Castaing Family Foundation

EIN 38-3443775 · AZ · NTEE T20

Invitation only Typical grant ~$3K Funds in MI, MN, CA +2
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Giving Profile

In 2025, Castaing Family Foundation based in AZ paid 8 grants totaling $53K to 8 organizations across 5 states. Individual grants ranged from $500 to $20K, with a median of $3K. Its largest recipients included Mayo Clinic, Michigan Science Center, and Detroit Symphony Orchestra. The foundation does not accept unsolicited applications — giving is by invitation only.

Foundation at a Glance

Total assets
$413,449
Giving (latest yr)
$53,000
Filing year
2025
Itemized grants
8
Median grant
$3K
Recipients
8
States reached
5
Officers/trustees
5
Unsolicited applications
No — invitation only

Where the Money Goes

Top recipients

  • Mayo Clinic$20,000
  • Michigan Science Center$20,000
  • Detroit Symphony Orchestra$5,000
  • Play Works$5,000
  • American Red Cross$1,000

Where grants went

  • Michigan$26,500 · 4 grants
  • Minnesota$20,000 · 1 grant
  • California$5,000 · 1 grant
  • Arizona$1,000 · 1 grant
  • District of Columbia$500 · 1 grant

Grants Paid (8)

Michigan Science Center
Detroit, MI
General Fund
$20,000
Mayo Clinic
Rochester, MN
General Fund
$20,000
Play Works
Oakland, CA
General Fund
$5,000
Detroit Symphony Orchestra
Detroit, MI
General Fund
$5,000
Friends of Public Radio AZ
Tempe, AZ
General Fund
$1,000
American Red Cross
Detroit, MI
General Fund
$1,000
Detroit Inst of Arts
Detroit, MI
General Fund
$500
National Park Foundations
Washington, DC
General Fund
$500

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FAQFrequently Asked Questions

No. Castaing Family Foundation does not accept unsolicited applications — its grantmaking is by invitation only. Cultivating a relationship or securing an introduction is typically required.

Castaing Family Foundation is classified as a Arts, Culture & Humanities funder. Museums, performing arts, cultural institutions, and the humanities. Its recent grants reached organizations across 5 states.

In its most recent filing, Castaing Family Foundation reported 8 itemized grants totaling $53K. Individual grants ranged from $500 to $20K (median $3K).

Recent recipients include Mayo Clinic, Michigan Science Center, Detroit Symphony Orchestra, among 8 organizations in total. The full grant list is on this page.

Castaing Family Foundation is a private foundation based in Arizona, per its IRS 990-PF filing.

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