Funding search · EIN 461632345 · Pewaukee, WI

Maas Foundation

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

116
grants reported
$408,350
total given
2022–2025
filing years
$3,000
median grant

Based on grants this organization reported to the IRS for tax years 20222025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

furtherfamilieseducationstudentspubliceducationalgoodhealth

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Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

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Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

  • University of Wisconsin Foundation4 grants · $81,000
  • Florida Golf Coast University Foundation4 grants · $20,000
  • Harry Chapin Food Bank of Southwest Florida4 grants · $18,000
  • Kcrw4 grants · $17,000
  • Noble Network Charter Schools3 grants · $15,000
  • Colonial Williamsburg Foundation3 grants · $14,000
  • Los Angeles Philharmonic Association2 grants · $13,500
  • Milwaukee Repertory Theater4 grants · $13,000
  • Lee Memorial Health System Foundation2 grants · $11,000
  • Army Emergency Relief3 grants · $10,000

Giving over time

$90,500
2022
$82,000
2023
$100,300
2024
$135,550
2025

Grant history

The 100 largest of 116 grants.

  • $20,500

    University of Wisconsin Foundation · Milwaukee, WI · 2024

    To give financial aid to students to pursue their education dreams without additional hardship in life.

  • $20,250

    University of Wisconsin Foundation · Milwaukee, WI · 2025

    Sonja j maas scholarship - education fund

  • $20,250

    University of Wisconsin Foundation · Milwaukee, WI · 2023

    To give financial aid to students to pursue their education dreams without additional hardship in life.

  • $20,000

    University of Wisconsin Foundation · Milwaukee, WI · 2022

    To give financial aid to students to pursue their education dreams without additional hardship in life.

  • $10,000

    Los Angeles Philharmonic Association · Los Angeles, CA · 2025

    To further organization's charitable purposes

  • $8,000

    Florida Golf Coast University Foundation · Fort Myers, FL · 2023

    To advance fgcu and its students institution, philanthropy, and needs

  • $6,000

    Florida Golf Coast University Foundation · Fort Myers, FL · 2025

    To advance fgcu and its students institution, philanthropy, and needs

  • $6,000

    Lee Memorial Health System Foundation · Fort Myers, FL · 2025

    To further organization's charitable purposes

  • $6,000

    Milwaukee Repertory Theater · Milwaukee, WI · 2025

    To further organization's charitable purposes

  • $6,000

    Harry Chapin Food Bank of Southwest Florida · Fort Myers, FL · 2022

    To further organization's charitable purposes

  • $5,500

    University of Wisconsin Waukesha Foundation · Milwaukee, WI · 2022

    Encourages individuals and organizations to make gifts to the university. Ein: 39-1588785

  • $5,000

    American Forests · Washington, DC · 2025

    To further organization's charitable purposes

  • $5,000

    Arkansas Childrens Hospital · Little Rock, AR · 2025

    To further organization's charitable purposes

  • $5,000

    Colonial Williamsburg Foundation · Williamsburg, VA · 2025

    To further organizations charitable purposes

  • $5,000

    Kcrw · Santa Monica, CA · 2025

    To further organization's charitable purposes

  • $5,000

    Love & Love Tennis Foundation · Palm Desert, CA · 2025

    To further organization's charitable purposes

  • $5,000

    Madison Children'S Museum · Madison, WI · 2025

    To further organization's charitable purposes

  • $5,000

    Medshare · Decatur, GA · 2025

    To further organization's charitable purposes

  • $5,000

    Metropolitan Family Services · Chicago, IL · 2025

    To further organization's charitable purposes

  • $5,000

    National Casagal Association for Children · Seattle, WA · 2025

    To further organization's charitable purposes

  • $5,000

    Noble Network Charter Schools · Chicago, IL · 2025

    To further organization's charitable purposes

  • $5,000

    Treepeople · Beverly Hills, CA · 2025

    To further organization's charitable purposes

  • $5,000

    Colonial Williamsburg Foundation · Williamsburg, VA · 2024

    To further organizations charitable purposes

  • $5,000

    Kcrw · Santa Monica, CA · 2024

    To further organization's charitable purposes

  • $5,000

    Lee Memorial Health System Foundation · Fort Myers, FL · 2024

    To further organization's charitable purposes

  • $5,000

    Legal Aid Chicago · Chicago, IL · 2024

    To further organization's charitable purposes

  • $5,000

    Milwaukee Repertory Theater · Milwaukee, WI · 2024

    To further organization's charitable purposes

  • $5,000

    Noble Network Charter Schools · Chicago, IL · 2024

    To further organization's charitable purposes

  • $5,000

    Nyu College of Dentistry · New York, NY · 2024

    To further organization's charitable purposes

  • $5,000

    Wings Program · Palatine, IL · 2024

    To further organization's charitable purposes

  • $5,000

    Felines · Chicago, IL · 2023

    Adoption center focused on finding home for animals in need

  • $5,000

    Kcrw · Santa Monica, CA · 2023

    To further organization's charitable purposes

  • $5,000

    Noble Network Charter Schools · Chicago, IL · 2023

    To further organization's charitable purposes

  • $5,000

    Waukesha Free Clinic at Caroll University · Waukesha, WI · 2023

    Support health and well-being of uninsured, underinsured, low-income people

  • $5,000

    American Red Cross · Chicago, IL · 2022

    To further organization's charitable purposes

  • $5,000

    Equestrian Connection Nfp · Lake Forest, IL · 2022

    To further organization's charitable purposes

  • $5,000

    Kosciuszko Foundation · New York, NY · 2022

    To further organization's charitable purposes

  • $5,000

    Little John'S Kitchen · Fitchburg, WI · 2022

    To further organization's charitable purposes

  • $5,000

    Samaritan'S Purse · Boone, NC · 2022

    To further organization's charitable purposes

  • $5,000

    Trees for the Future · Silver Spring, MD · 2022

    To further organization's charitable purposes

  • $4,000

    Clinic for the Rehabilitation of Wildlife · Sanibel, FL · 2025

    To further organization's charitable purposes

  • $4,000

    Harry Chapin Food Bank of Southwest Florida · Fort Myers, FL · 2025

    Food distribution to needy families in sw florida

  • $4,000

    Army Emergency Relief · Arlington, VA · 2024

    Assistance to soliders and their families in need

  • $4,000

    Florida Golf Coast University Foundation · Fort Myers, FL · 2024

    To advance fgcu and its students institution, philanthropy, and needs

  • $4,000

    Harry Chapin Food Bank of Southwest Florida · Fort Myers, FL · 2024

    Food distribution to needy families in sw florida

  • $4,000

    Army Emergency Relief · Arlington, VA · 2023

    Assistance to soliders and their families in need

  • $4,000

    Autism Society of America · Rockville, MD · 2023

    Improve lives of all who are impacted by autism

  • $4,000

    Colonial Williamsburg Foundation · Williamsburg, VA · 2023

    To further organizations charitable purposes

  • $4,000

    Harry Chapin Food Bank of Southwest Florida · Fort Myers, FL · 2023

    Food distribution to needy families in sw florida

  • $4,000

    Have Dreams · Evanston, IL · 2023

    Raising awareness of autism and programs to support families of autism

  • $4,000

    Bread of Healing · Milwaukee, WI · 2022

    To further organization's charitable purposes

  • $4,000

    My Block My Hood My City · Chicago, IL · 2022

    To further organization's charitable purposes

  • $4,000

    Paws Chicago · Chicago, IL · 2022

    To further organization's charitable purposes

  • $3,500

    Breakthrough T1d · New York, NY · 2024

    To further organization's charitable purposes

  • $3,500

    Los Angeles Philharmonic Association · Los Angeles, CA · 2024

    To further organization's charitable purposes

  • $3,000

    Girls On the Run of New Orleans · New Orleans, LA · 2025

    To further organization's charitable purposes

  • $3,000

    Medshare · Decatur, GA · 2024

    To further organization's charitable purposes

  • $3,000

    White House Historical Foundation · Washington, DC · 2024

    To educate the public about the white house and its history

  • $3,000

    World Central Kitchen · Washington, DC · 2024

    To further organization's charitable purposes

  • $3,000

    University of Wisconsin Waukesha Foundation · Milwaukee, WI · 2023

    Encourages individuals and organizations to make gifts to the university. Ein: 39-1588785

  • $2,500

    Children'S Scholarship Fund · New York, NY · 2025

    To further organization's charitable purposes

  • $2,500

    Reach Rescue · Mundelein, IL · 2025

    To further organization's charitable purposes

  • $2,500

    Waukesha County Community Foundation · Waukesha, WI · 2025

    To further organization's charitable purposes

  • $2,500

    Providence Farms Foundation · Northfield, IL · 2024

    To further organization's charitable purposes

  • $2,500

    Variety of the Desert · Palm Desert, CA · 2022

    To further organization's charitable purposes

  • $2,000

    American Red Cross · Chicago, IL · 2024

    To further organization's charitable purposes

  • $2,000

    Heights Foundation · Fort Myers, FL · 2023

    Provide educational and social support to underprivileged families

  • $2,000

    Pewaukee High School Booster Club · Pewaukee, WI · 2023

    Sponsor students in the aviation program at pewaukee high school

  • $2,000

    The Book Love Foundation · North Conway, NH · 2023

    Provides classroom libraries to public school teachers who inspire a love of reading

  • $2,000

    Army Emergency Relief · Arlington, VA · 2022

    To further organization's charitable purposes

  • $2,000

    Florida Golf Coast University Foundation · Fort Myers, FL · 2022

    To further organization's charitable purposes

  • $2,000

    Jdrf · New York, NY · 2022

    To further the research for juvenile diabetes. Ein: 23-1907729

  • $2,000

    Kcrw · Santa Monica, CA · 2022

    To further organization's charitable purposes

  • $1,500

    Breakthrough T1d · New York, NY · 2025

    To further organization's charitable purposes

  • $1,500

    Role Model Movement Inc (My Block My Hood My City) · Chicago, IL · 2025

    Help underprivileged kids lower gun violence and have educational/good experiences

  • $1,500

    Waukesha Free Clinic at Caroll University · Waukesha, WI · 2025

    Support health and well-being of uninsured, underinsured, low-income people

  • $1,500

    White House Historical Foundation · Washington, DC · 2025

    To educate the public about the white house and its history

  • $1,500

    Chicago Parks Foundation · Chicago, IL · 2024

    To further organization's charitable purposes

  • $1,500

    Foundation for the Vernon Area District Public Library · Lincolnshire, IL · 2024

    To further organization's charitable purposes

  • $1,500

    Milwaukee Repertory Theater · Milwaukee, WI · 2022

    To further organization's charitable purposes

  • $1,000

    Heights Foundation · Fort Myers, FL · 2025

    Provide educational and social support to underprivileged families

  • $1,000

    Oconomowoc Food Pantry · Oconomowoc, WI · 2025

    To further organization's charitable purposes

  • $1,000

    Super Scratch Foundation · Lafayette Hill, PA · 2025

    To further organization's charitable purposes

  • $1,000

    The Book Love Foundation · North Conway, NH · 2025

    Provides classroom libraries to public school teachers who inspire a love of reading

  • $1,000

    Greater Chicago Food Depository · Chicago, IL · 2024

    Support training programs for unemployed or underemployed adults; outreach programs

  • $1,000

    Helen Keller International · New York, NY · 2024

    Help deliver the essential building blocks of good health, sound nutrition and clear vision

  • $1,000

    La Regional Food Bank · Los Angeles, CA · 2022

    To further organization's charitable purposes

  • $1,000

    River Forest Education Foundation · Elmhurst, IL · 2022

    To further organization's charitable purposes

  • $1,000

    The Next Step · Huntsville, TX · 2022

    To further organization's charitable purposes

  • $900

    Project Als · New York, NY · 2024

    Help in identifying and fund the most promising scientific research to lead to treatments

  • $750

    Irwin a and Robert D Goodman Community Center · Madison, WI · 2025

    Provide youth programs, meals, event spaces, for local community

  • $500

    Greater Chicago Food Depository · Chicago, IL · 2025

    Support training programs for unemployed or underemployed adults; outreach programs

  • $500

    Lincoln Park Zoo · Chicago, IL · 2025

    To further organization's charitable purposes

  • $500

    Lyric Opera of Chicago · Chicago, IL · 2025

    To further organization's charitable purposes

  • $500

    Paws Chicago · Chicago, IL · 2025

    To further organization's charitable purposes

  • $500

    Phet Interactive Simulations (University of Colorado) · Boulder, CO · 2025

    To further organization's charitable purposes

  • $500

    Paws Chicago · Chicago, IL · 2024

    To further organization's charitable purposes

  • $500

    The Against Malaria Foundation · Kansas City, MO · 2024

    Education and prevention/mitigation

  • $500

    Bread of Healing · Milwaukee, WI · 2023

    To further organization's charitable purposes

  • $500

    Helen Keller International · New York, NY · 2023

    Help deliver the essential building blocks of good health, sound nutrition and clear vision

View all 116 grants →

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Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.