Mount Rainier above forested ridges in Washington
Foundation Lookup

Form 990-PFTax year 2025EIN 20-4824366

Wenaweser Foundation

A private foundation in Mercer Island, WA. Its return for tax year 2025 lists 39 grants and $62,300 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2025 (period ending Apr 30, 2026), 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

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

  • Tax year 2025

    $62,300

    Grants listed
    39
    Assets, end of year
    $398,931

  • Tax year 2024

    $55,523

    Grants listed
    37
    Assets, end of year
    $411,492

  • Tax year 2023

    $39,900

    Grants listed
    28
    Assets, end of year
    $450,071

  • Tax year 2022

    $30,000

    Grants listed
    13
    Assets, end of year
    $457,152

  • Tax year 2021

    $50,000

    Grants listed
    15
    Assets, end of year
    $467,163

  • Tax year 2020

    $25,000

    Grants listed
    12
    Assets, end of year
    $473,691

Grants paid in 2025

39 grants, largest first

As listed on the return. Grants to individuals show as “Individual”, with purpose and amount only.

  1. HopelinkRedmond, WA

    Help fund organization's general operations

    $10,000
  2. Northwest HarvestSeattle, WA

    Help fund organization's general operations

    $5,000
  3. TreehouseSeattle, WA

    Help fund organization's general operations

    $5,000
  4. Wellspring Family ServicesSeattle, WA

    Help fund organization's general operations

    $5,000
  5. Rainier ScholarsSeattle, WA

    Help fund organization's general operations

    $4,000
  6. Vision HouseRenton, WA

    Help fund organization's general operations

    $4,000
  7. YWCASeattle, WA

    Help fund organization's general operations

    $4,000
  8. National Forest FoundationMissoula, MT

    Help fund organization's general operations

    $3,000
  9. Seattle's Union Gospel MissionSeattle, WA

    Help fund organization's general operations

    $3,000
  10. Solid GroundSeattle, WA

    Help fund organization's general operations

    $3,000
  11. Safe Harbor Free ClinicStanwood, WA

    Help fund organization's general operations

    $2,000
  12. Stanwood Camano Food BankStandwood, WA

    Help fund organization's general operations

    $2,000
  13. Cascade Bicycle ClubSeattle, WA

    Help fund organization's general operations

    $1,000
  14. DRS Without BordersHagerstown, MD

    Help fund organization's general operations

    $1,000
  15. Lawton Elementary PTASeattle, WA

    Help fund organization's general operations

    $1,000
  16. Nature ConservancyMerrifield, VA

    Help fund organization's general operations

    $1,000
  17. Seattle UnitedSeattle, WA

    Help fund organization's general operations

    $1,000
  18. Washington Trails AssociationSeattle, WA

    Help fund organization's general operations

    $1,000
  19. McClure Middle SchoolSeattle, WA

    Help fund organization's general operations

    $1,000
  20. Seattle Humane SocietyBellevue, WA

    Help fund organization's general operations

    $700
  21. March of DimesArlington, VA

    Help fund organization's general operations

    $500
  22. National Wildlife FederationMerrifield, VA

    Help fund organization's general operations

    $500
  23. Arbor Day FoundationLincoln, NE

    Help fund organization's general operations

    $400
  24. Individual

    Help fund organization's general operations

    $400
  25. Planned ParenthoodWashington DC, DC

    Help fund organization's general operations

    $300
  26. American Red CrossSeattle, WA

    Help fund organization's general operations

    $200
  27. ASPCAWashington DC, DC

    Help fund organization's general operations

    $200
  28. Earth JusticeWashington DC, DC

    Help fund organization's general operations

    $200
  29. Environmental Defense FundNew York, NY

    Help fund organization's general operations

    $200
  30. Guiding Dogs for the BlindWashington DC, DC

    Help fund organization's general operations

    $200
  31. Guiding Eyes for the BlindYorktown HTS, NY

    Help fund organization's general operations

    $200
  32. National Park FoundationWashington, DC

    Help fund organization's general operations

    $200
  33. Ocean ConservancyWashington DC, DC

    Help fund organization's general operations

    $200
  34. Sierra ClubOakland, CA

    Help fund organization's general operations

    $200
  35. St Josephs Indian SchoolChamberlain, SD

    Help fund organization's general operations

    $200
  36. World Wildlife FundWashington DC, DC

    Help fund organization's general operations

    $200
  37. St Bonaventure Indian MissionThoreau, NM

    Help fund organization's general operations

    $100
  38. Cascade PBSSeattle, WA

    Help fund organization's general operations

    $100
  39. NDRCMerrifield, VA

    Help fund organization's general operations

    $100

Where the money goes

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

  1. Human services4 grants $19,20054% of the total
  2. Youth development1 grant $5,00014% of the total
  3. Education1 grant $4,00011% of the total
  4. Sports and recreation2 grants $4,00011% of the total
  5. Health2 grants $2,5007% of the total
  6. Environment2 grants $6002% of the total

By State

Grants to organizations with a US address, latest year.

  1. Washington19 grants $53,000
  2. Montana1 grant $3,000
  3. Virginia3 grants $1,600
  4. District of Columbia7 grants $1,500
  5. Maryland2 grants $1,200
  6. Kansas1 grant $500
  7. California2 grants $400
  8. Nebraska1 grant $400
  9. South Dakota1 grant $200
  10. New Mexico1 grant $100

Officers, directors and trustees

4 people as filed

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

  • Joseph C WenaweserPRESIDENT Hours 1Pay $0
  • Craig K WenaweserVICE PRESIDENT Hours 1Pay $0
  • Amy J WenaweserVICE PRESIDENT Hours 0.5Pay $0
  • Gail R WenaweserSECRETARY/TREASURER Hours 0.5Pay $0

The return

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