Mattis Family Foundation

GREENWICH, CT EIN: 20-3538795

Mattis Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENWICH, CT. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $3.3M in total assets. In 2024, it awarded 10 grants totaling $215K. Net investment income was $103K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$3.3M

+6.3% YoY

Annual Giving

$215K

+22.9% YoY

Grant Count

10

-16.7% YoY

Avg Grant Size

$22K

+47.4% YoY

Under IRS private-foundation payout rules, Mattis Family Foundation reported a distributable amount of $165K for 2024 — the minimum it must pay out in qualifying distributions.

About Mattis Family Foundation

Based on IRS filings

Mattis Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENWICH, CT. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $3.3M in total assets. In 2024, it awarded 10 grants totaling $215K. Net investment income was $103K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

7states

Cities

BerkeleyCos CobGreenwichHightstownLakevilleNew MarketNew YorkNorwalkSan FranciscoStockbridgeTucson

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$187K$373K$560K$746K20202021202220232024
Metric202420232022
Total Assets$3,272,811$3,077,401$2,910,640
Revenue$135,329$102,226$35,183
Expenses$245,254$212,290$280,879
Qualifying Distributions$218,064$177,844$248,427
Net Investment Income$102,933$65,654$25,849
Distributable Amount$164,893$149,674$156,328

Giving Over Time

Total grant dollars and number of grants per year

$0$64K$128K$191K$255K10 grants202011 grants202110 grants202212 grants202310 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

GREENWICH COUNTRY DAY SC…$100KEAGLE HILL SCHOOL$25KNEIGHBOR TO NEIGHBOR$20KBURNING MAN PROJECT$20KPROPUBLICA$10KGREENWICH LIBRARY$10KKRIPALU CENTER FOR YOGA …$10KNEW YORK PUBLIC RADIO$10KBRUCE MUSEUM$5KGREENWICH HISTORICAL SOC…$5K

Grant Size Distribution

53 grants across all recorded years

49<$50K3$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Greenwich Country Day School ($100,000), Eagle Hill School ($25,000), Neighbor to Neighbor ($20,000).

RecipientPurposeAmount
BRUCE MUSEUM GREENWICH, CTEDUCATION, CULTURE, ART$5,000
PROPUBLICA NEW YORK, NYART$10,000
EAGLE HILL SCHOOL GREENWICH, CTEDUCATION$25,000
GREENWICH COUNTRY DAY SCHOOL GREENWICH, CTEDUCATION$100,000
GREENWICH HISTORICAL SOCIETY COS COB, CTEDUCATION$5,000
GREENWICH LIBRARY GREENWICH, CTEDUCATION & COMMUNITY OUTREACH PROGRAMS$10,000
KRIPALU CENTER FOR YOGA & HEALTH STOCKBRIDGE, MASPIRITUAL DEVELOPMENT$10,000
NEIGHBOR TO NEIGHBOR GREENWICH, CTFOOD BANK$20,000
NEW YORK PUBLIC RADIO NEW YORK, NYSUPPORT PUBLIC MEDIA$10,000
BURNING MAN PROJECT SAN FRANCISCO, CAART, MUSIC AND INNOVATION$20,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
PETER MATTISTRUSTEE0.25
KATHYRN MATTISTRUSTEE0.25

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Mattis Family Foundation?

Mattis Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENWICH, CT. It holds $3.3M in total assets as of 2024.

How large is Mattis Family Foundation?

As of 2024, Mattis Family Foundation holds $3.3M in total assets with $135K in annual revenue. It awarded 10 grants totaling $215K in 2024.

Where does Mattis Family Foundation operate?

Mattis Family Foundation has awarded grants in Arizona, California, Connecticut, Massachusetts, New Jersey, New York, Tennessee.

What size grants does Mattis Family Foundation award?

In 2024, Mattis Family Foundation awarded 10 grants totaling $215K — an average of about $22K per grant, based on its IRS Form 990 filings.

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

Private foundations must generally distribute about 5% of their assets annually. For 2024, Mattis Family Foundation reported a distributable amount of $165K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Mattis Family Foundation's EIN?

Mattis Family Foundation's EIN (Employer Identification Number) is 20-3538795. IRS Form 990 filing data is available on this page for 2020–2024.

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

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