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Private foundations Oro Valley, AZtax years 2024 to 2025

Private foundations in Oro Valley, AZ

14 private foundations based in Oro Valley, AZ filed a 990-PF in the last two years. In their latest returns they gave $4.7 million in 101 grants, and 3 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 Eliot Spalding FoundationOro Valley, AZ · tax year 2025 11 grants Accepts applications $3,011,161 giving
  2. The Pfeifer Family FoundationOro Valley, AZ · tax year 2024 7 grants Preselected only $813,607 giving
  3. The Jim and Gaynell Magers Family FoundationOro Valley, AZ · tax year 2025 8 grants Preselected only $325,025 giving
  4. The Robert & Marie Hansen FoundationOro Valley, AZ · tax year 2025 2 grants Accepts applications $173,950 giving
  5. Witthoft Apprill Family FoundationOro Valley, AZ · tax year 2025 24 grants Preselected only $162,500 giving
  6. Charles Wentz Carter Memorial FoundationOro Valley, AZ · tax year 2025 14 grants Accepts applications $70,000 giving
  7. Zanner FoundationOro Valley, AZ · tax year 2025 12 grants Preselected only $62,796 giving
  8. Lowman Lyon FoundationOro Valley, AZ · tax year 2025 6 grants Preselected only $27,000 giving
  9. The Colmar FoundationOro Valley, AZ · tax year 2024 1 grant Preselected only $10,000 giving
  10. The Colmar Family Foundation - SouthwestOro Valley, AZ · tax year 2025 5 grants Preselected only $7,492 giving
  11. JLL FoundationOro Valley, AZ · tax year 2025 10 grants Preselected only $5,674 giving
  12. Hopkins Legacy Family FoundationOro Valley, AZ · tax year 2024 1 grant Preselected only $2,500 giving

Foundations that accept applications

Largest first

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

  1. The Eliot Spalding FoundationOro Valley, AZ · tax year 2025 11 grants Accepts applications $3,011,161 giving
  2. The Robert & Marie Hansen FoundationOro Valley, AZ · tax year 2025 2 grants Accepts applications $173,950 giving
  3. Charles Wentz Carter Memorial FoundationOro Valley, AZ · tax year 2025 14 grants Accepts applications $70,000 giving

Giving by cause

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

  1. Philanthropy and grantmaking4 foundations $3,807,26891% of the total
  2. Human services4 foundations $89,5002% of the total
  3. Food and agriculture2 foundations $60,0001% of the total
  4. Environment2 foundations $53,0001% of the total
  5. Housing and shelter1 foundation $50,0001% of the total
  6. Animals3 foundations $49,2001% of the total
  7. 7 other causes $90,6002% of the total

Most active small givers

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

  1. Charles Wentz Carter Memorial FoundationOro Valley, AZ · tax year 2025 14 grants Accepts applications $70,000 giving
  2. Zanner FoundationOro Valley, AZ · tax year 2025 12 grants Preselected only $62,796 giving
  3. The Eliot Spalding FoundationOro Valley, AZ · tax year 2025 11 grants Accepts applications $3,011,161 giving
  4. JLL FoundationOro Valley, AZ · tax year 2025 10 grants Preselected only $5,674 giving
  5. The Pfeifer Family FoundationOro Valley, AZ · tax year 2024 7 grants Preselected only $813,607 giving
  6. Lowman Lyon FoundationOro Valley, AZ · tax year 2025 6 grants Preselected only $27,000 giving
  7. The Colmar Family Foundation - SouthwestOro Valley, AZ · tax year 2025 5 grants Preselected only $7,492 giving
  8. The Colmar FoundationOro Valley, AZ · tax year 2024 1 grant Preselected only $10,000 giving
  9. Hopkins Legacy Family FoundationOro Valley, AZ · tax year 2024 1 grant Preselected only $2,500 giving