Private Foundation

The Mayer Family Foundation

The Mayer Family Foundation is a Private Foundation headquartered in Greenwich, CT. Financial data from the 2025 filing: $381K revenue, $377K expenses, $3.6M total assets. IRS filings disclose 8 grants awarded by this foundation, totaling roughly $4.9M.

EIN: 133531984 Greenwich, CT Latest filing: 2025

Total Revenue$381K

Total Expenses$377K

Total Assets$3.6M

Grants Given8

Grant Total$4.9M

Filing Years2021–2025

Sample Grants Given

SEE LIST ATTACHED

SEE LIST ATTACHED, CT · 2025

GENERAL SUPPORT

$367,729

SEE LIST ATTACHED

SEE LIST ATTACHED, CT · 2024

GENERAL SUPPORT

$837,060

SEE LIST ATTACHED

GREENWICH, CT · 2023

GENERAL SUPPORT

$803,520

SEE LIST ATTACHED

SEE LIST ATTACHED, CT · 2022

GENERAL SUPPORT

$251,650

SEE LIST ATTACHED

SEE LIST ATTACHED, CT · 2021

GENERAL SUPPORT

$835,300

Showing up to 5 of 8 total records — full history available with membership.

Officers & Directors

TRUSTEE Charles B Mayer

TRUSTEE Charles B Mayer Jr

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL SUPPORT

$4,945,769 8 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$381K	$377K	$3.6M
2024	$277K	$883K	$3.6M
2023	$1.6M	$811K	$4.2M
2022	$1.6M	$290K	$3.9M
2021	$995K	$728K	$2.1M

Between 2021 and 2025, reported annual revenue declined from $995K to $381K (-62%), with total assets most recently reported at $3.6M.

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

Grant Geography

Grants from this foundation were reported to recipients in CT.

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

See the full picture for The Mayer Family Foundation

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