Treeline Foundation
Seattle, Washington · EIN 462216403 · Private foundation
Based in Seattle, Washington, Treeline Foundation has awarded $9.7M across 319 grants in our index of public IRS filings, with giving recorded as recently as 2024. Its largest grant on record went to The Nature Conservancy in Washington. This profile covers its focus areas, top grant recipients, year-by-year giving, and how a nonprofit should approach it.
What Treeline Foundation funds
Treeline Foundation's giving carries a documented focus on education, environment & conservation, housing & homelessness, youth development.
Populations it has supported include homeless population, women girls, youth pop.
Grant history
The largest grants Bespoke Grants has on record for Treeline Foundation, by amount:
| Recipient | Location | Grant | Year |
|---|---|---|---|
| The Nature Conservancy in Washington TO SUPPORT THE CLIMATE AND SCIENCE STRATEGIES OF THE "ROCK OUR WORLD" CAMPAIGN | Seattle, WA | $334K | 2018 |
| The Nature Conservancy in Washington TO SUPPORT THE CLIMATE AND SCIENCE STRATEGIES OF THE "ROCK OUR WORLD" CAMPAIGN | Seattle, WA | $334K | 2019 |
| The Nature Conservancy in Washington TO SUPPORT THE CLIMATE AND SCIENCE STRATEGIES OF THE "ROCK OUR WORLD" CAMPAIGN | Seattle, WA | $334K | 2017 |
| The Nature Conservancy in Washington TO SUPPORT THE "CLIMATE ACTION IN WASHINGTON" PROGRAM | Seattle, WA | $325K | 2020 |
| YMCA of Greater Seattle TO SUPPORT THE BOLD/GOLD PROGRAM | Seattle, WA | $215K | 2020 |
| The Sierra Club Foundation TO SUPPORT ICO WITH $75,000 AND ADDRESS CLIMATE CHANGE WITH $35,000 | Oakland, CA | $110K | 2017 |
| The Sierra Club Foundation TO SUPPORT ICO WITH $75,000 AND ADDRESS CLIMATE CHANGE WITH $35,000 | Oakland, CA | $110K | 2019 |
| YMCA of Greater Seattle TO PROVIDE GENERAL OPERATING SUPPORT | Seattle, WA | $110K | 2022 |
| The Sierra Club Foundation TO SUPPORT ICO WITH $75,000 AND ADDRESS CLIMATE CHANGE WITH $35,000 | Oakland, CA | $110K | 2018 |
| YMCA of Greater Seattle TO PROVIDE GENERAL OPERATING SUPPORT AND SUPPORT OF THE SOCIAL IMPACT CENTER | Seattle, WA | $110K | 2024 |
| YMCA of Greater Seattle TO PROVIDE GENERAL OPERATING SUPPORT | Seattle, WA | $110K | 2023 |
| Forterra TO PROVIDE GENERAL OPERATING SUPPORT | Seattle, WA | $100K | 2023 |
| Washington Trails Association TO PROVIDE GENERAL OPERATING SUPPORT | Seattle, WA | $100K | 2023 |
| Sightline Institute TO SUPPORT EFFORTS TO ADDRESS CLIMATE CHANGE | Seattle, WA | $100K | 2023 |
| Sightline Institute TO SUPPORT EFFORTS TO ADDRESS CLIMATE CHANGE | Seattle, WA | $100K | 2024 |
Treeline Foundation giving by year
Total grants Bespoke Grants has indexed for each filing year:
How to apply for funding from Treeline Foundation
Treeline Foundation's public IRS filing does not spell out a formal application process. Foundations of this size often give primarily to organizations they already know, so a concise letter of inquiry or a warm introduction is usually the best first contact — not a full proposal.
Is Treeline Foundation the right funder for your nonprofit?
This page shows what Treeline Foundation has funded. Bespoke Grants tells you whether it fits your mission — and finds every other foundation that does. Free, no credit card.
Match my nonprofit to funders →Frequently asked questions about Treeline Foundation
- Does Treeline Foundation accept grant applications?
- Treeline Foundation's public filing does not specify an application process. A brief letter of inquiry or a warm introduction is usually the best first step with a private foundation of this size.
- What does Treeline Foundation fund?
- Treeline Foundation's grants focus on education. Recent recipients include The Nature Conservancy in Washington, The Nature Conservancy in Washington, The Nature Conservancy in Washington. Its full grant history is listed above.
- How much does Treeline Foundation give in grants?
- Treeline Foundation reported $1.8M in grants in its most recent IRS filing (FY2020). Across all years in our data it has awarded $9.7M over 319 grants.
- Where is Treeline Foundation located?
- Treeline Foundation is based in Seattle, Washington. Its IRS employer identification number (EIN) is 462216403.
- How can I find foundations similar to Treeline Foundation?
- Bespoke Grants matches your nonprofit against 225,000+ foundations like Treeline Foundation, ranking each by how well it fits your mission, location, and budget — with the reasoning shown. It is free to search.
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