Private Foundation

HARRINGTON FAMILY FOUNDATION

HARRINGTON FAMILY FOUNDATION is a Private Foundation headquartered in LOS ALTOS, CA. Financial data from the 2025 filing: $3.5M revenue, $970K expenses, $14.4M total assets. IRS filings disclose 164 grants awarded by this foundation, totaling roughly $10.8M.

EIN: 261469601 LOS ALTOS, CA Latest filing: 2025

Total Revenue$3.5M

Total Expenses$970K

Total Assets$14.4M

Grants Given164

Grant Total$10.8M

Filing Years2020–2025

Sample Grants Given

PLANNED PARENTHOOD MAR MONTE

SAN JOSE, CA · 2024

HEALTH CARE SERVICES

$50,000

UCSF FOUNDATION-CAROL FRANC BUCK

SAN FRANCISCO, CA · 2024

BREAST CARE STUDIES

$40,000

WOMEN'S EMERGENCY NETWORK

CORAL GABLES, FL · 2024

PROVIDES FINANCIAL ASSISTANCE

$40,000

RADY CHILDREN'S HOSPITAL FOUNDATION

SAN DIEGO, CA · 2024

TO RESTORE, SUSTAIN AND ENHANCE THE HEALTH AND DEVELOPMENTAL POTENTIAL OF CHILDREN

$40,000

WILDLIFE CONSERVATION NETWORK

LOS ALTOS, CA · 2024

ELEPHANT CRISIS FUND

$34,875

Showing up to 5 of 164 total records — full history available with membership.

Officers & Directors

CFO Jonathan Harrington

DIRECTOR Katherine M Harrington

DIRECTOR Robin C Quill

VICE PRESIDENT Susan C Harrington

PRESIDENT Thomas E Harrington

Officer compensation and complete director data available with membership.

Top Grant Purposes

TO SUPPORT AGE-RELATED MACULAR DEGENERATION (AMD) RESEARCH

$5,014,280 4 grants

EDUCATIONAL OUTREACH

$3,229,498 7 grants

HEALTH CARE SERVICES

$654,917 8 grants

ELEPHANT CRISIS FUND

$209,875 7 grants

SUPPORT FOR AT-RISK YOUTH

$132,000 4 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$3.5M	$970K	$14.4M
2024	$2.0M	$366K	$11.9M
2023	$1.9M	$626K	$11.1M
2021	$1.4M	$679K	$8.9M
2020	$2.5M	$6.0M	$9.5M

Between 2020 and 2025, reported annual revenue grew from $2.5M to $3.5M (+42%), with total assets most recently reported at $14.4M.

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, FL, MA, NC, NJ, and 4 other states.

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

See the full picture for HARRINGTON FAMILY FOUNDATION

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