Private Foundation

HAMILTON FAMILY FOUNDATION

Based in SANTA ROSA, CA, HAMILTON FAMILY FOUNDATION operates as a Private Foundation. The organization reported $168K in revenue, $83K in expenses, $1.2M in total assets for fiscal year 2025. Imperigo tracks 51 reported grants from this foundation totaling approximately $478K.

EIN: 205634026 SANTA ROSA, CA Latest filing: 2025

Total Revenue$168K

Total Expenses$83K

Total Assets$1.2M

Grants Given51

Grant Total$478K

Filing Years2021–2025

Sample Grants Given

MUSIC MENDS MINDS

LOS ANGELES, CA · 2024

GENERAL USE

$10,000

ACLU (AMERICAN CIVIL LIBERTIES UNION)

NEW YORK, NY · 2024

GENERAL USE

$10,000

PARTNERS FOR WORLD HEALTH

PORTLAND, ME · 2024

GENERAL USE

$7,500

GIFFORDS LAW CENTER TO PREVENT GUN VIOLENCE

SAN FRANCISCO, CA · 2024

GENERAL USE

$7,500

PLANNED PRENTHOOD FEDWRATION OF AMERICA

WASHINGTON, DC · 2024

GENERAL USE

$7,500

Showing up to 5 of 51 total records — full history available with membership.

Officers & Directors

DIRECTOR Barbara Tamborski

DIRECTOR Bernard Hamilton

DIRECTOR, CHAIRPERSON & SECRETARY Marie Hamilton

DIRECTOR, CFO Mark Hamilton

DIRECTOR, PRESIDENT & EXC DIRECTOR Susan Brin

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL USE

$456,500 47 grants

EVICTION PREVENTION PROGRAM

$15,000 1 grant

GENERAL

$2,500 1 grant

TYPE 1 DIABETES RESEARCH

$2,500 1 grant

TYPE 1 DIABETIS RESEARCH

$2,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$168K	$83K	$1.2M
2024	$75K	$78K	$1.1M
2023	$194K	$103K	$1.0M
2022	$136K	$116K	$941K
2021	$118K	$73K	$954K

Between 2021 and 2025, reported annual revenue grew from $118K to $168K (+42%), with total assets most recently reported at $1.2M.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, DC, IL, MA, ME, NY, and 1 other state.

CADCILMAMENYVA

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

See the full picture for HAMILTON FAMILY FOUNDATION

Complete financials, all 51 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