Private Foundation

HELEN & WILLIAM MAZER FOUNDATION

HELEN & WILLIAM MAZER FOUNDATION is a private foundation categorized as Private Foundation based in BERKELEY HEIGHTS, NJ. Its most recent IRS filing (2025) reports revenue of $1.2M, expenses of $1.2M, total assets of $17.3M. Imperigo tracks 550 reported grants from this foundation totaling approximately $4.5M.

EIN: 020511160 BERKELEY HEIGHTS, NJ Latest filing: 2025
Total Revenue$1.2M
Total Expenses$1.2M
Total Assets$17.3M
Grants Given550
Grant Total$4.5M
Filing Years2020–2025

Sample Grants Given

EAST COAST GREENWAY
DURHAM, NC · 2024
CHARITABLE PURPOSES.
$55,000
TPL-CT
NEW HAVEN, CT · 2024
CHARITABLE PURPOSES.
$50,000
BRANDEIS UNIVERSITY
WALTHAM, MA · 2024
CHARITABLE PURPOSES.
$50,000
CONSERVATION LAW FOUNDATION
BOSTON, MA · 2024
CHARITABLE PURPOSES.
$48,000
ECOCITY BUILDERS
DURHAM, NC · 2024
CHARITABLE PURPOSES.
$47,500

Showing up to 5 of 550 total records — full history available with membership.

Officers & Directors

DIRECTOR Alan Berkowitz
DIRECTOR David Berkowitz
TREASURER Leonard Berkowitz
PRESIDENT Linda Berkowitz
DIRECTOR Steven Bercu

Officer compensation and complete director data available with membership.

Top Grant Purposes

CHARITABLE PURPOSES.
$4,496,373 550 grants

Financial Trends

Year Revenue Expenses Assets
2025 $1.2M $1.2M $17.3M
2024 $1.7M $1.1M $17.3M
2023 $674K $1.2M $16.7M
2021 $3.9M $956K $17.6M
2020 $1.2M $888K $14.5M

Between 2020 and 2025, reported annual revenue held roughly steady at around $1.2M, with total assets most recently reported at $17.3M.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, CO, CT, DC, IL, IN, and 4 other states.

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

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