Mount Rainier above forested ridges in Washington
Foundation Lookup

Form 990-PFTax year 2025EIN 85-1691315

Tide SW Foundation

A private foundation in Seattle, WA. Its return for tax year 2025 lists 7 grants and $129,896 paid in grants.

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

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

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

  • Tax year 2025

    $129,896

    Grants listed
    7
    Assets, end of year
    $2,485,261

  • Tax year 2024

    $174,550

    Grants listed
    5
    Assets, end of year
    $2,275,930

  • Tax year 2023

    $169,350

    Grants listed
    4
    Assets, end of year
    $2,145,003

  • Tax year 2022

    $101,500

    Grants listed
    7
    Assets, end of year
    $2,164,890

  • Tax year 2021

    $105,000

    Grants listed
    4
    Assets, end of year
    $2,132,499

  • Tax year 2020

    $40,000

    Grants listed
    3
    Assets, end of year
    $2,090,739

Grants paid in 2025

7 grants, largest first

As listed on the return.

  1. Western Rivers ConservancyPortland, OR

    Saving western rivers through land acquisition

    $55,000
  2. ForterraSeattle, WA

    Land conservation

    $47,500
  3. Washington's National Park FundSeattle, WA

    Supports national parks in wa state

    $18,000
  4. Grow - Beyers Bulldog GardenSeattle, WA

    Preservation of green space in king county and support community gardens

    $5,396
  5. Cowiche Canyon ConservancyYakima, WA

    Protects shrub-steppe habitat in yakima, wa

    $1,750
  6. Pacific Crest Trail AssociationSacramento, CA

    Protect, maintain, and advocate for the pacific crest trail

    $1,250
  7. Washington's Association of Land TrustsSeattle, WA

    Unified hub for washington's land conservation organizations dedicated to stewardship for public land

    $1,000

Where the money goes

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

  1. Environment1 grant $55,00075% of the total
  2. Sports and recreation1 grant $18,00025% of the total

By State

Grants to organizations with a US address, latest year.

  1. Washington5 grants $73,646
  2. Oregon1 grant $55,000
  3. California1 grant $1,250

Officers, directors and trustees

5 people as filed

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

  • Tim WulfekuhlePRESIDENT/TREASURER Hours 2Pay $0
  • Denise WulfekuhleVICE PRESIDENT/SECRETARY Hours 2Pay $0
  • Ryan BirbeckBOARD MEMBER Hours 1Pay $0
  • Jessica BjurBOARD MEMBER Hours 1Pay $0
  • Emily RoodBOARD MEMBER Hours 1Pay $0

The return

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