THE SONDHEIMER FOUNDATION
Data sourced from IRS 990-PF public filings
Supports health and humanitarian programs, including disaster relief and reproductive rights, with a geographic focus on the United States.
THE SONDHEIMER FOUNDATION has 109 grants on file funding 31 organizations. Giving increased from $600,070 in 2024 to $720,825 in 2025. Reported assets: $1,101,201.
Total Assets
$1,101,201
Grants (Last Year)
$720,825
Total Grants on File
109
Recipients Funded
31
Giving History
| Year | Total Granted | Grants Made | Avg Grant |
|---|---|---|---|
| 2025 | $720,825 | 25 | $28,833 |
| 2024 | $600,070 | 20 | $30,004 |
| 2023 | $564,150 | 22 | $25,643 |
| 2022 | $571,020 | 22 | $25,955 |
| 2021 | $458,900 | 20 | $22,945 |
Top Grant Recipients
New York, NY
STAMFORD, CT
WASHINGTON, DC
WASHINGTON, DC
STAMFORD, CT
WASHINGTON, DC
STAMFORD, CT
WASHINGTON, DC
Showing top 10 of 109 grants on file.
Officers & Trustees
From 2025 IRS 990-PF filing (data available for 11 filing years)
RICHARD J SONDHEIMER
EXECUTIVE DIRECTOR AND TREASURY
JANE RISSMAN
VICE PRESIDENT
IRS Filing History
THE SONDHEIMER FOUNDATION has IRS 990-PF filings on record for 11 years, spanning 2015 to 2025.
Frequently Asked Questions
Other Foundations in California
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