Maas Foundation Inc

EIN 46-1632345 · WI · NTEE T22

Invitation only Typical grant ~$2.8K Funds in WI, CA, FL +12
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Giving Profile

In 2025, Maas Foundation Inc based in WI paid 38 grants totaling $135.6K to 38 organizations across 15 states. Individual grants ranged from $250 to $20.3K, with a median of $2.8K. Its largest recipients included UNIVERSITY OF WISCONSIN FOUNDATION, LOS ANGELES PHILHARMONIC ASSOCIATION, and FLORIDA GOLF COAST UNIVERSITY FOUNDATION. The foundation does not accept unsolicited applications — giving is by invitation only.

Foundation at a Glance

Total assets
$1,424,250
Giving (latest yr)
$135,550
Filing year
2025
Itemized grants
38
Median grant
$2.8K
Recipients
38
States reached
15
Officers/trustees
4
Unsolicited applications
No — invitation only

Where the Money Goes

Top recipients

  • University of Wisconsin Foundation$20,250
  • Los Angeles Philharmonic Association$10,000
  • Florida Golf Coast University Foundation$6,000
  • Lee Memorial Health System Foundation Inc$6,000
  • Milwaukee Repertory Theater$6,000

Where grants went

  • Wisconsin$37,300 · 8 grants
  • California$25,000 · 4 grants
  • Florida$21,000 · 5 grants
  • Illinois$16,000 · 8 grants
  • District of Columbia$6,500 · 2 grants
  • Georgia$5,000 · 1 grant

Grants Paid (38)

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
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
Florida Golf Coast University Foundation
Fort Myers, FL
To Advance Fgcu and Its Students Institution, Philanthropy, and Needs
$6,000
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
Madison Children's Museum
Madison, WI
To Further Organization's Charitable Purposes
$5,000

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FAQFrequently Asked Questions

No. Maas Foundation Inc does not accept unsolicited applications — its grantmaking is by invitation only. Cultivating a relationship or securing an introduction is typically required.

In its most recent filing, Maas Foundation Inc reported 38 itemized grants totaling $135.6K. Individual grants ranged from $250 to $20.3K (median $2.8K).

Recent recipients include UNIVERSITY OF WISCONSIN FOUNDATION, LOS ANGELES PHILHARMONIC ASSOCIATION, FLORIDA GOLF COAST UNIVERSITY FOUNDATION, among 38 organizations in total. The full grant list is on this page.

Maas Foundation Inc is a private foundation based in Wisconsin, per its IRS 990-PF filing.

Maas Foundation Inc gives by invitation only, so there is no open application. Officer and address details from its 990-PF are the best starting point for an introduction.

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