William S Kallaos Family Foundation

CHESTERFIELD, MO EIN: 43-1902767

William S Kallaos Family Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CHESTERFIELD, MO. IRS filing data is available from 2019 through 2024. In 2024, it awarded 14 grants totaling $91K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

Annual Giving

$91K

-11.8% YoY

Grant Count

14

-17.6% YoY

Avg Grant Size

$7K

+7.1% YoY

About William S Kallaos Family Foundation

Based on IRS filings

William S Kallaos Family Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CHESTERFIELD, MO. IRS filing data is available from 2019 through 2024. In 2024, it awarded 14 grants totaling $91K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

10states
+2 more states

Cities

ALPHARETTABALLWINBRIDGETONCALISTOGACOLORADO SPRINGSDES PERESFENTONHERMITAGEHOUSE SPRINGSISLAND LAKEKANSAS CITYKENSIGNTONMARYVILLEMEMPHISNEW YORKPITTSBURGHST LOUISSTATEN ISLANDTOWN AND COUNTRYWASHINGTON

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.1201920202021202220232024
Metric202420232022
Total Assets
Revenue
Expenses
Qualifying Distributions
Net Investment Income
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$26K$52K$78K$104K7 grants201911 grants202013 grants202113 grants202217 grants202314 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

MAKE A WISH FOUNDATION$15KST JUDES CHILDRENS HOSPI…$15KVARIETY THE CHILDRENS CH…$10KCARDINAL GLENNON CHILDRE…$8KPALOZOLA FOUNDATION$6KEQUINE ASSISTED THERAPY$5KSMILE TRAIN$5KTHE BACKSTOPPERS$5KTUNNELS TO TOWERS FOUNDA…$5KUNITED MITOCHONRIAL DISE…$5K

Grant Size Distribution

68 grants across all recorded years

68<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Make a Wish Foundation ($15,000), St Judes Childrens Hospital ($15,000), Variety the Childrens Charity ($10,000).

RecipientPurposeAmount
ACTION FOR AUTISM FENTON, MOCHARITABLE$2,000
AMERICAN RED CROSS WASHINGTON, DCCHARITABLE$4,800
CARDINAL GLENNON CHILDRENS FOUNDATION ST LOUIS, MOCHARITABLE$8,460
EQUINE ASSISTED THERAPY WILDWOOD, MOCHARITABLE$5,000
MAKE A WISH FOUNDATION BALLWIN, MOCHARITABLE$15,000
MOXIES MISSION ST LOUIS, MOCHARITABLE$2,500
PALOZOLA FOUNDATION DES PERES, MOCHARITABLE$6,000
SMILE TRAIN NEW YORK, NYCHARITABLE$5,000
ST JUDES CHILDRENS HOSPITAL MEMPHIS, TNCHARITABLE$15,000
ST LOUIS COUNTY POLICE WELFARE ASSOCIATION ST LOUIS, MOCHARITABLE$2,500

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
WILLIAM S KALLAOSPRESIDENT, DIRECTOR
CONNIE KALLAOSSECRETARY, DIRECTOR
SANDRA YOUNGVICE-PRESIDENT, DIRECTOR
WILLIAM S KALLAOS JRTREASURER, DIRECTOR

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is William S Kallaos Family Foundation?

William S Kallaos Family Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CHESTERFIELD, MO. It holds — in total assets as of 2024.

Where does William S Kallaos Family Foundation operate?

William S Kallaos Family Foundation has awarded grants in California, Colorado, District of Columbia, Georgia, Illinois, Maryland, Missouri, New York, Pennsylvania, Tennessee.

What size grants does William S Kallaos Family Foundation award?

In 2024, William S Kallaos Family Foundation awarded 14 grants totaling $91K — an average of about $7K per grant, based on its IRS Form 990 filings.

What is William S Kallaos Family Foundation's EIN?

William S Kallaos Family Foundation's EIN (Employer Identification Number) is 43-1902767. IRS Form 990 filing data is available on this page for 2019–2024.

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Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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