Private Foundation

WILLIAM L & JOSEPHINE B WEISS FAMILY FOUNDATION

WILLIAM L & JOSEPHINE B WEISS FAMILY FOUNDATION, of LINCOLNSHIRE, IL, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $370K in revenue, $810K in expenses, $3.3M in total assets. IRS filings disclose 47 grants awarded by this foundation, totaling roughly $4.7M.

EIN: 363478679 LINCOLNSHIRE, IL Latest filing: 2025

Total Revenue$370K

Total Expenses$810K

Total Assets$3.3M

Grants Given47

Grant Total$4.7M

Filing Years2021–2025

Sample Grants Given

PENNSYLVANIA STATE UNIVERSITY

UNIVERSITY PARK, PA · 2025

EDUCATION

$250,000

SANDHILLS COMMUNITY COLLEGE FOUNDATION INC

PINEHURST, NC · 2025

EDUCATION

$220,200

COURT SPORTS FOR LIFE FOUNDATION

STEAMBOAT SPRINGS, CO · 2025

COMMUNITY

$185,000

BOYS & GIRLS HOMES OF NORTH CAROLINA INC

LAKE WACCAMAW, NC · 2025

COMMUNITY

$45,000

WAKE TECH COMMUNITY COLLEGE FOUNDATION

RALEIGH, NC · 2025

EDUCATION

$43,750

Showing up to 5 of 47 total records — full history available with membership.

Officers & Directors

CO-PRESIDENT/TREAS/TTEE David W Weiss

NON-VOTING BOARD MEMBER Ken Miller

CO-PRESIDENT/TTEE Steven P Weiss

VP & SECRETARY/TTEE Susan W Miller

Officer compensation and complete director data available with membership.

Top Grant Purposes

EDUCATION

$3,943,300 19 grants

COMMUNITY

$600,000 16 grants

COMMUNITY & CULTURAL

$140,000 3 grants

RELIGIOUS & COMMUNITY

$40,000 9 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$370K	$810K	$3.3M
2024	$589K	$931K	$3.8M
2023	$262K	$574K	$4.1M
2022	$152K	$487K	$4.4M
2021	$492K	$615K	$4.8M

Between 2021 and 2025, reported annual revenue declined from $492K to $370K (-25%), with total assets most recently reported at $3.3M.

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

Grant Geography

Grants from this foundation were reported to recipients in CO, FL, NC, PA, VA.

COFLNCPAVA

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

See the full picture for WILLIAM L & JOSEPHINE B WEISS FAMILY FOUNDATION

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