Private Foundation

THE MATTIS FAMILY FOUNDATION

THE MATTIS FAMILY FOUNDATION, of GREENWICH, CT, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $23K in revenue, $30K in expenses, $337K in total assets. IRS filings disclose 4 grants awarded by this foundation, totaling roughly $30K.

EIN: 352765948 GREENWICH, CT Latest filing: 2025

Total Revenue$23K

Total Expenses$30K

Total Assets$337K

Grants Given4

Grant Total$30K

Filing Years2022–2025

Sample Grants Given

EAGLE HILL SCHOOL

GREENWICH, CT · 2025

EDUCATION

$10,000

IRISH ARTS CENTER

NEW YORK, NY · 2025

ART & CULTURE

$5,000

THE NATIONAL AUDUBON SOCIETY

GREENWICH, CT · 2024

PROVIDING RESOURCES AND INFORMATION TO FAMILIES IN NEED WITH CHILDREN IN SPECIAL EDUCATION

$10,000

SPECIAL EDUCATION LEGAL FUND

OLD GREENWICH, CT · 2023

PROVIDING RESOURCES AND INFORMATION TO FAMILIES IN NEED WITH CHILDREN IN SPECIAL EDUCATION

$5,000

Showing up to 5 of 4 total records — full history available with membership.

Officers & Directors

CHAIRMAN & SECRETARTY Kathryn Mattis

TREASURER Peter Mattis

Officer compensation and complete director data available with membership.

Top Grant Purposes

PROVIDING RESOURCES AND INFORMATION TO FAMILIES IN NEED WITH CHILDREN IN SPECIAL EDUCATION

$15,000 2 grants

EDUCATION

$10,000 1 grant

ART & CULTURE

$5,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$23K	$30K	$337K
2024	$24K	$32K	$344K
2023	$27K	$17K	$352K
2022	$342K	—	$335K

Between 2022 and 2025, reported annual revenue declined from $342K to $23K (-93%), with total assets most recently reported at $337K.

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

Grant Geography

Grants from this foundation were reported to recipients in CT, NY.

CTNY

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

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