Private Foundation

THE SONDHEIMER FOUNDATION

THE SONDHEIMER FOUNDATION, of LOS ANGELES, CA, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $923K in revenue, $882K in expenses, $1.1M in total assets. IRS filings disclose 192 grants awarded by this foundation, totaling roughly $4.6M.

EIN: 263060699 LOS ANGELES, CA Latest filing: 2025

Total Revenue$923K

Total Expenses$882K

Total Assets$1.1M

Grants Given192

Grant Total$4.6M

Filing Years2021–2025

Sample Grants Given

AMERICARES

STAMFORD, CT · 2025

CHARITABLE

$100,000

INTERNATIONAL RESCUE COMMITTEE

NEW YORK, NY · 2025

CHARITABLE

$100,000

ACLU FOUNDATION

NEW YORK, NY · 2025

CHARITABLE

$75,000

PLANNED PARENTHOOD LOS ANGELES

LOS ANGELES, CA · 2025

CHARITABLE

$75,000

WORLD CENTRAL KITCHEN

WASHINGTON, DC · 2025

CHARITABLE

$75,000

Showing up to 5 of 192 total records — full history available with membership.

Officers & Directors

VICE PRESIDENT Jane Rissman

EXECUTIVE DIRECTOR AND TREASURY Richard J Sondheimer

Officer compensation and complete director data available with membership.

Top Grant Purposes

CHARITABLE

$4,220,728 165 grants

MEDICAL

$280,550 16 grants

EDUCATIONAL

$65,250 11 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$923K	$882K	$1.1M
2024	$694K	$751K	$1.1M
2023	$543K	$699K	$1.1M
2022	$490K	$707K	$1.3M
2021	$206K	$581K	$1.5M

Between 2021 and 2025, reported annual revenue grew from $206K to $923K (+348%), with total assets most recently reported at $1.1M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in CA, CT, DC, DE, HI, IL, and 4 other states.

CACTDCDEHIILMAMNNCNY

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for THE SONDHEIMER FOUNDATION

Complete financials, all 192 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports