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Private foundations Diablo, CAtax years 2024 to 2025

Private foundations in Diablo, CA

4 private foundations based in Diablo, CA filed a 990-PF in the last two years. In their latest returns they gave $537,000 in 28 grants, and 0 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. Mangold Family Foundation IncDiablo, CA · tax year 2025 24 grants Preselected only $257,000 giving
  2. The Gladys W Sargent FoundationDiablo, CA · tax year 2024 1 grant Preselected only $240,000 giving
  3. Albert C & Bertha P Markstein FoundationDiablo, CA · tax year 2024 3 grants Preselected only $40,000 giving

Giving by cause

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

  1. Health1 foundation $56,00036% of the total
  2. Food and agriculture1 foundation $36,00023% of the total
  3. Human services1 foundation $34,00022% of the total
  4. International aid1 foundation $15,00010% of the total
  5. Crime and legal aid1 foundation $7,0005% of the total
  6. Education1 foundation $6,0004% of the total

Most active small givers

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

  1. Albert C & Bertha P Markstein FoundationDiablo, CA · tax year 2024 3 grants Preselected only $40,000 giving