Arboretum Foundation
Seattle, Washington · EIN 910613583 · Private foundation
Arboretum Foundation is a private foundation based in Seattle, Washington. Its most recent IRS Form 990-PF reports $703K in grants paid and $5.5M in total assets. Bespoke Grants tracks 17 individual grants from this funder — $7.8M awarded across 2017–2025 — including its support for education. Below is its full funding profile.
What Arboretum Foundation funds
Arboretum Foundation's giving carries a documented focus on education.
Grant history
The largest grants Bespoke Grants has on record for Arboretum Foundation, by amount:
| Recipient | Location | Grant | Year |
|---|---|---|---|
| University of Washington CAPITAL PROJECTS, MAINTENANCE, EDUCATION, AND OTHER | Seattle, WA | $1.6M | 2024 |
| University of Washington EDUCATION, ARBORISTS, GARDENERS, EQUIPMENT, WOODLAND CREEK BERGER PLAN, WOODLAND CREEK SCHEMATIC, LAKE WASHINGTON BEAUTIFICATION, RHODY GLEN | Seattle, WA | $1.2M | 2022 |
| University of Washington CAPITAL PROJECTS, MAINTENANCE, EDUCATION, AND OTHER | Seattle, WA | $966K | 2025 |
| University of Washington CAPITAL PROJECTS, MAINTENANCE, EDUCATION, AND OTHER | Seattle, WA | $857K | 2023 |
| University of Washington ARBORISTS; EDUCATION; GARDENERS; HERBARIUM; LIBRARY; LAKE WA BLVD BEAUTIFICATION; RHODY GLENN; AZALEA WAY; STORM RECOVERY | Seattle, WA | $664K | 2019 |
| City of Seattle - Seattle Parks and Recreation CAPITAL PROJECTS, MAINTENANCE, EDUCATION, AND OTHER | Seattle, WA | $623K | 2023 |
| University of Washington EDUCATION, ARBORISTS, GARDENERS, EQUIPMENT, WOODLAND CREEK BERGER PLAN, WOODLAND CREEK SCHEMATIC, LAKE WASHINGTON BEAUTIFICATION, RHODY GLEN | Seattle, WA | $581K | 2020 |
| University of Washington ARBORETUM ARBORISTS, EDUCATION, GARDENING, LIBRARY, LAKE WA BLVD BEAUTIFICATION | Seattle, WA | $338K | 2018 |
| University of Washington To Arboretum Arborists and Community Education/Programs, Support Botanical Gardens | Seattle, WA | $244K | 2017 |
| City of Seattle CENTENNIAL GARDEN CAPITAL PROJECT, ENVIRONMENTAL EDUCATION CENTER, LAKE WA BLVD BEAUTIFICATION | Seattle, WA | $225K | 2018 |
| City of Seattle For centennial Garden Capital Project and Japanese Garden Machiai Roof Capital Project | Seattle, WA | $157K | 2017 |
| City of Seattle - Seattle Parks and Recreation REPLACEMENT OF TSUTAKAWA GATES AND IMPROVEMENTS TOWARD JAPANESE GARDEN MEADOW | Seattle, WA | $126K | 2022 |
| City of Seattle JAPANESE GARDEN POND RESTORATION; LAKE WA BLVD BEAUTIFICATION | Seattle, WA | $105K | 2019 |
| City of Seattle - Seattle Parks and Recreation COMPOSTING TOILET, CLUB CAR, JAPANESE GARDEN, POND RESTORATION, OTHER | Seattle, WA | $67K | 2020 |
| City of Seattle - Seattle Parks and Recreation CAPITAL PROJECTS, MAINTENANCE, EDUCATION, AND OTHER | Seattle, WA | $39K | 2025 |
Arboretum Foundation giving by year
Total grants Bespoke Grants has indexed for each filing year:
How to apply for funding from Arboretum Foundation
Arboretum 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. You can review the foundation directly at arboretumfoundation.org.
Is Arboretum Foundation the right funder for your nonprofit?
This page shows what Arboretum 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 Arboretum Foundation
- Does Arboretum Foundation accept grant applications?
- Arboretum 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 Arboretum Foundation fund?
- Arboretum Foundation's grants focus on education. Recent recipients include University of Washington, University of Washington, University of Washington. Its full grant history is listed above.
- How much does Arboretum Foundation give in grants?
- Arboretum Foundation reported $703K in grants in its most recent IRS filing (FY2020). Across all years in our data it has awarded $7.8M over 17 grants.
- Where is Arboretum Foundation located?
- Arboretum Foundation is based in Seattle, Washington. Its IRS employer identification number (EIN) is 910613583.
- How can I find foundations similar to Arboretum Foundation?
- Bespoke Grants matches your nonprofit against 225,000+ foundations like Arboretum 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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