Private Foundation

ARIOWITSCH FAMILY FOUNDATION

Based in MILL VALLEY, CA, ARIOWITSCH FAMILY FOUNDATION operates as a Private Foundation. The organization reported $28K in revenue, $64K in expenses, $404K in total assets for fiscal year 2025. Imperigo tracks 47 reported grants from this foundation totaling approximately $209K.

EIN: 136279580 MILL VALLEY, CA Latest filing: 2025

Total Revenue$28K

Total Expenses$64K

Total Assets$404K

Grants Given47

Grant Total$209K

Filing Years2022–2025

Sample Grants Given

THE NATURE CONSERVANCY

SAN FRANCISCO, CA · 2025

CONSERVATION

$30,000

HEADLANDS CENTER FOR ARTS

SAUSALITO, CA · 2025

EDUCATION

$5,000

AMERICAN FRIENDS OF THE HEBREW UNIV

NEW YORK CITY, NY · 2025

SCHOLARSHIP

$5,000

MARIN MOUNTESSORI SCHOOL

CORTE MADERA, CA · 2025

EDUCATION

$5,000

THE COMMUNITY FOUNDATION

BOULDER, CO · 2025

ARTS EDUCATION, ENVIRONMENT, HUMANITARIAN

$3,000

Showing up to 5 of 47 total records — full history available with membership.

Officers & Directors

Secretary Ethan Ariowitsch

Treasurer Melinda Ariowitsch

Vice President Tanya Ariowitsch

President & CEO Tim Ariowitsch

Officer compensation and complete director data available with membership.

Top Grant Purposes

CONSERVATION

$117,500 4 grants

EDUCATION

$52,000 23 grants

SCHOLARSHIP

$22,000 3 grants

ARTS EDUCATION, ENVIRONMENT, HUMANITARIAN

$9,000 4 grants

ENVIRONMENTAL

$7,000 10 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$28K	$64K	$404K
2024	$21K	$59K	$439K
2023	$58K	$51K	$477K
2022	$55K	$47K	$471K

Between 2022 and 2025, reported annual revenue declined from $55K to $28K (-49%), with total assets most recently reported at $404K.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, CO, MA, MO, MT, NY, and 1 other state.

CACOMAMOMTNYPA

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

See the full picture for ARIOWITSCH FAMILY FOUNDATION

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