Sondheimer Foundation

EIN 26-3060699 · CA · NTEE T20

Invitation only Typical grant ~$10K Funds in CA, NY, CT +3
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Giving Profile

In 2025, Sondheimer Foundation based in CA paid 25 grants totaling $720.8K to 25 organizations across 6 states. Individual grants ranged from $1K to $100K, with a median of $10K. Its largest recipients included AMERICARES, INTERNATIONAL RESCUE COMMITTEE, and ACLU FOUNDATION. The foundation does not accept unsolicited applications — giving is by invitation only.

Foundation at a Glance

Total assets
$1,101,201
Giving (latest yr)
$720,825
Filing year
2025
Itemized grants
25
Median grant
$10K
Recipients
25
States reached
6
Officers/trustees
2
Unsolicited applications
No — invitation only

Where the Money Goes

Top recipients

  • Americares$100,000
  • International Rescue Committee$100,000
  • Aclu Foundation$75,000
  • Planned Parenthood Los Angeles$75,000
  • World Central Kitchen$75,000

Where grants went

  • California$283,800 · 16 grants
  • New York$260,000 · 5 grants
  • Connecticut$100,000 · 1 grant
  • District of Columbia$75,000 · 1 grant
  • Ohio$1,025 · 1 grant
  • Minnesota$1,000 · 1 grant

Grants Paid (25)

Americares
Stamford, CT
Charitable
$100,000
International Rescue Committee
New York, NY
Charitable
$100,000
Planned Parenthood Los Angeles
Los Angeles, CA
Charitable
$75,000
World Central Kitchen
Washington, DC
Charitable
$75,000
Aclu Foundation
New York, NY
Charitable
$75,000
Los Angeles Food Bank
Los Angeles, CA
Charitable
$50,000
Center for Reproductive Rights
New York, NY
Charitable
$50,000
Cedars-sinai
Los Angeles, CA
Medical
$35,000
Center Theatre Group
Los Angeles, CA
Charitable
$30,000
Nrdc
New York, NY
Charitable
$30,000
Los Angeles Philharmonic
Los Angeles, CA
Charitable
$15,000
Pbs Socal
Costa Mesa, CA
Charitable
$10,000

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FAQFrequently Asked Questions

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

In its most recent filing, Sondheimer Foundation reported 25 itemized grants totaling $720.8K. Individual grants ranged from $1K to $100K (median $10K).

Recent recipients include AMERICARES, INTERNATIONAL RESCUE COMMITTEE, ACLU FOUNDATION, among 25 organizations in total. The full grant list is on this page.

Sondheimer Foundation is a private foundation based in California, per its IRS 990-PF filing.

Sondheimer Foundation gives by invitation only, so there is no open application. Officer and address details from its 990-PF are the best starting point for an introduction.

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