Marineau Family Foundation

SAN FRANCISCO, CA EIN: 20-8043517

Marineau Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SAN FRANCISCO, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $928K in total assets. In 2024, it awarded 4 grants totaling $175K. Net investment income was $75K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$928K

-10.1% YoY

Annual Giving

$175K

-37.7% YoY

Grant Count

4

-33.3% YoY

Avg Grant Size

$44K

-6.6% YoY

Under IRS private-foundation payout rules, Marineau Family Foundation reported a distributable amount of $54K for 2024 — the minimum it must pay out in qualifying distributions.

About Marineau Family Foundation

Based on IRS filings

Marineau Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SAN FRANCISCO, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $928K in total assets. In 2024, it awarded 4 grants totaling $175K. Net investment income was $75K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

5states

Cities

BrooklynConcordLos AngelesNew YorkSacramentoSan FranciscoSan JoseSanta FeTampaWashington

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$184K$368K$552K$735K20202021202220232024
Metric202420232022
Total Assets$928,422$1,032,669$1,236,376
Revenue$86,008$93,515$89,524
Expenses$189,887$296,781$307,910
Qualifying Distributions$178,550$284,690$286,470
Net Investment Income$74,671$81,424$74,584
Distributable Amount$54,341$60,488$73,133

Giving Over Time

Total grant dollars and number of grants per year

$0$163K$325K$488K$650K11 grants202011 grants20216 grants20226 grants20234 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2024

SAN FRANCISCO OPERA$75KSanta Fe Opera$50KUNIVERSITY OF SAN FRANCI…$25KMS FOUNDATION FOR WOMEN …$25K

Grant Size Distribution

38 grants across all recorded years

14<$50K21$50–100K2$100–250K1$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include San Francisco Opera ($75,000), Santa Fe Opera ($50,000), University of San Francisco ($25,000).

RecipientPurposeAmount
Santa Fe Opera Santa Fe, NMLouisa Muller's production of La Traviata$50,000
SAN FRANCISCO OPERA San Francisco, CATO SUPPORT Chloe Lamford's production of The Innocence$75,000
UNIVERSITY OF SAN FRANCISCO San Francisco, CATo Support the underwriting for the hiring process for Engineers$25,000
MS FOUNDATION FOR WOMEN INC Brooklyn, NYTo support the "Creating the Future We Deserve" campaign$25,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
Susan MarineauPresident & Chief Financial1
Philip MarineauSecretary & Vice President1

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Marineau Family Foundation?

Marineau Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SAN FRANCISCO, CA. It holds $928K in total assets as of 2024.

How large is Marineau Family Foundation?

As of 2024, Marineau Family Foundation holds $928K in total assets with $86K in annual revenue. It awarded 4 grants totaling $175K in 2024.

Where does Marineau Family Foundation operate?

Marineau Family Foundation has awarded grants in California, District of Columbia, Florida, New Mexico, New York.

What size grants does Marineau Family Foundation award?

In 2024, Marineau Family Foundation awarded 4 grants totaling $175K — an average of about $44K per grant, based on its IRS Form 990 filings.

How much is Marineau Family Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Marineau Family Foundation reported a distributable amount of $54K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Marineau Family Foundation's EIN?

Marineau Family Foundation's EIN (Employer Identification Number) is 20-8043517. IRS Form 990 filing data is available on this page for 2020–2024.

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Related Funders

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Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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