Mattaini Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BELLEVUE, WA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $439K in total assets. In 2024, it awarded 13 grants totaling $120K. Net investment income was $41K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$439K
-15.3% YoY
Annual Giving
$120K
+10.1% YoY
Grant Count
13
+0.0% YoY
Avg Grant Size
$9K
+10.1% YoY
Under IRS private-foundation payout rules, Mattaini Family Foundation reported a distributable amount of $37K for 2024 — the minimum it must pay out in qualifying distributions.
About Mattaini Family Foundation
Based on IRS filings
Mattaini Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BELLEVUE, WA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $439K in total assets. In 2024, it awarded 13 grants totaling $120K. Net investment income was $41K.
Focus Areas
Ready to take the next step with Mattaini Family Foundation?
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $439,444 | $518,812 | $619,789 |
| Revenue | $43,688 | $13,931 | $62,994 |
| Expenses | $123,056 | $114,908 | $146,628 |
| Qualifying Distributions | $120,388 | $110,100 | $132,093 |
| Net Investment Income | $41,020 | $16,815 | $48,459 |
| Distributable Amount | $36,603 | $37,048 | $39,205 |
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
51 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Alzheimer's Assoc ($25,000), St Judes Research Hospital ($20,000), Virginia Mason Foundation ($15,000).
| Recipient | Purpose | Amount |
|---|---|---|
| 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. | $25,000 |
| VIRGINIA MASON FOUNDATION SEATTLE, WA | SAME | $15,000 |
| ST JUDES RESEARCH HOSPITAL MEMPHIS, TN | SAME | $20,000 |
| EISENHOWER MEDICAL FOUNDATION RANCHO MIRAGE, CA | SAME | $5,000 |
| FRED HUTCHINSON CANCER RESEARCH SEATTLE, WA | SAME | $10,000 |
| MEDIC ONE SEATTLE, WA | SAME | $10,000 |
| SALVATION ARMY SEATTLE, WA | SAME | $10,000 |
| VETERANS OF FOREIGN WARS MILFORD, NH | SAME | $2,500 |
| UNION GOSPEL MISSION SEATTLE, WA | SAME | $7,500 |
| NORTHWEST HARVEST SEATTLE, WA | SAME | $5,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| BARRY MATTAINI | President | — | — |
| NANCY MATTAINI | Vice President | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Mattaini Family Foundation?
Mattaini Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BELLEVUE, WA. It holds $439K in total assets as of 2024.
How large is Mattaini Family Foundation?
As of 2024, Mattaini Family Foundation holds $439K in total assets with $44K in annual revenue. It awarded 13 grants totaling $120K in 2024.
Where does Mattaini Family Foundation operate?
Mattaini Family Foundation has awarded grants in California, District of Columbia, New Hampshire, Tennessee, Virginia, Washington.
What size grants does Mattaini Family Foundation award?
In 2024, Mattaini Family Foundation awarded 13 grants totaling $120K — an average of about $9K per grant, based on its IRS Form 990 filings.
How much is Mattaini Family Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Mattaini Family Foundation reported a distributable amount of $37K 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 2020–2024.
Explore Open Grants
Browse active grant opportunities in Mattaini Family Foundation's focus areas in our free grants database
Related Funders
Similar funders by location and focus area
Thurgood Marshall PTA
SEATTLE, WA
Assets
$186K
Grants
1
Total Given
$224K
The Hare Bnb Rescue Spa and Boutique
LACEY, WA
Assets
$5K
Grants
1
Total Given
$400
Meadowdale Junior Football
EDMONDS, WA
Assets
$12K
Grants
0
Total Given
—
Cmr Foundation
STANWOOD, WA
Assets
$1.0M
Grants
2
Total Given
$1.5M
Sequim Masonic Lodge Foundation
CARLSBORG, WA
Assets
$1.3M
Grants
12
Total Given
$30K
Foundation House at Northgate
GIG HARBOR, WA
Assets
$223K
Grants
16
Total Given
$159K
Data last updated April 2026. Sourced from IRS Form 990-PF filings.
What could you do with Mattaini Family Foundation on Grantable?
- Assess strategic fit with your organization
- Draft a tailored letter of inquiry
- Find open RFPs from this funder
- Monitor for new funding opportunities
Go from researching Mattaini Family Foundation to a real strategy.