The California State Capitol

Form 990-PFTax year 2025EIN 46-4260360

Peter E Sills Family Foundation

A private foundation in Kentfield, CA. Its return for tax year 2025 lists 12 grants and $110,000 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

Accepts applications

The return gives an application contact and rules, as below.

Contact
Peter E Sills
26 Makin Grade
Kentfield, CA 94904
(415) 817-9917
Form and materials
N/A
Deadlines
N/A
Restrictions
N/A

Assets and giving by year

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

    $110,000

    Grants listed
    12
    Assets, end of year
    $691,958
  • Tax year 2024

    $50,000

    Grants listed
    6
    Assets, end of year
    $741,287
  • Tax year 2023

    $27,500

    Grants listed
    3
    Assets, end of year
    $774,664
  • Tax year 2022

    $50,000

    Grants listed
    6
    Assets, end of year
    $803,430
  • Tax year 2021

    $70,400

    Grants listed
    9
    Assets, end of year
    $835,395
  • Tax year 2020

    $23,000

    Grants listed
    2
    Assets, end of year
    $892,260
  • Tax year 2019

    $27,500

    Grants listed
    7
    Assets, end of year
    $901,181
  • Tax year 2018

    $0

    Grants listed
    0
    Assets, end of year
    $922,836

Grants paid in 2025

12 grants, largest first

As listed on the return.

  1. Boys and Girls Club of TracyTracy, CA

    Youth development services and programs

    $30,000
  2. 49ER FoundationSanta Clara, CA

    Youth development services and programs

    $10,000
  3. Painted TurtleSanta Monica, CA

    Youth development / youth development programs, other

    $10,000
  4. Schools Mentoring & Resource TeamSan Francisco, CA

    Education n.e.c.

    $10,000
  5. Oasis for GirlsSan Francisco, CA

    Youth development services and programs

    $10,000
  6. Northern Ca Jewish Sports HallSan Francisco, CA

    Youth development / youth development programs, other

    $10,000
  7. Family House IncSan Francisco, CA

    Health - general and rehabilitative / patient services

    $5,000
  8. George Mark Childrens FundCastro Valley, CA

    Health - general and rehabilitative / health support services

    $5,000
  9. Kik Foundation Kentfield SchoolsKentfield, CA

    Youth development services and programs

    $5,000
  10. Olympic Club FoundationSan Mateo, CA

    Youth development services and programs

    $5,000
  11. Dedication to Special EducationSan Rafael, CA

    Education n.e.c.

    $5,000
  12. Gpii FoundationDanville, CA

    Youth development services and programs

    $5,000

Where the money goes

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

  1. Youth development2 grants $40,00057% of the total
  2. Education2 grants $15,00021% of the total
  3. Health2 grants $10,00014% of the total
  4. Religion1 grant $5,0007% of the total

By State

Grants to organizations with a US address, latest year.

  1. California12 grants $110,000

Officers, directors and trustees

5 people as filed

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

  • Peter E SillsDIRECTOR & CHAIRMAN Hours 0Pay $0
  • Hilary ThakralVP - DEVELOPMENT Hours 0Pay $0
  • David S TallmanDIRECTOR Hours 0Pay $0
  • Denise CastleDIRECTOR Hours 0Pay $0
  • Robert TomaselloDIRECTOR Hours 0Pay $0

The return

More foundations

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

  1. Kundaria Family Resource InstituteArroyo Grande, CA 7 grants Preselected only $108,350 giving
  2. Joseph Shinoda Memorial Scholarship FoundationSanta Barbara, CA 3 grants Accepts applications $112,000 giving
  3. Ronald Newburg FoundationWoodland Hills, CA 24 grants Accepts applications $116,000 giving
  4. Furthur FoundationBerkeley, CA 26 grants Accepts applications $122,000 giving
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