizabeth R & William J Patterson FoundationRoss, CA · tax year 2024 26 grants Preselected only $6,726,988 giving
  2. Gruber Family FoundationRoss, CA · tax year 2025 Grants listed in an attachment (not in the e-file) Preselected only $3,648,877 giving
  3. The Callison FoundationRoss, CA · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $474,000 giving
  4. Lenore B & Frank M Heffernan Family Foundation IncRoss, CA · tax year 2024 10 grants Accepts applications $453,000 giving
  5. McBurney FoundationRoss, CA · tax year 2025 27 grants Preselected only $255,000 giving
  6. Rohde Family FoundationRoss, CA · tax year 2024 7 grants Accepts applications $198,000 giving
  7. Siebel Family Charitable FoundationRoss, CA · tax year 2025 13 grants Preselected only $87,500 giving
  8. Leathers Family FoundationRoss, CA · tax year 2025 10 grants Preselected only $52,390 giving
  9. Amini Foundation for the Study of AffectsRoss, CA · tax year 2024 3 grants Accepts applications $44,000 giving
  10. Nasaw FoundationRoss, CA · tax year 2025 13 grants Preselected only $43,404 giving
  11. The Scially Family FoundationRoss, CA · tax year 2024 1 grant Preselected only $25,000 giving
  12. 2722 Bancroft FoundationRoss, CA · tax year 2024 1 grant Accepts applications $10,370 giving

Foundations that accept applications

Largest first

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

  1. The Callison FoundationRoss, CA · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $474,000 giving
  2. Lenore B & Frank M Heffernan Family Foundation IncRoss, CA · tax year 2024 10 grants Accepts applications $453,000 giving
  3. Rohde Family FoundationRoss, CA · tax year 2024 7 grants Accepts applications $198,000 giving
  4. Amini Foundation for the Study of AffectsRoss, CA · tax year 2024 3 grants Accepts applications $44,000 giving
  5. 2722 Bancroft FoundationRoss, CA · tax year 2024 1 grant Accepts applications $10,370 giving

Giving by cause

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

  1. Environment3 foundations $1,316,10020% of the total
  2. Arts and culture5 foundations $1,049,00016% of the total
  3. Jobs and employment1 foundation $1,000,00015% of the total
  4. Education7 foundations $630,10010% of the total
  5. Food and agriculture2 foundations $630,00010% of the total
  6. Philanthropy and grantmaking3 foundations $525,0008% of the total
  7. 11 other causes $1,425,16722% of the total

Most active small givers

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

  1. Siebel Family Charitable FoundationRoss, CA · tax year 2025 13 grants Preselected only $87,500 giving
  2. Nasaw FoundationRoss, CA · tax year 2025 13 grants Preselected only $43,404 giving
  3. Lenore B & Frank M Heffernan Family Foundation IncRoss, CA · tax year 2024 10 grants Accepts applications $453,000 giving
  4. Amini Foundation for the Study of AffectsRoss, CA · tax year 2024 3 grants Accepts applications $44,000 giving
  5. The Scially Family FoundationRoss, CA · tax year 2024 1 grant Preselected only $25,000 giving
  6. 2722 Bancroft FoundationRoss, CA · tax year 2024 1 grant Accepts applications $10,370 giving