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Form 990-PFTax year 2024EIN 94-3026662

Barbara and Tom Witter Foundation

A private foundation in San Francisco, CA. Its return for tax year 2024 lists 4 grants and $48,480 paid in grants.

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Tax year 2024 (period ending Jun 30, 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

7 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2024

    $48,480

    Grants listed
    4
    Assets, end of year
    $78,748

  • Tax year 2023

    $14,200

    Grants listed
    2
    Assets, end of year
    $59,067

  • Tax year 2022

    $180,636

    Grants listed
    4
    Assets, end of year
    $56,097

  • Tax year 2021

    $47,500

    Grants listed
    2
    Assets, end of year
    $93,060

  • Tax year 2020

    $38,148

    Grants listed
    3
    Assets, end of year
    $71,533

  • Tax year 2019

    $15,000

    Grants listed
    2
    Assets, end of year
    $78,882

  • Tax year 2018

    $13,500

    Grants listed
    2
    Assets, end of year
    $76,859

Grants paid in 2024

4 grants, largest first

As listed on the return.

  1. University of Nevada Reno FounReno NV, NV

    General

    $24,980
  2. Iota FoundationBerkeley, CA

    General

    $12,500
  3. Thunderbird Lodge Preservation SociIncline Village, NV

    General

    $10,000
  4. Tahoe Lakefront Owners' AssociationTahoe City, CA

    General

    $1,000

Where the money goes

By State

Grants to organizations with a US address, latest year.

  1. Nevada2 grants $34,980
  2. California2 grants $13,500

Officers, directors and trustees

1 person as filed

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

  • Thomas K Witter TrusteeTrustee Hours 0Pay $0

The return

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  4. Arthur Rosenberg FoundationLos Angeles, CA 1 grant Preselected only $48,518 giving
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