Private Foundation

WILLIAM & SANDY HEITZ FAMILY FOUNDATION

Based in MEQUON, WI, WILLIAM & SANDY HEITZ FAMILY FOUNDATION operates as a Private Foundation. The organization reported $103K in revenue, $198K in expenses, $2.4M in total assets for fiscal year 2025. Imperigo tracks 165 reported grants from this foundation totaling approximately $1.3M.

EIN: 391799844 MEQUON, WI Latest filing: 2025

Total Revenue$103K

Total Expenses$198K

Total Assets$2.4M

Grants Given165

Grant Total$1.3M

Filing Years2021–2025

Sample Grants Given

MEDICAL COLLEGE OF WISCONSIN

WAUWATOSA, WI · 2025

CANCER RESEARCH

$50,000

WOUNDED WARRIOR PROJECT

JACKSONVILLE, FL · 2025

GENERAL OPERATING

$25,000

STEPHEN SILLER TUNNEL TO TOWERS FDN

STATEN ISLAND, NY · 2025

GENERAL OPERATING

$25,000

SAMARITAN'S PURSE

BOONE, NC · 2025

GENERAL OPERATING

$25,000

THE LEAGUE CLUB

NAPLES, FL · 2025

GENERAL OPERATING

$18,000

Showing up to 5 of 165 total records — full history available with membership.

Officers & Directors

Secretary Gregory Heitz

President Sandra Heitz

Treasurer Stephanie Fleming

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL OPERATING

$677,642 109 grants

CANCER RESEARCH

$420,000 8 grants

GENERAL FUND

$89,536 29 grants

MENTAL HEALTH

$35,000 4 grants

CANCER FUND

$10,886 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$103K	$198K	$2.4M
2024	$94K	$216K	$2.5M
2023	$497K	$197K	$2.6M
2022	$146K	$166K	$2.3M
2021	$512K	$129K	$2.4M

Between 2021 and 2025, reported annual revenue declined from $512K to $103K (-80%), with total assets most recently reported at $2.4M.

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

Grant Geography

Grants from this foundation were reported to recipients in FL, IN, NC, NY, OH, PA, and 4 other states.

FLINNCNYOHPASCTNTXWI

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

See the full picture for WILLIAM & SANDY HEITZ FAMILY FOUNDATION

Complete financials, all 165 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

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