The Mattison Foundation Inc
The Mattison Foundation Inc is a private foundation, based in Jupiter, FL. IRS filing data is available from 2020 through 2023. As of 2023, the organization holds $495K in total assets.
Key facts about The Mattison Foundation Inc
- EIN
- 13-3158167
- Latest 990 filing
- Form 990-PF, 2023
- Total assets
- $494,666
Data from IRS Form 990-PF, 2023; updated September 2026.
Financial Overview
From 2023 IRS Form 990-PF · View filing
Total Assets
$495K
+0.6% YoY
Revenue
$3K
+42.9% YoY
Expenses
$291
-89.7% YoY
Under IRS private-foundation payout rules, The Mattison Foundation Inc reported a distributable amount of $471 for 2023 — the minimum it must pay out in qualifying distributions.
How The Mattison Foundation Inc gives
- In 2022 it paid out 172% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Giving Over Time
Total grant dollars and number of grants per year
In 2020 it made 9 grants totaling $11K.
Grant Insights
How this funder distributes its grants
Grant Size Distribution
9 grants across all recorded years
The most common grant size was under $50K: 9 grants of 9 (100%).
Giving History
Grant recipients and amounts by year
No grants recorded for 2023.
Financial History
Multi-year comparison from IRS filings
| Metric | 2023 | 2022 | 2021 |
|---|---|---|---|
| Total Assets | $494,666 | $491,957 | $492,674 |
| Revenue | $3,000 | $2,100 | — |
| Expenses | $291 | $2,817 | $2,392 |
| Qualifying Distributions | — | $1,250 | $1,050 |
| Distributable Amount | $471 | $728 | $2,468 |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2023
Leadership & Key People
Officers and directors from IRS filings
The Mattison Foundation Inc is led by William C. Mattison Jr., Director & President on every filing since 2020; none of the 3 officers listed in 2023 report compensation.
Officers on the 2023 filing
William C. Mattison Jr.
Director & President
On filings since 2020
1 hr/week
No compensation reported
Joan M. Mattison
Director & Secretary
On filings since 2020
1 hr/week
No compensation reported
Richard C. Wiedenbaum
Director & Treasurer
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2023. "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 The Mattison Foundation Inc
How large is The Mattison Foundation Inc?
The Mattison Foundation Inc reported $495K in total assets on its 2023 IRS Form 990-PF. Its revenue that year was $3K.
Where does The Mattison Foundation Inc operate?
The Mattison Foundation Inc has awarded grants in Alabama, Connecticut, Florida, Maryland, Michigan, Minnesota, New York, Ohio, Virginia.
How much is The Mattison Foundation Inc required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2023, The Mattison Foundation Inc reported a distributable amount of $471 on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is The Mattison Foundation Inc's EIN?
The Mattison Foundation Inc's EIN (Employer Identification Number) is 13-3158167. IRS Form 990 filing data is available on this page for 2020–2023.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
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