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ARBORETUM FOUNDATION

SEATTLE, WA EIN 91-0613583 EnvironmentC114 501C3 CHARITY
$7.9M
Revenue
17
Filings
$5.6M
Total Grants
38
Grant Records
Latest Financial Summary
Fiscal Year Revenue Expenses Net Assets Contributions
FY ending Jun 2025 $7.9M $3.6M $14.2M $5.1M
Full Financial History
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Key Officers
M
MARIBETH O'CONNOR
PRESIDENT
J
JEFF LEHMAN
TREASURER
J
JOSH DICKSON
SECRETARY
Executive Compensation
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Top Grant Recipients (Teaser)
UNIVERSITY OF WASHINGTON $1.2M
UNIVERSITY OF WASHINGTON $857K
UNIVERSITY OF WASHINGTON $664K
38 total grants · $5.6M total giving
Complete Grants Database
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Filing History
990
FY ending Jun 2025
990T
FY ending Jun 2025
990T
FY ending Jun 2024
990
FY ending Jun 2024
990T
FY ending Jun 2023
990
FY ending Jun 2023
IRS990T
FY ending Jun 2022
990
FY ending Jun 2022
IRS990
FY ending Jun 2021
IRS990
FY ending Jun 2020
990
FY ending Jun 2019
990
FY ending Jun 2018
990
FY ending Jun 2017
990
FY ending Jun 2016
990
FY ending Jun 2015
990
FY ending Jun 2014
990
FY ending Jun 2011
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