Private Foundation

LEONARD MAYER FOUNDATION

LEONARD MAYER FOUNDATION, of LIVINGSTON, NJ, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $174 in revenue, $40K in expenses, $251K in total assets. IRS filings disclose 102 grants awarded by this foundation, totaling roughly $164K.

EIN: 237042005 LIVINGSTON, NJ Latest filing: 2025

Total Revenue$174

Total Expenses$40K

Total Assets$251K

Grants Given102

Grant Total$164K

Filing Years2020–2025

Sample Grants Given

PROSTATE CANCER FOUNDATION

ALBERT LED, MN · 2025

OPERATING FUNDS

$5,000

PARKINSONS FOUNDATION

ALBERT LEE, MN · 2025

OPERATING FUNDS

$5,000

MEMORIAL SLOAN KETTERING

HAGERSTOWN, MD · 2025

OPERATING FUNDS

$4,000

ST JUDE CHILDRENS HOSPITAL

NEW YORK, NY · 2025

OPERATING FUNDS

$3,000

ALZHEIMERS ASSOCIATION

WASHINGTON, DC · 2025

OPERATING FUNDS

$3,000

Showing up to 5 of 102 total records — full history available with membership.

Officers & Directors

VICE PRESIDENT Harriet Mayer

PRESIDENT Leonard Mayer

Officer compensation and complete director data available with membership.

Top Grant Purposes

OPERATING FUNDS

$163,608 102 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$174	$40K	$251K
2024	$-24K	$26K	$291K
2023	$7K	$28K	$341K
2022	$9K	$18K	$356K
2020	$28K	$20K	$519K

Between 2020 and 2025, reported annual revenue declined from $28K to $174 (-99%), with total assets most recently reported at $251K.

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

Grant Geography

Grants from this foundation were reported to recipients in CT, DC, FL, IL, KS, MA, and 4 other states.

CTDCFLILKSMAMDMNNJNY

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

See the full picture for LEONARD MAYER FOUNDATION

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