Private Foundation

TREELINE FOUNDATION

TREELINE FOUNDATION, of SEATTLE, WA, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2024 filing shows $1.1M in revenue, $1.2M in expenses, $750K in total assets. IRS filings disclose 359 grants awarded by this foundation, totaling roughly $11.2M.

EIN: 462216403 SEATTLE, WA Latest filing: 2024

Total Revenue$1.1M

Total Expenses$1.2M

Total Assets$750K

Grants Given359

Grant Total$11.2M

Filing Years2020–2024

Sample Grants Given

YMCA OF GREATER SEATTLE

SEATTLE, WA · 2024

TO PROVIDE GENERAL OPERATING SUPPORT AND SUPPORT OF THE SOCIAL IMPACT CENTER

$110,000

SIGHTLINE INSTITUTE

SEATTLE, WA · 2024

TO SUPPORT EFFORTS TO ADDRESS CLIMATE CHANGE

$100,000

WASHINGTON TRAILS ASSOCIATION

SEATTLE, WA · 2024

GENERAL OPERATING SUPPORT, WITH SPECIAL INTEREST IN OLT PROGRAM

$100,000

350ORG

BOSTON, MA · 2024

TO PROVIDE GENERAL OPERATING SUPPORT

$75,000

THE SIERRA CLUB FOUNDATION

OAKLAND, CA · 2024

TO SUPPORT OF THE OUTDOORS FOR ALL PROGRAM

$75,000

Showing up to 5 of 359 total records — full history available with membership.

Officers & Directors

DIRECTOR Andrew Mckibben

DIRECTOR Carol Driver

DIRECTOR/OFFICER Craig Mckibben

DIRECTOR Jasmine Gervais

DIRECTOR John Gould

DIRECTOR Leslie Merner Duke

Officer compensation and complete director data available with membership.

Top Grant Purposes

TO PROVIDE GENERAL OPERATING SUPPORT

$4,908,333 228 grants

TO SUPPORT THE CLIMATE AND SCIENCE STRATEGIES OF THE "ROCK OUR WORLD" CAMPAIGN

$1,002,000 3 grants

TO SUPPORT EFFORTS TO ADDRESS CLIMATE CHANGE

$700,000 7 grants

TO SUPPORT THE BOLD/GOLD PROGRAM

$420,000 4 grants

TO SUPPORT ICO WITH $75,000 AND ADDRESS CLIMATE CHANGE WITH $35,000

$405,000 4 grants

Financial Trends

Year	Revenue	Expenses	Assets
2024	$1.1M	$1.2M	$750K
2023	$1.1M	$1.2M	$809K
2022	$1.1M	$1.3M	$918K
2021	$1.6M	$1.6M	$1.1M
2020	$2.4M	$1.8M	$1.1M

Between 2020 and 2024, reported annual revenue declined from $2.4M to $1.1M (-53%), with total assets most recently reported at $750K.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in AZ, CA, CO, DC, GA, MA, and 4 other states.

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Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for TREELINE FOUNDATION

Complete financials, all 359 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports