The William L Richter Family Foundation

Gave $250K in 2025

New York, New York · EIN 20-3467361 · Private foundation

Grants paid (2025)$250K

Organizations funded1

Typical grant$250,000

Total assets$10M

Half of its grants to organizations were between $250,000 and $250,000.

Funders like this one, matched to your nonprofit

It made more grants in New York than in any other state. The free match starts there. Set your own state and causes to see which of thousands of foundations fit you best.

Find my best-fit funders - free

From the return

How to apply

The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):

Contact	William L Richter
Address	Richter Inv Corp 299 Park Ave, New York NY 10171
Phone	(212) 891-2109
Form and materials	Inquiries to be made to foundation manager, above
Deadlines	Inquiries to be made to foundation manager, above
Restrictions	Inquiries to be made to foundation manager, above

Wording as filed; text the foundation typed in capitals is shown in normal case. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.

What it funds

Share of grant lines on the latest return, classified from the purpose each grant states.

Education1
Faith-Based1

Where it gives

0% of grants went outside New York.

New York1

Where it gives most, by cause

Its largest causes in a single state on the latest return. Each page shows the leading foundations that fund the same cause there, with their largest grants.

Grants paid in tax year 2025

Recipient	Location	Purpose	Amount
The Marfan Foundation	Port Washington, NY	For charitable, religious and educational purposes	$250,000

Giving by year

Tax year	Grants paid	Grant lines
2025	$250,000	1
2024	$1,500,000	6
2023	$100	1

Sources

IRS Form 990-PF, tax year 2025, filed Aug 4, 2026 - IRS e-file batch, object ID 202622169349100307
IRS Tax Exempt Organization Search for EIN 20-3467361
Profile updated Nov 10, 2026

Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.