Private Foundation

HAROLD & HELEN MCMASTER FOUNDATION INC

HAROLD & HELEN MCMASTER FOUNDATION INC is a private foundation categorized as Private Foundation based in SYLVANIA, OH. Its most recent IRS filing (2025) reports revenue of $240K, expenses of $311K, total assets of $3.0M. Imperigo tracks 119 reported grants from this foundation totaling approximately $2.1M.

EIN: 341576110 SYLVANIA, OH Latest filing: 2025

Total Revenue$240K

Total Expenses$311K

Total Assets$3.0M

Grants Given119

Grant Total$2.1M

Filing Years2020–2025

Sample Grants Given

THE UNIVERSITY OF TOLEDO FOUNDATION

TOLEDO, OH · 2024

MEDICAL/HEALTHCARE RESEARCH

$70,000

HILLSDALE COLLEGE

HILLSDALE, MI · 2024

SUPPORT FOR COURSE TEACHING

$36,000

FRIENDS OF THE ASHBROOK CENTER

ASHLAND, OH · 2024

GENERAL FUND

$17,500

SUFFICIENT GRACE MINISTRIES FOR WOMEN INC

DESHLER, OH · 2024

EDUCATION & TRAINING FOR NURSES AND SUPPORT PERSONNEL

$15,000

THE TOLEDO SCIENCE CENTER DBA IMAGINATION STATION

TOLEDO, OH · 2024

STEM

$15,000

Showing up to 5 of 119 total records — full history available with membership.

Officers & Directors

SECRETARY, TRUSTEE Daniel Sandwisch

SECRETARY, TRUSTEE Frank Jacobs

TRUSTEE Jeanine E Dunn

PRESIDENT, TRUSTEE Jeffrey Sandwisch

TRUSTEE Jordan H Sandwisch

TRUSTEE Melissa Mcbride

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL FUND

$859,928 48 grants

NEW INSTITUTE

$400,000 4 grants

STEM

$158,000 13 grants

MEDICAL/HEALTHCARE RESEARCH

$135,000 3 grants

ANNUAL CAMPAIGN

$90,125 8 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$240K	$311K	$3.0M
2024	$248K	$243K	$3.1M
2023	$261K	$305K	$3.1M
2022	$218K	$425K	$3.1M
2020	$333K	$351K	$3.1M

Between 2020 and 2025, reported annual revenue declined from $333K to $240K (-28%), with total assets most recently reported at $3.0M.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, LA, MI, OH.

CALAMIOH

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

See the full picture for HAROLD & HELEN MCMASTER FOUNDATION INC

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