Treeline Foundation

SEATTLE, WA EIN: 46-2216403

Treeline Foundation is an independent private foundation based in Seattle, Washington. The foundation was established in 2014 and holds tax-exempt status as a 501(c)(3) organization.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

Annual Giving

$1.1M

-6.8% YoY

Grant Count

44

-2.2% YoY

Avg Grant Size

$26K

-4.7% YoY

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation has not provided a formal mission statement. Based on its grantmaking activity, Treeline Foundation supports organizations working in environmental quality, protection, and beautification, as well as community and social impact initiatives.

Grantmaking

Treeline Foundation made 45 grants in 2024. Recent grants include:

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Geographic Focus

Where this funder awards grants

The foundation operates with a focus on the Pacific Northwest, particularly Washington State and the Seattle area.

Grant Distribution by State

11states
+3 more states

Cities

BAINBRIDGE ISLANDBELLEVUEBOSTONBROOKLYNDAVISEUGENEGOLDENLAS CRUCESLOS ANGELESMINNEAPOLISMONICANEW YORKOAKLANDPORTLANDSALISBURYSANTA MONICASEATTLETUCSONWASHINGTONWINTHROP

Financial History

Multi-year comparison from IRS filings

2024 Financial Summary:

  • Total Assets: $750,377
  • Total Revenues: $1,118,563
  • Total Expenses: $1,177,607
  • Number of Employees: 0

The foundation operates with no paid staff.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.1201920202021202220232024
Metric202420232022
Total Assets
Revenue
Expenses
Qualifying Distributions
Net Investment Income
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$444K$888K$1M$2M44 grants201945 grants202040 grants202147 grants202245 grants202344 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

YMCA OF GREATER SEATTLE$110KSIGHTLINE INSTITUTE$100KWASHINGTON TRAILS ASSOCI…$100K350ORG$75KTHE SIERRA CLUB FOUNDATION$75KNORTHWEST ABORTION ACCES…$65KFORTERRA$50KBENEFITS LAW CENTER$25KEARTHGEN$25KFRESH TRACKS$25K

Grant Size Distribution

221 grants across all recorded years

179<$50K22$50–100K18$100–250K2$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Leadership team and compensation from IRS filings

Craig McKibben serves as Director and Officer of the foundation. The foundation is supported by Craig McKibben and Sarah Merner.

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
SARAH MERNERDIRECTOR/OFFICER4
CRAIG MCKIBBENDIRECTOR/OFFICER4
ANDREW MCKIBBENDIRECTOR4
JASMINE GERVAISDIRECTOR4
MARGARET MCKIBBENDIRECTOR4
LESLIE MERNER DUKEDIRECTOR4
JOHN GOULDDIRECTOR4
CAROL DRIVERDIRECTOR4
TYLER BUTTERWORTHDIRECTOR4

Contact Information

  • Address: PO Box 51250, Seattle, WA 98115-1250
  • Telephone: 206-626-6000
  • EIN: 46-2216403

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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