The California State Capitol

Form 990-PFTax year 2025EIN 27-0965935

Rosenberg Ach Foundation

A private foundation in San Francisco, CA. Its return for tax year 2025 lists 25 grants and $551,387 paid in grants.

Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $551,387

    Grants listed
    25
    Assets, end of year
    $10,742,676
  • Tax year 2024

    $475,600

    Grants listed
    19
    Assets, end of year
    $10,544,409
  • Tax year 2023

    $503,240

    Grants listed
    18
    Assets, end of year
    $10,536,351
  • Tax year 2022

    $483,348

    Grants listed
    19
    Assets, end of year
    $7,204,734
  • Tax year 2021

    $366,000

    Grants listed
    5
    Assets, end of year
    $7,386,536
  • Tax year 2020

    $430,026

    Grants listed
    14
    Assets, end of year
    $6,989,458
  • Tax year 2019

    $656,600

    Grants listed
    36
    Assets, end of year
    $7,159,303
  • Tax year 2018

    $435,100

    Grants listed
    31
    Assets, end of year
    $6,896,566

Grants paid in 2025

25 grants, largest first

As listed on the return.

  1. UCSF FoundationSan Francisco, CA

    Health

    $230,000
  2. The Nature ConservancyArlington, VA

    Environmental

    $86,000
  3. Cal TroutSan Francisco, CA

    Environmental

    $54,730
  4. Trout UnlimitedChandler, AZ

    Environmental

    $40,000
  5. San Francisco Friends SchoolSan Francisco, CA

    The Arts

    $30,000
  6. Reproductive Freedom for All (NARAL)Washington, DC

    Health

    $20,000
  7. Public Policy Institute of CaliforniaSan Francisco, CA

    Environmental

    $20,000
  8. 10000 DegreesSan Rafael, CA

    Community

    $16,000
  9. Students Rising Above (SRA)San Francisco, CA

    Education

    $10,000
  10. Henry's Fork FoundationAshton, ID

    Environmental

    $5,000
  11. Sustainable ConservationSan Francisco, CA

    Environmental

    $5,000
  12. Greenlight ClinicGreenbrae, CA

    Health

    $5,000
  13. Sweetwater SpectrumSonoma, CA

    Community

    $5,000
  14. Golden State Opportunity FundLos Angeles, CA

    Community

    $5,000
  15. San Francisco Museum of Modern ArtSan Francisco, CA

    The Arts

    $4,600
  16. Alder Graduate School of EducationRedwood City, CA

    Educational

    $2,500
  17. Greenbelt AllianceSan Francisco, CA

    Community

    $2,000
  18. Silver Creek AlliancePicabo, ID

    Environmental

    $2,000
  19. SF Free ClinicSan Francisco, CA

    health

    $2,000
  20. KqedSan Francisco, CA

    Commuity

    $1,500
  21. National Abortion FederationAnnapolis Junction, MD

    Health

    $1,057
  22. Salvation ArmySan Francisco, CA

    Commuity

    $1,000
  23. SF - Marin Food BankSan Francisco, CA

    Commuity

    $1,000
  24. Katherine Burke SchoolSan Francisco, CA

    Educational

    $1,000
  25. The Hamlin SchoolSan Francisco, CA

    Educational

    $1,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education4 grants $278,50092% of the total
  2. Arts and culture2 grants $6,1002% of the total
  3. Environment1 grant $5,0002% of the total
  4. Human services1 grant $5,0002% of the total
  5. Mental health1 grant $5,0002% of the total
  6. Philanthropy and grantmaking1 grant $2,000<1% of the total

By State

Grants to organizations with a US address, latest year.

  1. California20 grants $483,330
  2. Arizona1 grant $40,000
  3. District of Columbia2 grants $21,057
  4. Idaho2 grants $7,000

Officers, directors and trustees

2 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Linda Rosenberg AchDIRECTOR;PRESIDENT;SECRETARY Hours 1Pay $0
  • Andrew AchDIRECTOR;TREASURER Hours 1Pay $0

The return

More foundations

Similar foundations

Same main cause (education), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. Children's Brain Disease FoundationSan Francisco, CA 8 grants Preselected only $547,958 giving
  2. The James Graham Johnston and Marcelle Launay Johnston FoundationSan Francisco, CA 4 grants Preselected only $547,000 giving
  3. The John and Katie Hansen Family FoundationSan Francisco, CA 6 grants Preselected only $510,053 giving
  4. Rmlow FoundationSan Francisco, CA 56 grants Preselected only $504,737 giving
  5. The Lindley FoundationSan Francisco, CA 1 grant Accepts applications $500,000 giving