Private foundation · EIN 94-1671318 · San Francisco, California

Rock 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: 47 grants paid, $3.7M total, median $20K. 72% of grants stayed in California.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
47
$3.7M
Median grant
$20K
Stays in CA
72%
of grants
Deadline
—
Assets
$51M

Grants paid in 2025

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

RecipientPurposeAmount
Chronicle Season of Sharing FundSan Francisco, CACharitable$1.0M
Syracuse UniversitySyracuse, NYCharitable$500K
Meals on Wheels of San FranciscoSan Francisco, CACharitable$400K
Human Rights FIRSTNew York, NYCharitable$300K
KqedSan Francisco, CACharitable$130K
Commonwealth Club of CaSan Francisco, CACharitable$125K
Go Public SchoolsSacramento, CACharitable$100K
Jewish Vocational & Career CounselingSan Francisco, CACharitable$100K
Tndc - (tenderloin Neighborhood Development Corporation)San Francisco, CACharitable$100K
United Way Bay AreaSan Francisco, CACharitable$100K
Arcs Foundation Scholarship(achievement Rewards for College Scientists)San Francisco, CACharitable$75K
Boys & Girls Clubs of San FranciscoSan Francisco, CACharitable$75K
Oakland School for the ArtsOakland, CAEducational$75K
Clinic By the Bay (volunteers in Medicine - San Francisco)San Francisco, CACharitable$50K
Feeding AmericaChicago, ILCharitable$50K
National Public RadioWashington, DCCharitable$50K
San Francisco Museum of Modern ArtSan Francisco, CACharitable$50K
Theatre Communications Group IncNew York, NYCharitable$50K
University of Washington Law SchoolSeattle, WAEducation$50K
Big Brothers Big Sisters of the Bay AreaOakland, CACharitable$25K
California Academy of SciencesSan Francisco, CACharitable$25K
Glide Memorial (glide Foundation)San Francisco, CACharitable$25K
San Francisco Free ClinicSan Francisco, CACharitable$25K
Litquake FoundationSan Francisco, CACharitable$20K
Nfte Bay Area (network for Teaching Entrepreneurship)New York, NYEducational$20K
Rebuilding TogetherSan Francisco, CACharitable$15K
Caltech (california Institute of Technology)Pasadena, CACharitable$10K
Computer History MuseumMountain View, CACharitable$10K
Golden Gate National Parks ConservancySan Francisco, CACharitable$10K
National AIDS MemorialSan Francisco, CACharitable$10K
Students Rising AboveSan Francisco, CAEducational$10K
UNICEF (united States Fund for UNICEF)New York, NYCharitable$10K
Asian Art Museum Foundation of San FranciscoSan Francisco, CACharitable$5,000
Children's Creativity MuseumSan Francisco, CACharitable$5,000
Community Music CenterSan Francisco, CACharitable$5,000
Compassion & ChoicesLittleton, COCharitable$5,000
Fine Arts MuseumSan Francisco, CACharitable$5,000
Friends & Foundation of the San Francisco Public LibrarySan Francisco, CACharitable$5,000
J Street Education FundWashington, DCEducational$5,000
KdfcLos Angeles, CACharitable$5,000
Planned Parenthood Federation of AmericaNew York, NYCharitable$5,000
Project Open HandSan Francisco, CACharitable$5,000
San Francisco Conservatory of MusicSan Francisco, CACharitable$5,000
PlaygroundBerkeley, CACharitable$1,500
Death With Dignity National CenterPortland, ORCharitable$1,000
Okizu FoundationNovato, CACharitable$1,000
Charity Watch (american Institute of Philanthropy)Chicago, ILCharitable$500

By state: California 34 · New York 6 · District of Columbia 2 · Illinois 2 · Washington 1 · Colorado 1

About this foundation

Rock Foundation is a private grantmaking foundation in San Francisco, California, administered in care of Arthur Rock, tax-exempt since 1968. 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 Rock 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 Rock Foundation give each year?

In tax year 2025 it paid $3.7M across 47 grants, a median of $20K.

Where does Rock Foundation give?

California (34 grants), New York (6 grants), District of Columbia (2 grants) and elsewhere, per its latest filing.

More foundations near San Francisco that accept applications

All in California
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Sergey Brin Family Foundationsince 2015 San Francisco, CA $699M170 grants · 2024 $1.0MPreselected only $4.1B
Gerson Bakar Foundationsince 1984 San Francisco, CA $169M33 grants · 2024 $20KPreselected only $2.5B
James Irvine Foundationsince 1939 San Francisco, CA $154M654 grants · 2024 $10KPreselected only $3.3B
Aphorism Foundationsince 2014 San Francisco, CA $43M27 grants · 2024 $1.0MPreselected only $1.1B
Hellman Foundationsince 2012 San Francisco, CA $43M1 grants · 2024 $43MPreselected only $636M
Charles and Helen Schwab Foundationsince 2001 San Francisco, CA $35M96 grants · 2024 $250KPreselected only $532M
Skoll Foundationsince 2003 San Francisco, CA $45M157 grants · 2024 $100KYes $807M
Shimon Ben Joseph Foundationsince 2005 San Francisco, CA $63M264 grants · 2024 $49KPreselected only $1.4B
Email me matching grants