Private foundation · EIN 27-0965935 · San Francisco, California · Philanthropy & grantmaking

Rosenberg Ach Foundation

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: 25 grants paid, $551K total, median $5,000. 80% of grants stayed in California.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
25
$551K
Median grant
$5,000
Stays in CA
80%
of grants
Deadline
—
Assets
$11M

Grants paid in 2025

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

RecipientPurposeAmount
UCSF FoundationSan Francisco, CAHealth$230K
The Nature ConservancySan Francisco, CAEnvironmental$86K
Cal TroutSan Francisco, CAEnvironmental$55K
Trout UnlimitedChandler, AZEnvironmental$40K
San Francisco Friends SchoolSan Francisco, CAThe Arts$30K
Reproductive Freedom for All (naral)Washington, DCHealth$20K
Public Policy Institute of CaliforniaSan Francisco, CAEnvironmental$20K
10000 DegreesSan Rafael, CACommunity$16K
Students Rising Above (sra)San Francisco, CAEducation$10K
Henry's Fork FoundationAshton, IDEnvironmental$5,000
Sustainable ConservationSan Francisco, CAEnvironmental$5,000
Greenlight ClinicGreenbrae, CAHealth$5,000
Sweetwater SpectrumSonoma, CACommunity$5,000
Golden State Opportunity FundLos Angeles, CACommunity$5,000
San Francisco Museum of Modern ArtSan Francisco, CAThe Arts$4,600
Alder Graduate School of EducationRedwood City, CAEducational$2,500
Greenbelt AllianceSan Francisco, CACommunity$2,000
Silver Creek AlliancePicabo, IDEnvironmental$2,000
SF Free ClinicSan Francisco, CAhealth$2,000
KqedSan Francisco, CACommuity$1,500
National Abortion FederationWashington, DCHealth$1,057
Salvation ArmySan Francisco, CACommuity$1,000
SF - Marin Food BankSan Francisco, CACommuity$1,000
Katherine Burke SchoolSan Francisco, CAEducational$1,000
The Hamlin SchoolSan Francisco, CAEducational$1,000

By state: California 20 · Arizona 1 · District of Columbia 2 · Idaho 2

About this foundation

Rosenberg Ach Foundation is a private grantmaking foundation in San Francisco, California, administered in care of Linda Rosenberg Ach, tax-exempt since 2010. 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 Rosenberg Ach Foundation 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 Rosenberg Ach Foundation give each year?

In tax year 2025 it paid $551K across 25 grants, a median of $5,000.

Where does Rosenberg Ach Foundation give?

California (20 grants), Arizona (1 grants), District of Columbia (2 grants) and elsewhere, per its latest filing.

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