Funding search · EIN 462216403 · Seattle, WA
Treeline Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 136
- grants reported
- $3.6M
- total given
- 2022–2024
- filing years
- $20,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Ymca of Greater Seattle3 grants · $330,000
- Sightline Institute3 grants · $300,000
- Washington Trails Association3 grants · $300,000
- Forterra3 grants · $250,000
- The Sierra Club Foundation3 grants · $225,000
- 350org3 grants · $225,000
- Northwest Abortion Access Fund3 grants · $195,000
- The Trust for Public Land3 grants · $75,000
- Fresh Tracks3 grants · $75,000
- Earthgen3 grants · $75,000
Giving over time
Grant history
The 100 largest of 136 grants.
- $110,000
Ymca of Greater Seattle · Seattle, WA · 2024
To provide general operating support and support of the social impact center
- $110,000
Ymca of Greater Seattle · Seattle, WA · 2023
To provide general operating support
- $110,000
Ymca of Greater Seattle · Seattle, WA · 2022
To provide general operating support
- $100,000
Sightline Institute · Seattle, WA · 2024
To support efforts to address climate change
- $100,000
Washington Trails Association · Seattle, WA · 2024
General operating support, with special interest in olt program
- $100,000
Forterra · Seattle, WA · 2023
To provide general operating support
- $100,000
Sightline Institute · Seattle, WA · 2023
To support efforts to address climate change
- $100,000
Washington Trails Association · Seattle, WA · 2023
To provide general operating support
- $100,000
Forterra · Seattle, WA · 2022
To provide general operating support
- $100,000
Sightline Institute · Seattle, WA · 2022
To support efforts to address climate change
- $100,000
Washington Trails Association · Seattle, WA · 2022
To provide general operating support
- $75,000
350org · Boston, MA · 2024
To provide general operating support
- $75,000
The Sierra Club Foundation · Oakland, CA · 2024
To support of the outdoors for all program
- $75,000
350org · Boston, MA · 2023
To provide general operating support
- $75,000
The Sierra Club Foundation · Oakland, CA · 2023
To support ico
- $75,000
350org · Boston, MA · 2022
To provide general operating support
- $75,000
The Sierra Club Foundation · Oakland, CA · 2022
To support ico
- $65,000
Northwest Abortion Access Fund · Portland, OR · 2024
To provide general operating support
- $65,000
Northwest Abortion Access Fund · Eugene, OR · 2023
To support the salary of your new program manager and provide operating support
- $65,000
Northwest Abortion Access Fund · Eugene, OR · 2022
To support the salary of your new program manager and provide operating support
- $50,000
Forterra · Seattle, WA · 2024
To provide general operating support
- $50,000
The Wilderness Society · Washington, DC · 2022
Youth in wilderness program
- $25,000
Benefits Law Center · Seattle, WA · 2024
To provide general operating support
- $25,000
Earthgen · Seattle, WA · 2024
To provide general operating support
- $25,000
Fresh Tracks · Washington, DC · 2024
To provide general operating support
- $25,000
Seattle Shakespeare Company · Seattle, WA · 2024
To provide general operating support
- $25,000
The Trust for Public Land · Los Angeles, CA · 2024
General operating support in tpl's seattle region
- $25,000
Zeno · Seattle, WA · 2024
To provide general operating support
- $25,000
Benefits Law Center · Seattle, WA · 2023
To provide general operating support
- $25,000
Earthgen · Seattle, WA · 2023
To provide general operating support
- $25,000
Fresh Tracks · Washington, DC · 2023
To provide general operating support
- $25,000
Seattle Shakespeare Company · Seattle, WA · 2023
To provide general operating support
- $25,000
The Trust for Public Land · Los Angeles, CA · 2023
To provide general operating support
- $25,000
Zeno · Seattle, WA · 2023
To provide general operating support
- $25,000
Children and Nature Network · Minneapolis, MN · 2022
To provide general operating support
- $25,000
Earthgen · Seattle, WA · 2022
To provide general operating support
- $25,000
Fresh Tracks · Washington, DC · 2022
To provide general operating support
- $25,000
Seattle Shakespeare Company · Seattle, WA · 2022
To provide general operating support
- $25,000
The Trauma Foundation · Bainbridge Island, WA · 2022
To provide general operating support
- $25,000
The Trust for Public Land · Los Angeles, CA · 2022
To provide general operating support
- $25,000
Zeno · Seattle, WA · 2022
To provide general operating support
- $20,000
Casa Latina · Seattle, WA · 2024
To provide general operating support
- $20,000
Desc · Seattle, WA · 2024
To provide general operating support
- $20,000
Islandwood · Bainbridge Island, WA · 2024
To provide general operating support
- $20,000
Mary'S Place · Seattle, WA · 2024
To provide general operating support
- $20,000
National Audubon Society · New York, NY · 2024
To support of audubon washingtons seward park center
- $20,000
Pacific Science Center · Seattle, WA · 2024
To provide general operating support
- $20,000
Plymouth Housing Group · Seattle, WA · 2024
To provide general operating support
- $20,000
Solid Ground · Seattle, WA · 2024
To provide general operating support
- $20,000
Youthcare · Seattle, WA · 2024
To provide general operating support
- $20,000
Ywca Seattle King Snohomish · Seattle, WA · 2024
To support of women experiencing homelessness
- $20,000
Audubon Washington · Seattle, WA · 2023
To provide general operating support
- $20,000
Casa Latina · Seattle, WA · 2023
To provide general operating support
- $20,000
Desc · Seattle, WA · 2023
To provide general operating support
- $20,000
Islandwood · Bainbridge Island, WA · 2023
To provide general operating support
- $20,000
Mary'S Place · Seattle, WA · 2023
To provide general operating support
- $20,000
Pacific Science Center · Seattle, WA · 2023
To provide general operating support
- $20,000
Plymouth Housing Group · Seattle, WA · 2023
To provide general operating support
- $20,000
Seattle First Baptist Church · Seattle, WA · 2023
For green buildings now program
- $20,000
Solid Ground · Seattle, WA · 2023
To provide general operating support
- $20,000
Tiny Trees Preschool · Seattle, WA · 2023
To provide general operating support
- $20,000
Youthcare · Seattle, WA · 2023
To provide general operating support
- $20,000
Ywca Seattle King Snohomish · Seattle, WA · 2023
To help address homelessness in seattle and king county
- $20,000
Audubon Washington · Seattle, WA · 2022
To provide general operating support
- $20,000
Casa Latina · Seattle, WA · 2022
To provide general operating support
- $20,000
Desc · Seattle, WA · 2022
To provide general operating support
- $20,000
Islandwood · Bainbridge Island, WA · 2022
To provide general operating support
- $20,000
Mary'S Place · Seattle, WA · 2022
To provide general operating support
- $20,000
Pacific Science Center · Seattle, WA · 2022
To provide general operating support
- $20,000
Plymouth Housing Group · Seattle, WA · 2022
To provide general operating support
- $20,000
Seattle First Baptist Church · Seattle, WA · 2022
For green buildings now program
- $20,000
Solid Ground · Seattle, WA · 2022
To provide general operating support
- $20,000
Tiny Trees Preschool · Seattle, WA · 2022
To provide general operating support
- $20,000
Youthcare · Seattle, WA · 2022
To provide general operating support
- $20,000
Ywca Seattle King Snohomish · Seattle, WA · 2022
To help address homelessness in seattle and king county
- $17,000
The Vera Project · Seattle, WA · 2023
To provide general operating support and support qtymp
- $17,000
The Vera Project · Seattle, WA · 2022
To provide general operating support and support qtymp
- $15,000
American Alpine Club · Golden, CO · 2024
General operating support, with special interest in reaching younger and more diverse climbers
- $15,000
The Vera Project · Seattle, WA · 2024
To provide general operating support
- $15,000
American Alpine Club · Golden, CO · 2023
To provide general operating support
- $15,000
American Alpine Club · Golden, CO · 2022
To provide general operating support
- $10,000
A Contemporary Theatre · Seattle, WA · 2024
To provide general operating support
- $10,000
Birds Connect Seattle · Seattle, WA · 2024
To support of youth educational programming
- $10,000
Crisis Text Line · New York, NY · 2024
To provide general operating support
- $10,000
Define American · Los Angeles, CA · 2024
To provide general operating support
- $10,000
Northwest Choirs · Seattle, WA · 2024
To provide general operating support
- $10,000
Northwest Film Forum · Seattle, WA · 2024
To support the ultimate citizens video
- $10,000
Northwest Outward Bound · Portland, OR · 2024
To providing general operating support of programming in mazama, wa
- $10,000
Rainier Valley Corps · Seattle, WA · 2024
To support the ageup program
- $10,000
Sawhorse Revolution · Seattle, WA · 2024
To provide general operating support
- $10,000
Seattle Girls School · Seattle, WA · 2024
To provide general operating support
- $10,000
Seattle Repertory Theatre · Seattle, WA · 2024
To support of the public works program
- $10,000
Seattle Symphony · Seattle, WA · 2024
To provide general operating support
- $10,000
The 5 Gyres Institute · Santa Monica, CA · 2024
To provide general operating support
- $10,000
The Mountaineers · Seattle, WA · 2024
To support the mountain workshops program
- $10,000
The Mountains To Sound Greenway Trust · Seattle, WA · 2024
To provide general operating support
- $10,000
Totem Star · Seattle, WA · 2024
To provide general operating support
- $10,000
A Contemporary Theatre · Seattle, WA · 2023
To provide general operating support
- $10,000
Crisis Text Line · New York, NY · 2023
To provide general operating support
- $10,000
Define American · Los Angeles, CA · 2023
To provide general operating support
Who else funds this kind of work
Same state
- Bill & Melinda Gates Foundation13,441 grants · $18.24B
- Pivotal Philanthropies Foundation202 grants · $534.9M
- Seattle Foundation14,012 grants · $457.3M
Similar purposes
- Beth Israel Deaconess Medical Center479 grants · $170.1M
- Jewish United Fund163 grants · $397.9M
- Finger Lakes Performing Provider System174 grants · $95.9M
Similar grant size
- Ohio Child Care Resource and Referral16,278 grants · $1.08B
- Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B
- Paypal Charitable Giving Fund32,081 grants · $1.40B
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.