Private Foundation

Costolo Family Foundation

Based in Wilmington, DE, Costolo Family Foundation operates as a Private Foundation. The organization reported $778K in revenue, $505K in expenses, $10.3M in total assets for fiscal year 2024. Imperigo tracks 15 reported grants from this foundation totaling approximately $940K.

EIN: 861199543 Wilmington, DE Latest filing: 2024

Total Revenue$778K

Total Expenses$505K

Total Assets$10.3M

Grants Given15

Grant Total$940K

Filing Years2020–2024

Sample Grants Given

THE NATURE CONSERVANCY

COLD SPRING HARBOR, NY · 2024

General & Unrestricted

$100,000

CONSERVATION INTERNATIONAL FOUNDATION

ARLINGTON, VA · 2024

General & Unrestricted

$100,000

GRAND TETON NATIONAL PARK FOUNDATION

MOOSE, WY · 2024

General & Unrestricted

$100,000

SARARA INSTITUTE

DENVER, CO · 2024

General & Unrestricted

$50,000

PACIFIC WILD ALLIANCE

ISSAQUAH, WA · 2024

General & Unrestricted

$50,000

Showing up to 5 of 15 total records — full history available with membership.

Officers & Directors

Dir, Pres Lorin Costolo

Dir, Sec, Treas Richard Costolo

Dir Rose Costolo

Officer compensation and complete director data available with membership.

Top Grant Purposes

General & Unrestricted

$880,000 13 grants

Kelp restoration projects

$50,000 1 grant

To support the Reteti Elephant Sanctuary

$10,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2024	$778K	$505K	$10.3M
2023	$1.6M	$358K	$10.0M
2022	$-3K	$329K	$8.7M
2020	—	—	—

Between 2022 and 2024, reported annual revenue moved from $-3K to $778K, with total assets most recently reported at $10.3M.

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

Grant Geography

Grants from this foundation were reported to recipients in CO, NY, VA, WA, WY.

CONYVAWAWY

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

See the full picture for Costolo Family Foundation

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