Maas Foundation Inc
Invitation OnlyPewaukee, Wisconsin · EIN 46-1632345 · Private foundation
Grants paid (2025)$136K
Organizations funded38
Typical grant$2,500
Total assets$1.5M
Half of its grants to organizations were between $1,000 and $5,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
78% of grants went outside Wisconsin.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| University of Wisconsin Foundation | Milwaukee, WI | Sonja j maas scholarship - education fund | $20,250 |
| Los Angeles Philharmonic Association | Los Angeles, CA | To further organization's charitable purposes | $10,000 |
| Florida Golf Coast University Foundation | Fort Myers, FL | To advance fgcu and its students institution, philanthropy, and needs | $6,000 |
| Lee Memorial Health System Foundation Inc | Fort Myers, FL | To further organization's charitable purposes | $6,000 |
| Milwaukee Repertory Theater | Milwaukee, WI | To further organization's charitable purposes | $6,000 |
| Colonial Williamsburg Foundation | Williamsburg, VA | To further organizations charitable purposes | $5,000 |
| Kcrw | Santa Monica, CA | To further organization's charitable purposes | $5,000 |
| Medshare | Decatur, GA | To further organization's charitable purposes | $5,000 |
| Noble Network Charter Schools | Chicago, IL | To further organization's charitable purposes | $5,000 |
| American Forests | Washington, DC | To further organization's charitable purposes | $5,000 |
| Metropolitan Family Services | Chicago, IL | To further organization's charitable purposes | $5,000 |
| National Casagal Association for Children | Seattle, WA | To further organization's charitable purposes | $5,000 |
| Arkansas Childrens Hospital | Little Rock, AR | To further organization's charitable purposes | $5,000 |
| Treepeople | Beverly Hills, CA | To further organization's charitable purposes | $5,000 |
| Love & Love Tennis Foundation | Palm Desert, CA | To further organization's charitable purposes | $5,000 |
| Madison Children's Museum | Madison, WI | To further organization's charitable purposes | $5,000 |
| Harry Chapin Food Bank of Southwest Florida | Fort Myers, FL | Food distribution to needy families in sw florida | $4,000 |
| Clinic for the Rehabilitation of Wildlife | Sanibel, FL | To further organization's charitable purposes | $4,000 |
| Girls on the Run of New Orleans | New Orleans, LA | To further organization's charitable purposes | $3,000 |
| Waukesha County Community Foundation | Waukesha, WI | To further organization's charitable purposes | $2,500 |
| Children's Scholarship Fund | New York, NY | To further organization's charitable purposes | $2,500 |
| Reach Rescue | Mundelein, IL | To further organization's charitable purposes | $2,500 |
| Breakthrough T1d | New York, NY | To further organization's charitable purposes | $1,500 |
| Role Model Movement Inc (My Block My Hood My City) | Chicago, IL | Help underprivileged kids lower gun violence and have educational/good experiences | $1,500 |
| Waukesha Free Clinic at Caroll University | Waukesha, WI | Support health and well-being of uninsured, underinsured, low-income people | $1,500 |
| White House Historical Foundation | Washington, DC | To educate the public about the white house and its history | $1,500 |
| Heights Foundation Inc | Fort Myers, FL | Provide educational and social support to underprivileged families | $1,000 |
| The Book Love Foundation | North Conway, NH | Provides classroom libraries to public school teachers who inspire a love of reading | $1,000 |
| Oconomowoc Food Pantry | Oconomowoc, WI | To further organization's charitable purposes | $1,000 |
| Super Scratch Foundation | Lafayette Hill, PA | To further organization's charitable purposes | $1,000 |
| Irwin a and Robert D Goodman Community Center | Madison, WI | Provide youth programs, meals, event spaces, for local community | $750 |
| Greater Chicago Food Depository | Chicago, IL | Support training programs for unemployed or underemployed adults; outreach programs | $500 |
| Paws Chicago | Chicago, IL | To further organization's charitable purposes | $500 |
| Lincoln Park Zoo | Chicago, IL | To further organization's charitable purposes | $500 |
| Lyric Opera of Chicago | Chicago, IL | To further organization's charitable purposes | $500 |
| Phet Interactive Simulations (University of Colorado) | Boulder, CO | To further organization's charitable purposes | $500 |
| University of Wisconsin-Madison | Madison, WI | Terra fund for geoscience | $300 |
| The Against Malaria Foundation | Kansas City, MO | Education and prevention/mitigation | $250 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $135,550 | 38 |
| 2024 | $100,300 | 27 |
| 2023 | $82,000 | 26 |
Sources
- IRS Form 990-PF, tax year 2025, filed Mar 9, 2026 - IRS e-file batch, object ID 202610689349100636
- IRS Tax Exempt Organization Search for EIN 46-1632345
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.