Private Foundation

THE MIDDENDORF FAMILY FOUNDATION

THE MIDDENDORF FAMILY FOUNDATION is a Private Foundation headquartered in NEW YORK, NY. Financial data from the 2025 filing: $1.2M revenue, $1.4M expenses, $6.2M total assets. IRS filings disclose 76 grants awarded by this foundation, totaling roughly $5.0M.

EIN: 233069847 NEW YORK, NY Latest filing: 2025

Total Revenue$1.2M

Total Expenses$1.4M

Total Assets$6.2M

Grants Given76

Grant Total$5.0M

Filing Years2020–2025

Sample Grants Given

MISSIONARY SOCIETY SALESIAN SISTERS

TAMPA, FL · 2025

GENERAL CHARITABLE PURPOSES

$325,000

OUR LADY OF MISSISSIPPI VALLEY

FORT MEYERS, FL · 2025

GENERAL CHARITABLE PURPOSES

$150,000

SANIBEL CAPTIVA CONSERVATION FOUNDATION

SANIBEL, FL · 2025

GENERAL CHARITABLE PURPOSES

$125,000

FISH OF SANIBEL

SANIBEL, FL · 2025

GENERAL CHARITABLE PURPOSES

$125,000

KATIE'S HOUSE INC

NEWTON, NY · 2025

GENERAL CHARITABLE PURPOSES

$125,000

Showing up to 5 of 76 total records — full history available with membership.

Officers & Directors

TRUSTEE Deutsche Bank Trust Company N A

CO-TRUSTEE Patricia A Middendorf

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL CHARITABLE PURPOSES

$4,225,000 58 grants

UNRESTRICTED GENERAL

$515,000 12 grants

GENERAL OPERATING

$175,000 4 grants

YOUTH CENTER AT VILLA

$35,000 1 grant

UNDISTRIBUTED GENERAL

$20,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$1.2M	$1.4M	$6.2M
2024	$1.0M	$1.1M	$6.8M
2023	$1.7M	$951K	$7.0M
2022	$700K	$695K	$6.5M
2020	$580K	$910K	$8.2M

Between 2020 and 2025, reported annual revenue grew from $580K to $1.2M (+98%), with total assets most recently reported at $6.2M.

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

Grant Geography

Grants from this foundation were reported to recipients in FL, IA, MN, NC, NJ, NY, and 2 other states.

FLIAMNNCNJNYOHVA

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

See the full picture for THE MIDDENDORF FAMILY FOUNDATION

Complete financials, all 76 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