Private foundation · EIN 46-3768810 · Addison, Illinois · Philanthropy & grantmaking

Wisniewski Family Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 4 grants paid, $180K total, median $25K. 75% of grants stayed in Illinois.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
4
$180K
Median grant
$25K
Stays in IL
75%
of grants
Deadline
—
Assets
$3.0M

Grants paid in 2025

4 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
Little Sisters for the PoorPalatine, ILSupport$120K
Homes for Our TroopsTaunton, MASupport$30K
St Walter Catholic SchoolRoselle, ILSupport$20K
Lane Tech Alumni AssociationChicago, ILSupport$10K

By state: Illinois 3 · Massachusetts 1

About this foundation

Wisniewski Family Foundation is a private grantmaking foundation in Addison, Illinois, administered in care of Thomas J Wisniewski, tax-exempt since 2014. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Wisniewski Family Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Wisniewski Family Foundation give each year?

In tax year 2025 it paid $180K across 4 grants, a median of $25K.

Where does Wisniewski Family Foundation give?

Illinois (3 grants), Massachusetts (1 grants), per its latest filing.

More foundations near Addison that accept applications

All in Illinois
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John D & Catherine T Macarthur Foundationsince 1971 Chicago, IL $356M1,086 grants · 2024 $160KPreselected only $8.7B
Arie and Ida Crown Memorialsince 1962 Chicago, IL $115M897 grants · 2024 $55KYes $2.4B
Builders Initiativesince 2017 Chicago, IL $97M392 grants · 2024 $150KPreselected only $1.7B
Joyce Foundationsince 1949 Chicago, IL $52M470 grants · 2024 $80KYes $1.2B
St George Corporationsince 2021 Burr Ridge, IL $34M5 grants · 2024 $1.0MPreselected only $768M
1111 Foundationsince 2013 Highland Park, IL $28M54 grants · 2024 $50KPreselected only $579M
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