ARBORETUM FOUNDATION

EIN: 910613583 501(c)(3) Environment

SEATTLE, WA

Total Revenue
$7,864,410
Total Expenses
$3,622,465
Total Assets
$14,446,067
Net Assets
$14,226,596
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Financial Vulnerability Assessment (Tuckman-Chang)

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Financial Trends

Organization Details

Formation Year
1937
Legal Domicile
WA
Principal Officer
MARIBETH O'CONNOR
Phone
2063254510
Tax Period
2024-07-01 to 2025-06-30

ARBORETUM FOUNDATION, founded in 1937, is a community nonprofit in the Environment sector that reported $7.9M in total revenue in fiscal year 2024. Revenue surged 94% from the prior year, signaling strong growth momentum. The organization ran a surplus of $4.2M, a strong 54% operating margin.

Mission

TO PROMOTE, PROTECT, AND ENHANCE THE WASHINGTON PARK ARBORETUM FOR CURRENT AND FUTURE GENERATIONS.

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Trantor Score

Financial Health Score (300–850) · Liquidity · Solvency · Sustainability · Efficiency

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Liquidity (40%) • Solvency (30%) • Sustainability (20%) • Efficiency (10%)

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Financial Overview (2024)

Revenue Breakdown

Contributions & Grants $5,108,187
Program Service Revenue $147,589
Investment Income $2,452,993
Other Revenue $155,641
TOTAL REVENUE $7,864,410

Expense Breakdown

Grants Paid $1,004,070
Salaries & Benefits $1,262,156
Fundraising Expenses $587,225
Program Expenses $2,342,808
Other Expenses $1,356,239
TOTAL EXPENSES $3,622,465

Year-over-Year Comparison

2024 2023 Change
Revenue $7,864,410 $4,043,563 +0.9%
Expenses $3,622,465 $3,363,272 +0.1%
Net Income $4,241,945 $680,291 +5.2%
Key Indicators
Grants to Organizations Grants to Individuals Lobbying Political Activity Foreign Activities Donor Advised Fund Schedule B Required
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Financial Health Indicators

Comprehensive financial analysis: Altman Z-Score, liquidity, solvency, sustainability, efficiency, and growth metrics

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Liquidity & Cash Position

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Governance

Voting Members
20
Independent Members
20
Employees
18
Volunteers
550

Governance Policies

Conflict of Interest Policy
Whistleblower Policy
Document Retention Policy

Special Practices & Reported Activities

Operated a School
Operated a Hospital
Provided First Class Travel
Reported Conflict of Interest
Reported Asset Diversion
Excess Benefit Transaction
Made Political Expenditures
Engaged in Lobbying
Operated Donor Advised Fund
Maintained Art Collections
Filed Form 720

Compensation of Officers, Directors & Key Employees

Total Officers
9
$155,280
Total Directors
20
$0
Key Employees
0
$0
Highest Compensated
1
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
MARIBETH O'CONNOR PRESIDENT 10.00
Officer Director
$0 $0 $0
JEFF LEHMAN TREASURER 6.00
Officer Director
$0 $0 $0
JOSH DICKSON SECRETARY 6.00
Officer Director
$0 $0 $0
PETER REES VICE PRESIDENT 4.00
Officer Director
$0 $0 $0
MIKE RILEY VICE PRESIDENT 4.00
Officer Director
$0 $0 $0
ALISSA RUPP VICE PRESIDENT 4.00
Officer Director
$0 $0 $0
SCOTT LINDSAY VICE PRESIDENT 4.00
Officer Director
$0 $0 $0
JOHN REED VICE PRESIDENT 2.00
Officer Director
$0 $0 $0
THATCHER BAILEY BOARD MEMBER 2.00
Director
$0 $0 $0
SHAUN CORRY BOARD MEMBER 2.00
Director
$0 $0 $0
JOAQUIN HERNANDEZ BOARD MEMBER 2.00
Director
$0 $0 $0
LARRY HUBBELL BOARD MEMBER 2.00
Director
$0 $0 $0
BARBARA JACOBSON BOARD MEMBER 2.00
Director
$0 $0 $0
VIRGINIA KORYCKI BOARD MEMBER 2.00
Director
$0 $0 $0
BILL MCGEE BOARD MEMBER 2.00
Director
$0 $0 $0
GLENN PINQUL BOARD MEMBER 2.00
Director
$0 $0 $0
LISA VASSER BOARD MEMBER 2.00
Director
$0 $0 $0
MISSY WARD BOARD MEMBER 2.00
Director
$0 $0 $0
KARA WEAVER BOARD MEMBER 2.00
Director
$0 $0 $0
BARBARA WRIGHT BOARD MEMBER 2.00
Director
$0 $0 $0
JANE STONECIPHER EXECUTIVE DIRECTOR THROUGH DECEMBER 40.00
Officer
$150,784 $4,496 $155,280
CLARE HAUSMANN ADVANCEMENT DIRECTOR 40.00
Highest
$127,170 $25,471 $152,641
Note: Compensation data is self-reported by the organization on their Form 990. "Reportable Comp" includes salary, bonuses, and other reportable compensation from the organization and related organizations. "Other Comp" includes benefits, deferred compensation, and non-taxable benefits.

Historical Data

Year Revenue Expenses Assets Net Income
2025 $7,864,410 $3,622,465 $14,446,067 $4,241,945
2024 $4,043,563 $3,363,272 $11,699,187 $680,291
2023 $4,785,446 $2,906,886 $10,433,351 $1,878,560
2022 $4,956,558 $2,837,334 $8,009,608 $2,119,224
2021 $2,456,689 $1,885,963 $6,821,589 $570,726
2020 $1,607,358 $1,864,205 $5,481,104 $-256,847
2019 $3,193,213 $1,793,010 $5,665,575 $1,400,203
2018 $1,732,743 $1,509,158 $4,285,305 $223,585
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