William S Kallaos Family Foundation
The William S Kallaos Family Foundation is a private foundation based in Chesterfield, Missouri. It makes charitable grants to preselected organizations and does not accept unsolicited requests for funds.
William S Kallaos Family Foundation at a glance
In short: William S Kallaos Family Foundation gave $95K across 14 grants in 2025 (avg $7K), mostly in Missouri. 14% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $95,340
- +4.5% vs 2024
- Grants made (2025)
- 14
- +0.0% vs 2024
- Average grant
- $6,810
- +4.5% vs 2024
- Median grant
- $5,000
- Total assets
- $1,321,795
- -5.4% vs 2024
- New grantees (estimate)
- 14% first-time grantees (2 of 14, 2025; small sample)
- Primary geography
- Missouri (56% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to William S Kallaos Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 14794 Brook Hill Drive, Chesterfield, MO 63017
Phone: (636) 230-7182
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who William S Kallaos Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was St Judes Childrens Hospital ($17K). Together the top 10 received $81K.
Grant Size Distribution
71 grants across all recorded years
The most common grant size was under $50K: 71 grants of 71 (100%).
Geographic Focus
Where this funder awards grants
In 2025, recipients in Missouri received 56% of grant dollars, followed by recipients in Tennessee (18%), Washington, DC (10%), New York (10%), and Pennsylvania (5%).
Grant Distribution by State
Share of 2025 grant dollars across all 14 itemized grants.
States
Cities
Is William S Kallaos Family Foundation open to new grantees?
14%
first-time grantees, 2025
In 2025, 2 of 14 grantees (14%) were first-time recipients. With only 14 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $4K; repeat grants $7K. How we count
Medians: $4K first-time, $6K repeat.
- 71% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−3%). Method
- In 2025 it paid out 87% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $73K (2019) to $104K (2023). In 2025 it made 14 grants totaling $95K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| St Judes Childrens Hospital Memphis, TN | Charitable | $17,000 |
| Make a Wish Foundation Ballwin, MO | Charitable | $10,000 |
| The Variety Club Childrens Charity St. Louis, MO | Charitable | $10,000 |
| American Red Cross Washington, DC | Charitable | $10,000 |
| Cardinal Glennon Childrens Foundation St. Louis, MO | Charitable | $8,340 |
| Palozola Foundation Des Peres, MO | Charitable | $6,000 |
| United Mitochonrial Disease Foundation Pittsburgh, PA | Charitable | $5,000 |
| Angels Arms St. Louis, MO | Charitable | $5,000 |
| Equine Assisted Therapy Wildwood, MO | Charitable | $5,000 |
| Smile Train New York, NY | Charitable | $5,000 |
Ready to take the next step with William S Kallaos Family Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $1,321,795 | $33,989 | $109,131 | $95,340 | 14 | $95,340 | $20,512 | $109,170 |
| 2024 | $1,396,937 | $75,814 | $105,277 | $91,260 | 14 | $91,260 | $60,905 | $102,649 |
| 2023 | $1,426,400 | $42,452 | $116,729 | $103,500 | 17 | $103,500 | $26,413 | $93,076 |
| 2022 | $1,500,677 | $28,969 | $116,783 | $98,250 | 13 | $98,250 | $11,121 | $93,382 |
| 2021 | $1,588,491 | $300,467 | $98,684 | $85,000 | 13 | $85,000 | $286,783 | $100,745 |
| 2020 | $1,386,708 | $18,595 | $91,774 | $72,500 | 11 | — | $2,823 | $84,963 |
| 2019 | $1,459,887 | $243,469 | $88,278 | $72,500 | 7 | — | $227,691 | $70,439 |
Under IRS private-foundation payout rules, William S Kallaos Family Foundation reported a distributable amount of $109K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The available filing information does not state a mission for the foundation. Its grants include support for charitable organizations. Among its recipients, Cardinal Glennon Children’s Foundation describes its mission as providing exceptional health care services; Smile Train says it works to provide people born with clefts the same opportunities in life as those born without clefts; and Action for Autism says it works to help people with autism or other neurological development delays access therapies, resources, and educational support.
Grantmaking
In filing year 2025, the foundation made 14 grants totaling $95,340. Grants ranged from $2,000 to $17,000, with a median grant of $5,000.
Notable 2025 grants included $17,000 to St. Jude Children’s Hospital, $10,000 each to Make-A-Wish Foundation, The Variety Club Children’s Charity, and the American Red Cross, and $8,340 to Cardinal Glennon Children’s Foundation. Other recipients included the Palozola Foundation ($6,000), United Mitochondrial Disease Foundation ($5,000), Angels’ Arms ($5,000), Equine Assisted Therapy ($5,000), Smile Train ($5,000), Tunnels to Towers Foundation ($5,000), No Hunger Holiday ($4,000), and Action for Autism ($2,000).
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists William S Kallaos as president and director; Connie Kallaos as secretary and director; Sandra Young as vice-president and director; and William S Kallaos Jr as treasurer and director.
William S Kallaos Family Foundation is led by William S. Kallaos, President & Director on every filing since 2019; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
William S. Kallaos
President & Director
On filings since 2019
No compensation reported
Connie Kallaos
Secretary & Director
On filings since 2019
No compensation reported
Sandra Young
Vice President & Director
On filings since 2019
No compensation reported
William S. Kallaos Jr.
Treasurer & Director
On filings since 2019
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about William S Kallaos Family Foundation
How much does William S Kallaos Family Foundation give each year?
William S Kallaos Family Foundation gave $95K across 14 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $91K across 14 grants.
What is William S Kallaos Family Foundation's typical grant size?
William S Kallaos Family Foundation's median grant in 2025 was $5,000, and its average grant was $6,810, across 14 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from William S Kallaos Family Foundation that year got $4K on average.
Where does William S Kallaos Family Foundation give grants?
William S Kallaos Family Foundation gives mostly in Missouri: 56% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Tennessee (18%) and District of Columbia (10%). The most frequent recipient cities were St. Louis, MO (3 grants).
Does William S Kallaos Family Foundation give general operating support?
Not in 2025: none of the 14 grants with a stated purpose on William S Kallaos Family Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable" (14 grants).
Who are William S Kallaos Family Foundation's largest grantees?
William S Kallaos Family Foundation's largest 2025 grantees include St Judes Childrens Hospital ($17,000), Make a Wish Foundation ($10,000) and The Variety Club Childrens Charity ($10,000), according to its 2025 IRS Form 990-PF. Together they received 39% of its itemized 2025 grant dollars.
How large is William S Kallaos Family Foundation?
William S Kallaos Family Foundation reported $1.3M in total assets on its 2025 IRS Form 990-PF. It paid out $95K in qualifying distributions that year, against a required minimum of $109K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does William S Kallaos Family Foundation fund?
The available filing information does not state a mission for the foundation. Its grants include support for charitable organizations. See mission & focus areas ↑
How do I apply for a grant from William S Kallaos Family Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
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 2019–2025.
Does William S Kallaos Family Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS June 19, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS April 28, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 26, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 5, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS April 25, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 12, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS April 28, 2026)
- IRS filings on file for fiscal years 2019–2024
Explore Open Grants
Browse active grant opportunities in William S Kallaos Family Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). William S Kallaos Family Foundation funder profile. GrantGraph. Retrieved October 5, 2026, from https://grantable.co/funders/william-s-kallaos-family-foundation-morg_37bc422a22c7415a801d62f44ba45c11
BibTeX
@misc{grantable_431902767_2026,
author = {{Grantable}},
title = {{William S Kallaos Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/william-s-kallaos-family-foundation-morg_37bc422a22c7415a801d62f44ba45c11},
note = {Accessed 2026-10-05. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from William S Kallaos Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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