Private Foundation

SENIEL & DOROTHY OSTROW FOUNDATION

SENIEL & DOROTHY OSTROW FOUNDATION is a private foundation categorized as Private Foundation based in LOS ANGELES, CA. Its most recent IRS filing (2025) reports revenue of $311K, expenses of $112K, total assets of $1.3M. Imperigo tracks 234 reported grants from this foundation totaling approximately $476K.

EIN: 956029169 LOS ANGELES, CA Latest filing: 2025

Total Revenue$311K

Total Expenses$112K

Total Assets$1.3M

Grants Given234

Grant Total$476K

Filing Years2021–2025

Sample Grants Given

LA OPERA FOUNDATION

LOS ANGELES, CA · 2024

GENERAL OPERATING SUPPORT

$7,000

OVERTONE INDUSTRIES

LOS ANGELES, CA · 2024

GENERAL OPERATING SUPPORT

$7,000

OPERA AMERICA

NEW YORK, NY · 2024

GENERAL OPERATING SUPPORT

$5,000

BETH MORRISISON PROJECTS

BROOKLYN, NY · 2024

GENERAL OPERATING SUPPORT

$4,500

CENTER THEATRE GROUP

LOS ANGELES, CA · 2024

GENERAL OPERATING SUPPORT

$3,500

Showing up to 5 of 234 total records — full history available with membership.

Officers & Directors

TRUSTEE Samantha S Widzer

TRUSTEE Sara E Widzer

Officer compensation and complete director data available with membership.

Top Grant Purposes

UNRESTRICTED GIFT

$387,801 173 grants

GENERAL OPERATING SUPPORT

$88,663 61 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$311K	$112K	$1.3M
2024	$165K	$76K	$1.1M
2023	$94K	$118K	$983K
2022	$565K	$137K	$987K
2021	$91K	$110K	$559K

Between 2021 and 2025, reported annual revenue grew from $91K to $311K (+243%), with total assets most recently reported at $1.3M.

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

Grant Geography

Grants from this foundation were reported to recipients in AL, AZ, CA, CO, DC, FL, and 4 other states.

ALAZCACODCFLGAILMAMT

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

See the full picture for SENIEL & DOROTHY OSTROW FOUNDATION

Complete financials, all 234 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