Mount Rainier above forested ridges in Washington

Form 990-PFTax year 2025EIN 36-6064770

Pine River Foundation

A private foundation in Seattle, WA. Its return for tax year 2025 lists 27 grants and $60,000 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

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 2025

    $60,000

    Grants listed
    27
    Assets, end of year
    $1,417,044
  • Tax year 2024

    $55,000

    Grants listed
    24
    Assets, end of year
    $1,457,418
  • Tax year 2023

    $50,000

    Grants listed
    22
    Assets, end of year
    $1,451,158
  • Tax year 2022

    $60,000

    Grants listed
    26
    Assets, end of year
    $1,438,045
  • Tax year 2021

    $95,000

    Grants listed
    35
    Assets, end of year
    $1,092,176
  • Tax year 2020

    $85,000

    Grants listed
    29
    Assets, end of year
    $1,008,994
  • Tax year 2019

    $70,000

    Grants listed
    24
    Assets, end of year
    $1,044,341

Grants paid in 2025

27 grants, largest first

As listed on the return.

  1. Swedish Medical Center FoundationSeattle, WA

    To provide support to exempt org

    $5,000
  2. Wood River Land TrustHailey, ID

    To provide support to exempt org

    $5,000
  3. Trout & Salmon FoundationChicago, IL

    To provide support to exempt org

    $4,000
  4. Mary's PlaceSeattle, WA

    To provide support to exempt org

    $3,500
  5. Natural Resources Defense CouncilNew York, NY

    To provide support to exempt org

    $3,500
  6. Nature Conservancy of WashingtonSeattle, WA

    To provide support to exempt org

    $3,500
  7. Idaho Rivers UnitedBoise, ID

    To provide support to exempt org

    $3,000
  8. Long Live the KingsSeattle, WA

    To provide support to exempt org

    $3,000
  9. Washington Water TrustSeattle, WA

    To provide support to exempt org

    $3,000
  10. World Wildlife FundWashington, DC

    To provide support to exempt org

    $3,000
  11. Yellowstone ForeverBozeman, MT

    To provide support to exempt org

    $3,000
  12. Nature Conservancy of WashingtonSeattle, WA

    To provide support to exempt org

    $2,500
  13. Ducks UnlimtedMemphis, TN

    To provide support to exempt org

    $2,000
  14. Seattle Aquarium Annual FundSeattle, WA

    To provide support to exempt org

    $2,000
  15. Birds Connect SeattleSeattle, WA

    To provide support to exempt org

    $1,500
  16. Environmental Defense FundNew York, NY

    To provide support to exempt org

    $1,500
  17. Coral Reef AllianceSan Francisco, CA

    To provide support to exempt org

    $1,000
  18. Evergreen Treatment CenterSeattle, WA

    To provide support to exempt org

    $1,000
  19. Food LifelineSeattle, WA

    To provide support to exempt org

    $1,000
  20. Hawaii Community FoundationHonolulu, HI

    To provide support to exempt org

    $1,000
  21. Hood Canal Salmon Enhancement GroupBelfair, WA

    To provide support to exempt org

    $1,000
  22. Island ConservationSanta Cruz, CA

    To provide support to exempt org

    $1,000
  23. Little Bit Therapeutic Riding FundRedmond, WA

    To provide support to exempt org

    $1,000
  24. Mountains to Sound GreenwaySeattle, WA

    To provide support to exempt org

    $1,000
  25. The Trevor ProjectSan Francisco, CA

    To provide support to exempt org

    $1,000
  26. Union of Concerned ScientistsCambridge, MA

    To provide support to exempt org

    $1,000
  27. WrrapBeaverton, OR

    To provide support to exempt org

    $1,000

Where the money goes

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

  1. Environment9 grants $20,50056% of the total
  2. Animals3 grants $8,00022% of the total
  3. Health1 grant $5,00014% of the total
  4. Food and agriculture1 grant $1,0003% of the total
  5. International aid1 grant $1,0003% of the total
  6. Philanthropy and grantmaking1 grant $1,0003% of the total

By State

Grants to organizations with a US address, latest year.

  1. Washington13 grants $29,000
  2. District of Columbia3 grants $8,000
  3. Idaho2 grants $8,000
  4. Illinois1 grant $4,000
  5. California3 grants $3,000
  6. Montana1 grant $3,000
  7. Tennessee1 grant $2,000
  8. Hawaii1 grant $1,000
  9. Massachusetts1 grant $1,000
  10. Oregon1 grant $1,000

Officers, directors and trustees

4 people as filed

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

  • Louise StumphPRESIDENT/TR Hours 0.5Pay $0
  • Charlie KelloggVP & SECRETA Hours 0.5Pay $0
  • Phoebe AndrewDIRECTOR Hours 0.5Pay $0
  • Gaylord KelloggDIRECTOR Hours 0.5Pay $0

The return

More foundations

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