funder-graph › Recipients
Who funds Arboretum Foundation
EIN 91-0613583 · Seattle, WA · NTEE C114
Arboretum Foundation of Seattle, WA (EIN 91-0613583) was named as a grant recipient by 55 funders in 192 grants paid totaling $9,682,150 in tax years 2018–2025, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$9,682,150
192 grants paid
Funders
55
distinct grantmakers
Tax years
2018–2025
as reported by funders
Funders
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Grants
The 192 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Donor Advised Charitable Giving Inc | Arboretum Foundation Seattle, WA | A | $109,298 | paid | ENVIRONMENTAL AND ANIMALS | 202611199349300601 |
| 2025 | American Online Giving Foundation Inc | Arboretum Foundation Seattle, WA | A | $47,226 | paid | GENERAL SUPPORT | 202641969349302754 |
| 2025 | American Online Giving Foundation Inc | Arboretum Foundation Seattle, WA | A | $47,226 | paid | GENERAL SUPPORT | 202533509349301608 |
| 2025 | Pendleton and Elisabeth Carey Miller Charitable Foundation | Arboretum Foundation Seattle, WA | B | $41,000 | paid | MILLER SEED VAULT:WA RARE PLANT CARE & CONSERVATION PROGRAM | 202642019349100414 |
| 2025 | Fidelity Investments Charitable Gift Fund | Arboretum Foundation Seattle, WA | A | $36,800 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2025 | Peach Foundation C/O Amy Wilcox | Arboretum Foundation Seattle, WA | B | $30,000 | paid | ENVIRONMENTAL WORK | 202621409349100622 |
| 2025 | Vanguard Charitable Endowment Program | Arboretum Foundation Seattle, WA | A | $15,000 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202621329349306657 |
| 2025 | Pendleton and Elisabeth Carey Miller Charitable Foundation | Arboretum Foundation Seattle, WA | B | $12,650 | paid | GARDEN STEWARDS VOLUNTEER PROGRAM | 202642019349100414 |
| 2025 | Larry Benaroya Family Foundation | Arboretum Foundation Seattle, WA | B | $10,000 | paid | UNRESTRICTED | 202621339349103187 |
| 2025 | Seattle Garden Club Inc | Wa Park Arboretum Foundation Seattle, WA | A | $10,000 | paid | See Schedule I, Part IV For Purpose | 202620509349301542 |
| 2025 | Humanitix USA Limited | Arboretum Foundation Seattle, WA | A | $6,600 | paid | SUPPORT ORGANIZATION | 202621349349303382 |
| 2025 | Janet Wright Ketcham Foundation | Arboretum Foundation Seattle, WA | B | $5,000 | paid | TO PROVIDE SUPPORT TO EXEMPT ORGANIZATION | 202621349349102467 |
| 2025 | The Rouse Family Foundation Inc | Arboretum Foundation Seattle, WA | B | $1,500 | paid | UNRESTRICTED | 202641529349100904 |
| 2025 | Keith & Mary Kay Mccaw Family Found | Arboretum Foundation Seattle, WA | B | $1,000 | paid | PERSERVING ARBORETUM | 202601759349100215 |
| 2025 | Owen M Johnson Family Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | DONATION | 202523189349101687 |
| 2025 | Norman Raab Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | EDUCATION | 202620289349100422 |
| 2025 | Baird Foundation Inc | Arboretum Foundation Seattle, WA | B | $50 | paid | ENVIRONMENT | 202641339349103954 |
| 2024 | The Aldarra Foundation | Arboretum Foundation Seattle, WA | B | $2,200,000 | paid | VARIOUS PROJECTS | 202511429349100401 |
| 2024 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $100,000 | paid | CIVIC AND CULTURAL PROGRAMMING | 202503189349315665 |
| 2024 | William a Looney Family Foundation | Arboretum Foundation Seattle, WA | B | $100,000 | paid | to support the Pavilion Project at the Seattle Japanese Garden | 202532179349100528 |
| 2024 | Donor Advised Charitable Giving Inc | Arboretum Foundation Seattle, WA | A | $95,250 | paid | ENVIRONMENTAL AND ANIMALS | 202541069349300729 |
| 2024 | Islands Fund C/O John Munn | Arboretum Foundation Seattle, WA | B | $70,000 | paid | ENVIRONMENTAL EDUCATION PROGRAMS FOR SCHOOLS | 202523219349103727 |
| 2024 | Farallon Foundation | Arboretum Foundation Seattle, WA | B | $55,000 | paid | Environment Protection | 202512169349100806 |
| 2024 | Fidelity Investments Charitable Gift Fund | Arboretum Foundation Seattle, WA | A | $39,865 | paid | For grant recipient's exempt purposes | 202521349349310887 |
| 2024 | American Online Giving Foundation Inc | Arboretum Foundation Seattle, WA | A | $39,212 | paid | GENERAL SUPPORT | 202530159349302758 |
| 2024 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $30,000 | paid | FOR THE ARBORIST/HORTICULTURE PROGRAM | 202503189349315665 |
| 2024 | Www Foundation | Arboretum Foundation Seattle, WA | B | $30,000 | paid | WASHINGTON PARK ARBORETUM | 202532809349101108 |
| 2024 | Marie Lamfrom Charitable Foundation Trust | Arboretum Foundation Seattle, WA | B | $20,000 | paid | RESTRICTED PROGRAMMING (ROSE GRANT) | 202542329349100914 |
| 2024 | Gs Donor Advised Philanthropy Fund for Wealth Management Inc | Arboretum Foundation Seattle, WA | A | $20,000 | paid | ENVIRONMENT & ANIMAL PROTECTION | 202503109349303645 |
| 2024 | Pendleton and Elisabeth Carey Miller Charitable Foundation | Arboretum Foundation Seattle, WA | B | $12,500 | paid | GARDEN STEWARDS VOLUNTEER PROGRAM. | 202532549349100528 |
| 2024 | Juniper Foundation | Arboretum Foundation Seattle, WA | B | $12,000 | paid | FIDDLEHEADS FOREST SCHOOL | 202503119349101715 |
| 2024 | American Gift Fund | Arboretum Foundation Seattle, WA | A | $10,750 | paid | OPERATIONS | 202523219349320222 |
| 2024 | The Independent Charitable Gift Fund | Arboretum Foundation Seattle, WA | A | $10,190 | paid | GENERAL SUPPORT | 202532249349300028 |
| 2024 | Mightycause Charitable Foundation | Arboretum Foundation Seattle, WA | A | $6,960 | paid | UNRESTRICTED | 202513159349302051 |
| 2024 | The US Charitable Gift Trust | Arboretum Foundation Seattle, WA | A | $6,500 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202533189349305673 |
| 2024 | American Endowment Foundation | Arboretum Foundation Seattle, WA | A | $5,500 | paid | ENVIRONMENTAL | 202513219349310376 |
| 2024 | Vanguard Charitable Endowment Program | Arboretum Foundation Seattle, WA | A | $5,200 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202511349349313096 |
| 2024 | Nolan Family Foundation Inc C/O Agatha C Nolan | The Arboretum Foundation Seattle, WA | B | $5,000 | paid | GENERAL OPERATING | 202530859349100803 |
| 2024 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $3,000 | paid | EQUIPMENT FOR PLANTS FACING CLIMATE THREATS. | 202503189349315665 |
| 2024 | The Alben Foundation | The Arboretum Foundation Seattle, WA | B | $2,000 | paid | CONTINUE FOUNDATION'S MISSION | 202531299349101683 |
| 2024 | Glein Family Foundation | Arboretum Foundation Seattle, WA | B | $2,000 | paid | CONSERVATION AND EDUCATION | 202521289349102807 |
| 2024 | Wyman Youth Trust | Arboretum Foundation Seattle, WA | B | $1,750 | paid | CIVIC | 202533039349101653 |
| 2024 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,500 | paid | TO PROVIDE GENERAL SUPPORT | 202503189349315665 |
| 2024 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,500 | paid | TO PROVIDE GENERAL SUPPORT | 202503189349315665 |
| 2024 | The Rouse Family Foundation Inc | Arboretum Foundation Seattle, WA | B | $1,500 | paid | UNRESTRICTED | 202502409349100715 |
| 2024 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT | 202503189349315665 |
| 2024 | Thurston Charitable Foundation | Arboretum Foundation Seattle Seattle, WA | D | $1,000 | paid | VARIOUS | 202501289349101885 |
| 2024 | Norman Raab Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | EDUCATION | 202510419349101206 |
| 2024 | Raven Trust Fund | Arboretum Foundation Seattle, WA | C | $1,000 | paid | GENERAL SUPPORT FOR ALL PUBLIC CHARITIES | 202523189349103897 |
| 2024 | Owen M Johnson Family Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | DONATION | 202402969349100300 |
| 2024 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT | 202503189349315665 |
| 2024 | Barton Family Foundation | The Arboretum Foundation Seattle, WA | B | $1,000 | paid | GENERAL AND UNRESTRICTED | 202513219349106096 |
| 2024 | Mceachern Foundation-TR | Arboretum Foundation Seattle, WA | B | $750 | paid | GENERAL OPERATING | 202433589349100753 |
| 2024 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $500 | paid | TO PROVIDE GENERAL SUPPORT | 202503189349315665 |
| 2024 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $500 | paid | TO PROVIDE GENERAL SUPPORT | 202503189349315665 |
| 2024 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $500 | paid | ANNUAL FUND CONTRIBUTION | 202503189349315665 |
| 2024 | Norberg Family Foundation | Arboretum Foundation Seattle, WA | B | $500 | paid | FINANCIAL SUPPORT | 202513189349101626 |
| 2024 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $250 | paid | TO PROVIDE GENERAL SUPPORT | 202503189349315665 |
| 2024 | The Journal of Bone and Joint Surgery Inc | Arboretum Foundation Seattle, WA | B | $100 | paid | EMPLOYEE DONATION MATCH | 202513159349100726 |
| 2024 | Baird Foundation Inc | Arboretum Foundation Seattle, WA | B | $50 | paid | ENVIRONMENT | 202501349349104630 |
| 2023 | The Aldarra Foundation | Arboretum Foundation Seattle, WA | B | $1,080,000 | paid | VARIOUS PROJECTS | 202413119349100621 |
| 2023 | The Aldarra Foundation | Arboretum Foundation Seattle, WA | B | $630,000 | paid | VARIOUS PROJECTS | 202413119349100621 |
| 2023 | Islands Fund C/O John Munn | Arboretum Foundation Seattle, WA | B | $70,000 | paid | ENVIRONMENTAL EDUCATION PROGRAMS FOR SCHOOLS | 202413199349100236 |
| 2023 | Schwab Charitable Fund | Arboretum Foundation Seattle, WA | A | $43,242 | paid | ENVIRONMENTAL AND ANIMALS | 202411039349301716 |
| 2023 | Www Foundation | Arboretum Foundation Seattle, WA | B | $40,000 | paid | GENERAL OPERATING SUPPORT | 202423169349102222 |
| 2023 | Fidelity Investments Charitable Gift Fund | Arboretum Foundation Seattle, WA | A | $37,807 | paid | For grant recipient's exempt purposes | 202441369349301334 |
| 2023 | American Online Giving Foundation Inc | Arboretum Foundation Seattle, WA | A | $26,098 | paid | GENERAL SUPPORT | 202410469349300741 |
| 2023 | Farallon Foundation | Arboretum Foundation Seattle, WA | B | $26,000 | paid | Environment Protection | 202403199349103210 |
| 2023 | Peach Foundation C/O Amy Wilcox | Arboretum Foundation Seattle, WA | B | $20,000 | paid | ENVIRONMENTAL WORK | 202433169349100718 |
| 2023 | Mightycause Charitable Foundation | Arboretum Fdn Seattle, WA | A | $16,697 | paid | UNRESTRICTED | 202443169349300034 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $15,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202443139349303424 |
| 2023 | Pendleton and Elisabeth Carey Miller Charitable Foundation | Arboretum Foundation Seattle, WA | B | $12,000 | paid | GARDEN STEWARDS PROGRAM | 202432259349100023 |
| 2023 | American Gift Fund | Arboretum Foundation Seattle, WA | A | $11,000 | paid | OPERATIONS | 202433199349316708 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $10,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202443139349303424 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $10,000 | paid | TO PROVIDE SUPPORT FOR THE ENDOWMENT FUND. | 202443139349303424 |
| 2023 | Gs Donor Advised Philanthropy Fund for Wealth Management Inc | Arboretum Foundation Seattle, WA | A | $8,250 | paid | ENVIRONMENT & ANIMAL PROTECTION | 202413109349303336 |
| 2023 | American Endowment Foundation | Arboretum Foundation Seattle, WA | A | $7,500 | paid | ENVIRONMENTAL | 202442479349301654 |
| 2023 | Vanguard Charitable Endowment Program | Arboretum Foundation Seattle, WA | A | $7,150 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202441359349309439 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $5,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202443139349303424 |
| 2023 | Apex Foundation | Arboretum Foundation Seattle, WA | B | $2,500 | paid | MEMORIAL GIFT | 202413209349104971 |
| 2023 | Glein Family Foundation | Arboretum Foundation Seattle, WA | B | $2,000 | paid | CONSERVATION AND EDUCATION | 202411859349101006 |
| 2023 | The Rouse Family Foundation Inc | Arboretum Foundation Seattle, WA | B | $1,500 | paid | UNRESTRICTED | 202412259349101261 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202443139349303424 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202443139349303424 |
| 2023 | Norman Raab Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | EDUCATION | 202400399349100835 |
| 2023 | Thurston Charitable Foundation | Arboretum Foundation Seattle Seattle, WA | D | $1,000 | paid | VARIOUS | 202441299349102699 |
| 2023 | Owen M Johnson Family Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | Donation | 202313079349100001 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202443139349303424 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202443139349303424 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202443139349303424 |
| 2023 | Raven Trust Fund | Arboretum Foundation Seattle, WA | C | $1,000 | paid | GENERAL SUPPORT FOR ALL PUBLIC CHARITIES | 202433209349106588 |
| 2023 | Keith & Mary Kay Mccaw Family Found | Arboretum Foundation Seattle, WA | B | $1,000 | paid | LAND CONSERVATION | 202442889349100019 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $750 | paid | TO PROVIDE GENERAL SUPPORT. | 202443139349303424 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $500 | paid | TO SUPPORT THE ANNUAL FUND. | 202443139349303424 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $500 | paid | TO SUPPORT THE SEATTLE JAPANESE GARDEN. | 202443139349303424 |
| 2023 | Mceachern Foundation-TR | Arboretum Foundation Seattle, WA | B | $500 | paid | GENERAL OPERATING | 202440169349100004 |
| 2023 | Norberg Family Foundation | Arboretum Foundation Seattle, WA | B | $500 | paid | FINANCIAL SUPPORT | 202403199349105525 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $360 | paid | TO PROVIDE GENERAL SUPPORT. | 202443139349303424 |
| 2023 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $250 | paid | TO PROVIDE GENERAL SUPPORT. | 202443139349303424 |
| 2023 | Steiner-Helsby Family Foundation | Arboretum Foundation Seattle, WA | B | $100 | paid | GENERAL SUPPORT | 202430509349100318 |
| 2023 | Amazonsmile Foundation | Arboretum Foundation Seattle, WA | B | $99 | paid | GENERAL SUPPORT | 202540919349100629 |
| 2022 | The Aldarra Foundation | Arboretum Foundation Seattle, WA | B | $873,985 | paid | VARIOUS ARBORETUM PROGRAMS | 202312129349101101 |
| 2022 | Schwab Charitable Fund | Arboretum Foundation Seattle, WA | A | $480,700 | paid | ENVIRONMENTAL AND ANIMALS | 202330939349300403 |
| 2022 | Fidelity Investments Charitable Gift Fund | Arboretum Foundation Seattle, WA | A | $275,765 | paid | For grant recipient's exempt purposes | 202321309349304807 |
| 2022 | Fidelity Investments Charitable Gift Fund | Arboretum Foundation Seattle, WA | A | $275,765 | paid | For grant recipient's exempt purposes | 202430459349302913 |
| 2022 | Islands Fund C/O John Munn | Arboretum Foundation Seattle, WA | B | $70,000 | paid | ENVIRONMENTAL EDUCATION PROGRAMS FOR SCHOOLS | 202343199349103834 |
| 2022 | Seattle Garden Club Inc | Arboretum Foundation Seattle, WA | A | $30,000 | paid | PROJECT FOR RHODODENDRON GLEN: HEALING AN HISTORIC STREAM AND ENGAGING ALL AGES IN URBAN WATER ECOLOGY . | 202320839349301507 |
| 2022 | American Online Giving Foundation Inc | Arboretum Foundation Seattle, WA | A | $27,649 | paid | GENERAL SUPPORT | 202340469349301209 |
| 2022 | Farallon Foundation | Arboretum Foundation Seattle, WA | B | $26,000 | paid | Environment Protection | 202331359349103143 |
| 2022 | Central Park Conservancy Inc | The Arboretum Foundation Seattle, WA | A | $25,000 | paid | PROGRAM SUPPORT | 202331219349300643 |
| 2022 | Www Foundation | Arboretum Foundation Seattle, WA | B | $20,000 | paid | WASHINGTON PARK ARBORETUM - GENERAL OPERATING SUPPORT | 202303089349100500 |
| 2022 | Mightycause Charitable Foundation | Arboretum Fdn Seattle, WA | A | $18,181 | paid | UNRESTRICTED | 202303109349301135 |
| 2022 | Goldman Sachs Philanthropy Fund | Arboretum Foundation Seattle, WA | A | $12,100 | paid | ENVIRONMENT & ANIMAL PROTECTION | 202312859349302266 |
| 2022 | Pendleton and Elisabeth Carey Miller Charitable Foundation | Arboretum Foundation Seattle, WA | B | $12,000 | paid | GARDEN STEWARDS PROGRAM | 202312229349100036 |
| 2022 | Bainbridge Community Foundation | Arboretum Foundation Seattle, WA | A | $10,000 | paid | GENERAL SUPPORT | 202342979349300504 |
| 2022 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $10,000 | paid | TO PROVIDE GENERAL SUPPORT | 202323149349304782 |
| 2022 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $10,000 | paid | TO PROVIDE GENERAL SUPPORT | 202323149349304782 |
| 2022 | American Endowment Foundation | Arboretum Foundation Seattle, WA | A | $5,000 | paid | ENVIRONMENTAL | 202332499349300338 |
| 2022 | Apex Foundation | Arboretum Foundation Seattle, WA | B | $5,000 | paid | GREATEST NEED/ UNRESTRICTED SUPPORT | 202343199349105204 |
| 2022 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $5,000 | paid | TO PROVIDE GENERAL SUPPORT | 202323149349304782 |
| 2022 | Glein Family Foundation | Arboretum Foundation Seattle, WA | B | $2,500 | paid | CONSERVATION AND EDUCATION | 202302659349100610 |
| 2022 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,800 | paid | TO PROVIDE GENERAL SUPPORT, IN MEMORY OF BARBARA AND JACOB ENGELSTEIN. | 202323149349304782 |
| 2022 | The Rouse Family Foundation Inc | Arboretum Foundation Seattle, WA | B | $1,500 | paid | UNRESTRICTED | 202333199349102848 |
| 2022 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,100 | paid | TO PROVIDE GENERAL SUPPORT | 202323149349304782 |
| 2022 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT | 202323149349304782 |
| 2022 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT | 202323149349304782 |
| 2022 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT | 202323149349304782 |
| 2022 | Raven Trust Fund | Arboretum Foundation Seattle, WA | C | $1,000 | paid | GENERAL SUPPORT FOR ALL PUBLIC CHARITIES | 202303189349103820 |
| 2022 | Thurston Charitable Foundation | Arboretum Foundation Seattle Seattle, WA | D | $1,000 | paid | VARIOUS | 202341229349101749 |
| 2022 | Keith & Mary Kay Mccaw Family Found | Arboretum Foundation Seattle, WA | B | $1,000 | paid | LAND CONSERVATION | 202302069349100430 |
| 2022 | Norman Raab Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | EDUCATION | 202340409349100819 |
| 2022 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $540 | paid | TO PROVIDE GENERAL SUPPORT | 202323149349304782 |
| 2022 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $500 | paid | TO PROVIDE GENERAL SUPPORT | 202323149349304782 |
| 2022 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $500 | paid | TO PROVIDE GENERAL SUPPORT | 202323149349304782 |
| 2022 | Steiner-Helsby Family Foundation | The Arboretum Foundation Seattle, WA | B | $250 | paid | GENERAL SUPPORT | 202322159349100322 |
| 2022 | Amazonsmile Foundation | Arboretum Foundation Seattle, WA | B | $136 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2022 | Chubb Charitable Foundation | Arboretum Foundation Seattle, WA | B | $100 | paid | Matching Gifts | 202343199349103794 |
| 2022 | Chubb Charitable Foundation | Arboretum Foundation Seattle, WA | B | $100 | paid | Matching Gifts | 202343199349103794 |
| 2021 | The Aldarra Foundation | Arboretum Foundation Seattle, WA | B | $585,000 | paid | VARIOUS PROGRAMS | 202211369349103181 |
| 2021 | Schwab Charitable Fund | Arboretum Foundation Seattle, WA | A | $113,404 | paid | ENVIRONMENTAL AND ANIMALS | 202230499349301028 |
| 2021 | American Online Giving Foundation Inc | Arboretum Foundation Seattle, WA | A | $26,640 | paid | GENERAL SUPPORT | 202240469349301419 |
| 2021 | Farallon Foundation | Arboretum Foundation Seattle, WA | B | $26,000 | paid | Environment Protection | 202231379349101503 |
| 2021 | Artsfund | Arboretum Foundation Seattle, WA | A | $20,000 | paid | WASHINGTON STATE COMMERCE NONPROFIT COMMUNITY RELIEF GRANT | 202231829349301363 |
| 2021 | Fidelity Investments Charitable Gift Fund | Arboretum Foundation Seattle, WA | A | $17,075 | paid | For grant recipient's exempt purposes | 202221339349302787 |
| 2021 | Pendleton and Elisabeth Carey Miller Charitable Foundation | Arboretum Foundation Seattle, WA | B | $13,500 | paid | GARDEN STEWARDS PROGRAM AND RHODODENDRON GLEN RENOVATION. | 202231819349100813 |
| 2021 | Henry E & Consuelo S Wenger Foundation Inc | Arboretum Foundation Seattle, WA | B | $10,000 | paid | SUPPORT ARBORIST &TREE CARE PROG ANDENVIR EDUCATION | 202201309349101335 |
| 2021 | The Hugh and Jane Ferguson Foundation | Arboretum Foundation Seattle, WA | B | $7,500 | paid | HEALING A HISTORIC STREAM & COMMUNITY STEWARDS | 202241369349105624 |
| 2021 | Pendleton and Elisabeth Carey Miller Charitable Foundation | Arboretum Foundation Seattle, WA | B | $5,000 | paid | NATIONAL PLANT COLLECTIONS FUND | 202231819349100813 |
| 2021 | Larry Benaroya Family Foundation | Arboretum Foundation Seattle, WA | B | $2,500 | paid | UNRESTRICTED | 202212519349101051 |
| 2021 | Owen M Johnson Family Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | Donationj | 202112959349100201 |
| 2021 | Keith & Mary Kay Mccaw Family Found | Arboretum Foundation Seattle, WA | B | $1,000 | paid | LAND CONSERVATION | 202232289349100623 |
| 2021 | Thurston Charitable Foundation | Arboretum Foundation Seattle Seattle, WA | D | $1,000 | paid | VARIOUS | 202231309349101733 |
| 2021 | Norman Raab Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | EDUCATION | 202230469349100623 |
| 2021 | Steiner-Helsby Family Foundation | The Arboretum Foundation Seattle, WA | B | $250 | paid | GENERAL SUPPORT | 202212279349100731 |
| 2020 | The Aldarra Foundation | Arboretum Foundation Seattle, WA | B | $153,000 | paid | VARIOUS PROGRAMS | 202143199349105359 |
| 2020 | Islands Fund C/O John Munn | Arboretum Foundation Seattle, WA | B | $65,000 | paid | ENVIRONMENTAL EDUCATION PROGRAMS | 202123199349101852 |
| 2020 | Schwab Charitable Fund | Arboretum Foundation Seattle, WA | A | $51,375 | paid | ENVIRONMENTAL AND ANIMALS | 202140489349301804 |
| 2020 | Farallon Foundation | Arboretum Foundation Seattle, WA | B | $36,000 | paid | Environment Protection | 202102079349100815 |
| 2020 | American Online Giving Foundation Inc | Arboretum Foundation Seattle, WA | A | $28,025 | paid | GENERAL SUPPORT | 202120469349300002 |
| 2020 | Fidelity Investments Charitable Gift Fund | Arboretum Foundation Seattle, WA | A | $24,500 | paid | For grant recipient's exempt purposes | 202121359349300427 |
| 2020 | Www Foundation | Arboretum Foundation Seattle, WA | B | $15,000 | paid | GENERAL OPERATING SUPPORT | 202113079349100926 |
| 2020 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $15,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202113029349301626 |
| 2020 | Pendleton and Elisabeth Carey Miller Charitable Foundation | Arboretum Foundation Seattle, WA | B | $13,500 | paid | GARDEN STEWARDS PROGRAM AND CAMELIA COLLECTION AREA IMPROVEMENTS | 202101379349100925 |
| 2020 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $10,000 | paid | SUPPORT ENDOWMENT FUND | 202113029349301626 |
| 2020 | American Gift Fund | Arboretum Foundation Seattle, WA | A | $5,000 | paid | OPERATIONS | 202133199349328193 |
| 2020 | Apex Foundation | Arboretum Foundation Seattle, WA | B | $5,000 | paid | GREATEST NEED/ UNRESTRICTED SUPPORT | 202200299349100500 |
| 2020 | The Lewis Greenwood Foundation | Arboretum Foundation Seattle, WA | B | $2,500 | paid | Charitable | 202132729349101218 |
| 2020 | The Jim and Patty Rouse Charitable Foundation Inc | Arboretum Foundation Seattle, WA | B | $2,500 | paid | UNRESTRICTED | 202133129349101363 |
| 2020 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $2,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202113029349301626 |
| 2020 | Glassybaby White Light Fund | Arboretum Foundation Seattle, WA | B | $2,000 | paid | GENERAL SUPPORT | 202133139349101903 |
| 2020 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,500 | paid | TO PROVIDE GENERAL SUPPORT. | 202113029349301626 |
| 2020 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202113029349301626 |
| 2020 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202113029349301626 |
| 2020 | Larry Benaroya Family Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | UNRESTRICTED | 202132079349101003 |
| 2020 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202113029349301626 |
| 2020 | Keith & Mary Kay Mccaw Family Found | Arboretum Foundation Seattle, WA | B | $1,000 | paid | LAND CONSERVATION | 202102299349100510 |
| 2020 | Lucky Seven Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | Saplings Program | 202102999349100915 |
| 2020 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $1,000 | paid | TO PROVIDE GENERAL SUPPORT. | 202113029349301626 |
| 2020 | Norman Raab Foundation | Arboretum Foundation Seattle, WA | B | $1,000 | paid | EDUCATION | 202110339349100516 |
| 2020 | Raven Trust Fund | Arboretum Foundation Seattle, WA | C | $1,000 | paid | GENERAL SUPPORT FOR ALL PUBLIC CHARITIES | 202143199349100134 |
| 2020 | D&p Roberts Family Foundation | Arboretum Foundation Seattle, WA | B | $500 | paid | General & Unrestricted | 202112529349101301 |
| 2020 | Wyman Youth Trust | Arboretum Foundation Seattle, WA | B | $250 | paid | CIVIC | 202112989349100811 |
| 2020 | Motorola Solutions Foundation | Arboretum Foundation Seattle, WA | B | $210 | paid | General Operating Support | 202112279349100301 |
| 2020 | Amazonsmile Foundation | Arboretum Foundation Seattle, WA | B | $120 | paid | GENERAL SUPPORT | 202113199349100901 |
| 2019 | Schwab Charitable Fund | Arboretum Foundation Seattle, WA | A | $764,150 | paid | ENVIRONMENTAL AND ANIMALS | 202010489349300101 |
| 2019 | Fidelity Investments Charitable Gift Fund | Arboretum Foundation Seattle, WA | A | $22,600 | paid | For grant recipient's exempt purposes | 202041789349301474 |
| 2019 | United Way of King County | Arboretum Foundation Seattle, WA | A | $9,500 | paid | DESIGNATED GIFT | 202001269349301020 |
| 2018 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $10,750 | paid | TO PROVIDE GENERAL SUPPORT. | 201912699349301031 |
| 2018 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $10,500 | paid | TO SUPPORT THE ENDOWMENT. | 201912699349301031 |
| 2018 | Schwab Charitable Fund | Arboretum Foundation Seattle, WA | A | $10,150 | paid | HEALTH & HUMAN SERVICES | 201930459349302018 |
| 2018 | Dudley T Dougherty Foundation Inc | The Arboretum Foundation Seattle, WA | B | $5,000 | paid | Evironmental education | 201933199349102868 |
| 2018 | Seattle Foundation | Arboretum Foundation Seattle, WA | A | $500 | paid | TO SUPPORT THE ANNUAL FUND. | 201912699349301031 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.