Private Foundation

THE PORTER FAMILY FOUNDATION

THE PORTER FAMILY FOUNDATION is a private foundation categorized as Private Foundation based in ANN ARBOR, MI. Its most recent IRS filing (2025) reports revenue of $208K, expenses of $144K, total assets of $1.5M. Imperigo tracks 149 reported grants from this foundation totaling approximately $715K.

EIN: 383503967 ANN ARBOR, MI Latest filing: 2025

Total Revenue$208K

Total Expenses$144K

Total Assets$1.5M

Grants Given149

Grant Total$715K

Filing Years2021–2025

Sample Grants Given

MICHIGAN CLIMATE ACTION NETWORK

LANSING, MI · 2024

ENVIRONMENTAL EDUCATION

$35,259

MIEIBC

LANSING, MI · 2024

CHARITABLE PURPOSES

$10,000

SOLARDARITY

HIGHLAND PARK, MI · 2024

CHARITABLE PURPOSES

$10,000

Ecology Center

Ann Arbor, MI · 2024

Charitable purposes

$6,850

MICHIGAN ENVIRONMENTAL COUNCIL

LANSING, MI · 2024

ENVIRONMENTAL

$6,500

Showing up to 5 of 149 total records — full history available with membership.

Officers & Directors

DIRECTOR Thomas S Porter

Officer compensation and complete director data available with membership.

Top Grant Purposes

ENVIRONMENTAL EDUCATION

$174,743 16 grants

Charitable purposes

$164,550 30 grants

CHARITABLE PURPOSES

$86,407 21 grants

charitable

$79,699 16 grants

CHARITABLE

$63,500 12 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$208K	$144K	$1.5M
2024	$212K	$133K	$1.4M
2023	$32K	$133K	$1.4M
2022	$103K	$119K	$1.5M
2021	$433K	$143K	$1.5M

Between 2021 and 2025, reported annual revenue declined from $433K to $208K (-52%), with total assets most recently reported at $1.5M.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, CT, DC, IL, MA, MI, and 3 other states.

CACTDCILMAMIMNVAVT

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

See the full picture for THE PORTER FAMILY FOUNDATION

Complete financials, all 149 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