Mattaini Family Foundation
The Mattaini Family Foundation is a private foundation based in Bellevue, Washington. Its 2025 IRS filing is marked as the organization’s final return, so the foundation appears to have wound down or stopped grantmaking.
Mattaini Family Foundation at a glance
In short: Mattaini Family Foundation gave $758K across 12 grants in 2025 (avg $63K), mostly in Washington. 17% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $758,000
- +534.3% vs 2024
- Grants made (2025)
- 12
- -7.7% vs 2024
- Average grant
- $63,167
- +587.2% vs 2024
- Median grant
- $35,500
- New grantees (estimate)
- 17% first-time grantees (2 of 12, 2025; small sample)
- Primary geography
- Washington (86% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Mattaini Family Foundation
- How to Apply
-
The filing names Barry Mattaini as the application contact and says a letter detailing the organization’s charitable work will be accepted. The filing lists a deadline of 0630; that date has passed as of September 29, 2026, and the filing is final.
- Contact
Application contact: Barry Mattaini
Mailing address: 91 Cascade Key, Bellevue, WA 98006
Phone: (206) 920-6657
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Mattaini Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Virginia Mason Foundation ($300K). Together the top 10 received $751K.
Grant Size Distribution
56 grants across all recorded years
The most common grant size was under $50K: 50 grants of 56 (89%).
Geographic Focus
Where this funder awards grants
In 2025, 86% of grant dollars went to recipients in Washington, 13% to recipients in Tennessee, and 1% to recipients in California.
Grant Distribution by State
Share of 2025 grant dollars across all 12 itemized grants.
Cities
Is Mattaini Family Foundation open to new grantees?
17%
first-time grantees, 2025
In 2025, 2 of 12 grantees (17%) were first-time recipients. With only 12 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $4K; repeat grants $75K. How we count
Medians: $4K first-time, $38K repeat.
- 83% of 2025 grantees were also funded in 2024. Method
- Giving grew 496% from 2022 to 2025. Method
- In 2025 it paid out well above its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $109K (2023) to $875K (2021). In 2025 it made 12 grants totaling $758K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Virginia Mason Foundation Seattle, WA | SAME | $300,000 |
| Alzheimer's Assoc Seattle, WA | To support general charitable activities carried on by each charitable organization such as religious, scientific, literary, and educational activities. All charitable organizations who receive grants and/or contributons from the taxpayer are tax exempt organizations qualified under section 501(c)(3) of the code. | $100,000 |
| St Judes Research Hospital Memphis, TN | SAME | $100,000 |
| Fred Hutchinson Cancer Research Seattle, WA | SAME | $100,000 |
| Sound Generations Seattle, WA | SAME | $40,000 |
| Union Gospel Mission Seattle, WA | SAME | $36,000 |
| Salvation Army Seattle, WA | SAME | $35,000 |
| Northwest Harvest Seattle, WA | SAME | $25,000 |
| Medic One Seattle, WA | SAME | $10,000 |
| Eisenhower Medical Foundation Rancho Mirage, CA | SAME | $5,000 |
Ready to take the next step with Mattaini Family Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | — | $319,790 | $759,234 | $758,000 | 12 | $758,308 | $318,864 | $26,108 |
| 2024 | $439,444 | $43,688 | $123,056 | $119,500 | 13 | $120,388 | $41,020 | $36,603 |
| 2023 | $518,812 | $13,931 | $114,908 | $108,500 | 13 | $110,100 | $16,815 | $37,048 |
| 2022 | $619,789 | $62,994 | $146,628 | $127,250 | 10 | $132,093 | $48,459 | $39,205 |
| 2021 | $703,423 | $522,413 | $888,558 | $874,600 | 8 | $878,089 | $511,944 | $67,381 |
| 2020 | $1,069,568 | $170,222 | $533,216 | $521,000 | 7 | — | $161,059 | $77,766 |
| 2019 | $1,432,562 | $96,278 | $152,292 | $138,700 | 14 | — | $86,084 | $90,150 |
Under IRS private-foundation payout rules, Mattaini Family Foundation reported a distributable amount of $26K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The filing does not state a mission for the foundation. Its 2025 grants show support for organizations including medical and research institutions, hunger-relief and social-service organizations, and community organizations.
Among the recipients, Sound Generations says it supports older adults, disabled persons, and caregivers through community connections and accessible services, including food security, transportation, health and wellness, and assistance services. Union Gospel Mission says its mission is to follow Christ in helping people move from homelessness to wholeness.
Grantmaking
In 2025, the foundation gave $758,000 through 12 grants. Grant amounts ranged from $2,000 to $300,000, with a median grant of $35,500. Its largest awards included $300,000 to Virginia Mason Foundation, $100,000 each to Alzheimer’s Association, St. Jude’s Research Hospital, and Fred Hutchinson Cancer Research, and $40,000 to Sound Generations.
The 2025 filing says a letter describing an organization’s charitable work will be accepted. It states that awards are limited to public charities with a section 501(c)(3) exemption letter, while grants to other organizations or individuals may be considered if expenditure responsibility is implemented. Because the filing is marked final, these instructions should not be treated as a current application opportunity.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Barry Mattaini as president and Nancy Mattaini as vice president.
Mattaini Family Foundation is led by Barry Mattaini, President on every filing since 2019; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Barry Mattaini
President
On filings since 2019
No compensation reported
Nancy Mattaini
Vice President
On filings since 2019
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Mattaini Family Foundation
How much does Mattaini Family Foundation give each year?
Mattaini Family Foundation gave $758K across 12 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $120K across 13 grants.
What is Mattaini Family Foundation's typical grant size?
Mattaini Family Foundation's median grant in 2025 was $35,500, and its average grant was $63,167, across 12 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Mattaini Family Foundation that year got $4K on average.
Where does Mattaini Family Foundation give grants?
Mattaini Family Foundation gives mostly in Washington: 86% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Tennessee (13%). The most frequent recipient cities were Seattle, WA (10 grants).
Does Mattaini Family Foundation give general operating support?
Occasionally: 8% of Mattaini Family Foundation's 2025 grants with a stated purpose (1 of 12) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Same" (11 grants).
Who are Mattaini Family Foundation's largest grantees?
Mattaini Family Foundation's largest 2025 grantees include Virginia Mason Foundation ($300,000), Alzheimer's Assoc ($100,000) and St Judes Research Hospital ($100,000), according to its 2025 IRS Form 990-PF. Together they received 66% of its itemized 2025 grant dollars.
What does Mattaini Family Foundation fund?
The filing does not state a mission for the foundation. Its 2025 grants show support for organizations including medical and research institutions, hunger-relief and social-service organizations, and community organizations. See mission & focus areas ↑
How do I apply for a grant from Mattaini Family Foundation?
The filing names Barry Mattaini as the application contact and says a letter detailing the organization’s charitable work will be accepted. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
How much is Mattaini Family Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, Mattaini Family Foundation reported a distributable amount of $26K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Mattaini Family Foundation's EIN?
Mattaini Family Foundation's EIN (Employer Identification Number) is 91-1938648. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 26, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in Mattaini Family Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Mattaini Family Foundation funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/mattaini-family-foundation-morg_1bd04ff3eee641829fe57e736dc05dd7
BibTeX
@misc{grantable_911938648_2026,
author = {{Grantable}},
title = {{Mattaini Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/mattaini-family-foundation-morg_1bd04ff3eee641829fe57e736dc05dd7},
note = {Accessed 2026-10-16. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Mattaini Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Mattaini Family Foundation down — hundreds of funders to go?