The Aldarra Foundation
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.
Key facts about The Aldarra Foundation
- EIN
- 46-0512048
- Latest 990 filing
- Form 990-PF, 2024
- Annual giving (2024)
- $100,000,000
- Grants made (2024)
- 14
- Average grant
- $7,142,857
- Median grant
- $2,175,000
- New grantees (estimate)
- 0% first-time grantees (0 of 14, 2024)
- Primary geography
- Washington (98% of itemized 2024 grant dollars)
- Accepts unsolicited proposals
- No
Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Aldarra Foundation funds
By grant dollars, the top recipient states for The Aldarra Foundation's 14 itemized 2024 grants were Washington (98%). The most frequent recipient cities were Seattle, WA (10 grants). None of its 14 grants with a stated purpose were described as general or operating support. Recurring purposes include "Various Projects" (14 grants).
Is The Aldarra Foundation open to new grantees?
0%
first-time grantees, 2024
In 2024, 0 of 14 grantees (0%) were first-time recipients. How we count
Estimate from itemized IRS Form 990-PF grant lists (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Next steps with The Aldarra Foundation
- How to evaluate The Aldarra Foundation as a funder
Our grant prospecting guide: read the 990-PF, check fit, and decide whether to apply.
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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
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
Share of all 14 itemized 2024 grant dollars.
States
Cities
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 |
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
86 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest recipients include Museum of Flight Foundation ($51,000,000), Seattle Children's Hospital ($26,000,000), Arboretum Foundation ($2,200,000).
| Recipient | Purpose | Amount |
|---|---|---|
| MUSEUM OF FLIGHT FOUNDATION Seattle, WA | VARIOUS PROJECTS | $51,000,000 |
| SEATTLE CHILDREN'S HOSPITAL Seattle, WA | VARIOUS PROJECTS | $26,000,000 |
| ARBORETUM FOUNDATION Seattle, WA | VARIOUS PROJECTS | $2,200,000 |
| CANINE COMPANIONS FOR INDEPENDENCE Santa Rosa, CA | VARIOUS PROJECTS | $2,200,000 |
| CASCADE PUBLIC MEDIA Seattle, WA | VARIOUS PROJECTS | $2,200,000 |
| FRED HUTCHINSON CANCER RESEARCH Seattle, WA | VARIOUS PROJECTS | $2,200,000 |
| MARYS PLACE SEATTLE Seattle, WA | VARIOUS PROJECTS | $2,175,000 |
| MEDIC ONE FOUNDATION Seattle, WA | VARIOUS PROJECTS | $2,175,000 |
| SEATTLE'S UNION GOSPEL MISSION Seattle, WA | VARIOUS PROJECTS | $2,150,000 |
| UW FOUNDATION Seattle, WA | VARIOUS PROJECTS | $1,900,000 |
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
No officer or director reported compensation in the available filings.
From 2024 IRS filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Bradford L Barnard | Director & President | 3 | — |
| Michael Hallman | Director | 3 | — |
| Don W Coombs | Director, Secretary & Treasurer | 3 | — |
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.
Does The Aldarra Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
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Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.