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.
The Mattison Foundation Inc at a glance
- Total assets
- $494,666
- +0.6% vs 2022
- Revenue (2023)
- $3,000
- +42.9% vs 2022
- Expenses (2023)
- $291
- -89.7% vs 2022
- Latest 990 filing
- Form 990-PF, 2023 View filing
Data from IRS Form 990-PF, 2023; updated September 2026.
Who The Mattison Foundation Inc funds
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%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
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.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2020 it made 9 grants totaling $11K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Maltz Jupiter Theater Jupiter, FL | Unrestriced Support of the Organization's Mission | $5,000 |
| Order of Malta Assocation New York, NY | Unrestriced Support of the Organization's Mission | $1,300 |
| Cardinal Newman Society Manassas, VA | Unrestriced Support of the Organization's Mission | $1,000 |
| Ewtn Irondale, AL | Unrestriced Support of the Organization's Mission | $1,000 |
| Guest House Lake Orion, MI | Unrestriced Support of the Organization's Mission | $500 |
| Liturgical Press Collegeville, MN | Unrestriced Support of the Organization's Mission | $500 |
| Presentation Ministries Cincinnati, OH | Unrestriced Support of the Organization's Mission` | $500 |
| The Word Among US Frederick, MD | Unrestriced Support of the Organization's Mission | $500 |
| Our Daily Bread Brookfield, CT | Unrestriced Support of the Organization's Mission | $250 |
Ready to take the next step with The Mattison Foundation Inc?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Distributable Amount |
|---|---|---|---|---|---|---|---|
| 2023 | $494,666 | $3,000 | $291 | — | — | — | $471 |
| 2022 | $491,957 | $2,100 | $2,817 | — | — | $1,250 | $728 |
| 2021 | $492,674 | — | $2,392 | — | — | $1,050 | $2,468 |
| 2020 | $495,066 | $10,038 | $24,321 | $10,550 | 9 | — | $1,100 |
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.
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.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2023
Other open foundation grants in Florida
Florida Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in The Mattison Foundation Inc's focus areas in our free grants database
Similar Funders
Funders with grantees in common, and similar funders in Florida
Sacred Family Causes Foundation
Grosse Pointe, MI
Assets
$582K
Grants
5
Total Given
$26K
Richard T & Marianne H Walsh Charitable Tr
Notre Dame, IN
Assets
—
Grants
26
Total Given
$27K
Beautiful Feet Foundation
Canfield, OH
Assets
$1.4M
Grants
8
Total Given
$139K
The John Dykema & Michele Maly-
Spring Lake, MI
The foundation supports charitable organizations working in areas including health research, education, food assistance, homelessness services, and civic and cultural education. Its 2025 grants ranged from $1,000 to $25,000, with a median of $5,000; most funding went to Michigan, with grants also made in other states. It gives only to preselected organizations and does not accept unsolicited requests.
Assets
$5.0M
Grants
55
Total Given
$269K
Mueller Family Foundation
Pennington, NJ
The Mueller Family Foundation supports organizations working in areas such as child health, food assistance, education, cancer support, and community programs. In 2025, it awarded 16 grants totaling $125,000, ranging from $2,000 to $20,000; 96% of grant dollars went to Ohio and 4% to Washington, DC. It funds only preselected organizations and does not accept unsolicited requests.
Assets
$2.6M
Grants
16
Total Given
$125K
George Ball Charity Association
Galveston, TX
Assets
$827K
Grants
5
Total Given
$36K
More similar funders
More Funders in Florida
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from The Mattison Foundation Inc'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.
The Mattison Foundation Inc down — hundreds of funders to go?