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Private foundations Mason, OHtax years 2024 to 2025

Private foundations in Mason, OH

18 private foundations based in Mason, OH filed a 990-PF in the last two years. In their latest returns they gave $4.6 million in 112 grants, and 4 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 Elmer and Eunice Warnken Foundation IncMason, OH · tax year 2025 1 grant Preselected only $2,409,260 giving
  2. Arington Family Office FoundationMason, OH · tax year 2024 21 grants Preselected only $656,944 giving
  3. The Rockwern Charitable FoundationMason, OH · tax year 2024 9 grants Accepts applications $605,025 giving
  4. E Thomas Arington Family FoundationMason, OH · tax year 2024 10 grants Preselected only $528,401 giving
  5. Gary and Robin Anderson Family Foundation IncMason, OH · tax year 2025 24 grants Preselected only $133,587 giving
  6. The Matson Family FoundationMason, OH · tax year 2024 6 grants Preselected only $116,000 giving
  7. Heritage Youth-for-All-Nations FoundationMason, OH · tax year 2025 13 grants Preselected only $86,400 giving
  8. The Makino Foundation (fka the Leblond Foundation of Makino)Mason, OH · tax year 2024 10 grants Accepts applications $30,500 giving
  9. Ward Family FoundationMason, OH · tax year 2025 13 grants Preselected only $23,250 giving
  10. Goyal FoundationMason, OH · tax year 2025 2 grants Preselected only $11,903 giving
  11. William J Best FoundationMason, OH · tax year 2025 3 grants Preselected only $1,050 giving

Foundations that accept applications

Largest first

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

  1. The Rockwern Charitable FoundationMason, OH · tax year 2024 9 grants Accepts applications $605,025 giving
  2. The Makino Foundation (fka the Leblond Foundation of Makino)Mason, OH · tax year 2024 10 grants Accepts applications $30,500 giving
  3. MLFH Foundation IncMason, OH · tax year 2025 0 grants Accepts applications $0 giving
  4. Mason Softball BoostersMason, OH · tax year 2025 0 grants Accepts applications $0 giving

Giving by cause

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

  1. Religion4 foundations $286,40037% of the total
  2. Philanthropy and grantmaking2 foundations $200,00026% of the total
  3. Education4 foundations $167,90222% of the total
  4. International aid2 foundations $40,4015% of the total
  5. Arts and culture2 foundations $36,0005% of the total
  6. Health4 foundations $19,0002% of the total
  7. 6 other causes $24,5943% of the total

Most active small givers

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

  1. Arington Family Office FoundationMason, OH · tax year 2024 21 grants Preselected only $656,944 giving
  2. Heritage Youth-for-All-Nations FoundationMason, OH · tax year 2025 13 grants Preselected only $86,400 giving
  3. E Thomas Arington Family FoundationMason, OH · tax year 2024 10 grants Preselected only $528,401 giving
  4. The Matson Family FoundationMason, OH · tax year 2024 6 grants Preselected only $116,000 giving
  5. William J Best FoundationMason, OH · tax year 2025 3 grants Preselected only $1,050 giving
  6. Goyal FoundationMason, OH · tax year 2025 2 grants Preselected only $11,903 giving
  7. The Elmer and Eunice Warnken Foundation IncMason, OH · tax year 2025 1 grant Preselected only $2,409,260 giving