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The Frezados Masius Rieger Foundation

Accepts applications Winnetka, Illinois · EIN 920244624

The Frezados Masius Rieger Foundation is a private foundation in Winnetka, Illinois. In tax year 2025 it gave $207,075 in 40 grants; the typical grant was $2,000 and the largest $50,000. It accepts applications; its filing gives the instructions below.

From its IRS Form 990-PF for tax year 2025.

Giving in 2025 was up from $197,275 the year before.

31% of its 2025 grantees had not received a grant from it the year before, a mix of repeat and new grantees.

Giving by year

Tax yearGrants paidNumber of grantsAssets
2022$00$0
2023$72,20019$4.1 million
2024$197,27531$4.5 million
2025$207,07540$4.8 million

How to apply

ContactKimberly Masius
659 Lincoln Ave, Winnetka, IL 60093
Phone or email(773) 620-4665, kimfrezados@gmail.com
What to submitNo formal application
RestrictionsAwards limited to organizations qualifying under irc 501(c)(3)

As written in the foundation's IRS filing for tax year 2025. Details may have changed since.

IRS filings on ProPublica

What The Frezados Masius Rieger Foundation funds

Where it gives

Its grants went to recipients in 8 states, the most to Illinois.

StateGrantsAmount
Illinois19$94,075
Florida15$52,000
Connecticut1$50,000
Virginia1$5,000
Ohio1$2,500
Wisconsin1$2,000
Missouri1$1,000
Idaho1$500

Grants paid in 2025

All 40 grants
RecipientPurposeAmount
Salisbury School
Salisbury, CT
General$50,000
Wings Program
Palatine, IL
General$33,700
North Shore Country Day School
Winnetka, IL
General$17,500
Hyde Park Day School
Chicago, IL
General$15,000
Pathways Early Education Center
Naples, FL
General$10,000
Naples Community Hospital
Naples, FL
General$7,500
The Winnetka Community House
Winnetka, IL
General$6,500
Individual
IL
General$5,000
Navy Seal Foundation
Virginia, VA
General$5,000
Florida Gulf Coast University
Fort Meyers, FL
General$5,000
Women's Foundation of Collier Count
Naples, FL
General$5,000
The Housing Alliance
Naples, FL
General$5,000
Individual
FL
General$3,000
Guadalupe Center
Immokalee, FL
General$3,000
Hathaway Brown School
Shaker Heights, OH
General$2,500
Artis-Naples
Naples, FL
General$2,500
Winged Foot Scholarship Foundation
Naples, FL
General$2,500
Individual
IL
Pilot light event$2,200
Individual
FL
General$2,000
Red Pine Camp Foundation
Minocqua, WI
General$2,000
The League Club Naples
Naples, FL
General$2,000
National Charity League
Winnetka, IL
General$2,000
New Trier Food Pantry
Winnetka, IL
General$1,500
Shelter for Abused Women Children
Naples, FL
General$1,500
The Ravinia Festival
Highland Park, IL
General$1,500
The Archangel Fund for Collier
Naples, FL
General$1,500
Individual
IL
General$1,175
Moorings Park Foundation
Naples, FL
General$1,000
Wasington University
St Louis, MO
General$1,000
Winnetka Park District
Winnetka, IL
General$1,000
Winnetka Public Library
Winnetka, IL
General$1,000
Chicago Community Trust
Chicago, IL
General$1,000
Team Elite
Northbrook, IL
General$1,000
Individual
IL
General$1,000
Union League Architecture Fund
Chicago, IL
General$1,000
Individual
IL
General$1,000
Individual
IL
General$500
Coer D'alene Sympony Orchestra
Coeur Dalene, ID
General$500
Cancer Research Center
Morton Grove, IL
General$500
Opera in Naples
Naples, FL
General$500

Officers and trustees

As listed in Part VIII of the 2025 filing.

Questions people ask

Does The Frezados Masius Rieger Foundation accept grant applications?

Yes. Its latest IRS filing says it accepts applications.

How much does The Frezados Masius Rieger Foundation give?

$207,075 in tax year 2025, across 40 grants, with a typical grant of $2,000.

Who runs The Frezados Masius Rieger Foundation?

Its 2025 filing lists Kimberly Frezados (Trustee), Kathryn K Rieger (Trustee) and Michael Masius (Trustee).

What does The Frezados Masius Rieger Foundation fund?

Based on its grants, mainly education, environment and conservation and health.

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