Private foundation · EIN 52-1708205 · Rockville, Maryland

William J and Sally R Siegel Foundation Ltd

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 12 grants paid, $99K total, median $7,750. 8% of grants stayed in Maryland.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
12
$99K
Median grant
$7,750
Stays in MD
8%
of grants
Deadline
—
Assets
$2.4M

Grants paid in 2025

12 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
Smithsonian InstitutionWashington, DCGeneral contribution$15K
Fios Feminista (int'l Planned Parenthood Fed Western Hemisphere Region)New York, NYGeneral contribution$10K
Planned Parenthood Federation of America IncNew York, NYGeneral contribution$10K
Simon Wiesenthal Centermuseum of ToleranceLos Angeles, CAGeneral contribution$9,000
United States Holocaust Memorial MuseumWashington, DCGeneral contribution$8,500
American Technion SocietyNew York, NYStudent support$8,000
Anti-Defamation League of B'nai B'rithNew York, NYGeneral contribution$7,500
Wamu American UniversityWashington, DCGeneral contribution$7,500
Hillel InternationalWashington, DCGeneral contribution$6,500
JewbelongNew York, NYGeneral contribution$6,000
The Jewish Federation of Greater WashingtonRockville, MDGeneral contributiion$6,000
Mandel JCC of the Palm BeachesPalm Beach Gardens, FLGeneral contribution$5,000

By state: New York 5 · District of Columbia 4 · California 1 · Maryland 1 · Florida 1

About this foundation

William J and Sally R Siegel Foundation Ltd is a private grantmaking foundation in Rockville, Maryland, administered in care of William J Siegal Pres, tax-exempt since 1991. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does William J and Sally R Siegel Foundation Ltd accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does William J and Sally R Siegel Foundation Ltd give each year?

In tax year 2025 it paid $99K across 12 grants, a median of $7,750.

Where does William J and Sally R Siegel Foundation Ltd give?

New York (5 grants), District of Columbia (4 grants), California (1 grants) and elsewhere, per its latest filing.

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