The Aldarra Foundation logo

The Aldarra Foundation

SEATTLE, WA EIN: 46-0512048 Website

The Aldarra Foundation is a private, family foundation established in 2002 by William E. Boeing, Jr. and June A. Boeing, lifelong Seattle residents. Based in Seattle, Washington, the foundation operates as a limited life foundation committed to spending down its assets and awarding final grants in 2025.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

Annual Giving

$100.0M

+24.6% YoY

Grant Count

14

-33.3% YoY

Avg Grant Size

$7.1M

+87.0% YoY

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

Mission & Focus Areas

The Aldarra Foundation is committed to supporting organizations that strengthen the enduring fabric of the Puget Sound region through four primary focus areas:

  • Science Education — particularly aviation and aeronautical history education
  • Advancements in Healthcare — with emphasis on pediatric care and cancer treatment
  • Preservation of Natural Beauty — environmental and landscape conservation
  • Compassion for Animals

Grantmaking

The Aldarra Foundation operates with a highly selective, invitation-only grantmaking model. The foundation does not accept unsolicited grant requests, as grantees have been preselected by the founders.

Grant Range

$69,000 to $51,000,000

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Geographic Focus

Where this funder awards grants

The foundation primarily funds organizations in the Puget Sound region of Washington State, with some activity in California. Specific areas of focus include Seattle, Bellevue, Shoreline, and Sultan, Washington.

Grant Distribution by State

2states

Cities

BELLEVUESANTA ROSASEATTLESHORELINESULTAN

Financial History

Multi-year comparison from IRS filings

Metric Amount
Total Assets $945,503 - $1.4 million
Total Annual Giving (2024) $100,225,000
Total Annual Giving (2023) $80,225,000
Total Revenues (2024) $100,032,269
Total Expenses (2024) $100,038,805
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.120202021202220232024
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$25M$50M$75M$100M11 grants202018 grants202122 grants202221 grants202314 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

MUSEUM OF FLIGHT FOUNDAT…$51.0MSEATTLE CHILDREN'S HOSPI…$26.0MARBORETUM FOUNDATION$2.2MCANINE COMPANIONS FOR IN…$2.2MCASCADE PUBLIC MEDIA$2.2MFRED HUTCHINSON CANCER R…$2.2MMARYS PLACE SEATTLE$2.2MMEDIC ONE FOUNDATION$2.2MSEATTLE'S UNION GOSPEL M…$2.1MUW FOUNDATION$1.9M

Grant Size Distribution

86 grants across all recorded years

1<$50K4$50–100K14$100–250K14$250–500K20$500K–1M26$1–5M7$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Museum of Flight Foundation ($51,000,000), Seattle Children's Hospital ($26,000,000), Arboretum Foundation ($2,200,000).

RecipientPurposeAmount
ARBORETUM FOUNDATION SEATTLE, WAVARIOUS PROJECTS$2,200,000
CANINE COMPANIONS FOR INDEPENDENCE SANTA ROSA, CAVARIOUS PROJECTS$2,200,000
CASCADE PUBLIC MEDIA SEATTLE, WAVARIOUS PROJECTS$2,200,000
FRED HUTCHINSON CANCER RESEARCH SEATTLE, WAVARIOUS PROJECTS$2,200,000
HOPELINK BELLEVUE, WAVARIOUS PROJECTS$1,800,000
MARYS PLACE SEATTLE SEATTLE, WAVARIOUS PROJECTS$2,175,000
MEDIC ONE FOUNDATION SEATTLE, WAVARIOUS PROJECTS$2,175,000
MUSEUM OF FLIGHT FOUNDATION SEATTLE, WAVARIOUS PROJECTS$51,000,000
NORTHWEST SCHOOL FOR DEAF AND HARD-OF-HEARING CHILDREN SHORELINE, WAVARIOUS PROJECTS$600,000
PASADO'S SAFE HAVEN SULTAN, WAVARIOUS PROJECTS$1,600,000

Leadership & Key People

Leadership team and compensation from IRS filings

  • Bradford L. Barnard — Director and President
  • Michael Hallman — Director
  • Don W. Coombs — Director, Secretary, and Treasurer

Directors serve without compensation.

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
BRADFORD L BARNARDDIRECTOR & PRESIDENT3
MICHAEL HALLMANDIRECTOR3
DON W COOMBSDIRECTOR, SECRETARY & TREASURER3

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does The Aldarra Foundation fund?

The Aldarra Foundation is committed to supporting organizations that strengthen the enduring fabric of the Puget Sound region through four primary focus areas: • **Science Education** — particularly aviation and aeronautical history education • **Advancements in Healthcare** — with emphasis on pediatric care and cancer treatment • **Preservation of Natural Beauty** — environmental and landscape conservation • **Compassion for Animals**

How do I apply for a grant from The Aldarra Foundation?

The Aldarra Foundation operates with a highly selective, invitation-only grantmaking model. The foundation does not accept unsolicited grant requests, as grantees have been preselected by the founders. **Grant Activity:** • Annual giving: Approximately $80-100 million • Grant range: $69,000 to $51,000,000 • Number of grants: 18-22 grants annually in recent years • Notable recent recipients include Museum of Flight ($51,000,000), Arboretum Foundation ($2,200,000), and Cascade PBS/KCTS9 ($2,200,0…

Where does The Aldarra Foundation make grants?

The foundation primarily funds organizations in the Puget Sound region of Washington State, with some activity in California. Specific areas of focus include Seattle, Bellevue, Shoreline, and Sultan, Washington.

What size grants does The Aldarra Foundation award?

In 2024, The Aldarra Foundation awarded 14 grants totaling $100.0M — an average of about $7.1M per grant, based on its IRS Form 990 filings.

What is The Aldarra Foundation's EIN?

The Aldarra Foundation's EIN (Employer Identification Number) is 46-0512048. IRS Form 990 filing data is available on this page for 2020–2024.

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

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