Nonprofit · EIN 82-3321891
WINSLOW FAMILY FOUNDATION
Tax-exempt · WINTERSET, IA 50273
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $29,716 | $0 | $29,716 | $2,043,021 | $0 | $2,043,021 |
| December 31, 2024 | 990-PF | $30,766 | $1,002,907 | -$972,141 | $2,013,305 | $0 | $2,013,305 |
| December 31, 2023 | 990-PF | $30,372 | $34,422 | -$4,050 | $2,985,446 | $0 | $2,985,446 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $25,288
- Interest
- $4,428
Expenses
- Grants and similar amounts paid
- $0
- Excise tax on investment income
- $413
Balance sheet and other
- Total assets, start of year
- $2,013,305
- Total assets, end of year
- $2,043,021
- Total liabilities, end of year
- $0
- Net assets, end of year
- $2,043,021
- Fair market value of assets
- $3,225,211
- Net investment income
- $29,716
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990-PF for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Laura Bertelson 206 South 4th Avenue, Winterset, IA 50273 | Secretary/Director | 0 | $0 |
| Mairi Winslow 812 W Orchard Avenue, Indianola, IA 50125 | President/Director | 0 | $0 |
| Mark Winslow 2031 - 135th Street, Corydon, IA 50060 | Director | 0 | $0 |
| Anne Winslow 3502 Village Run Drive, Des Moines, IA 50317 | Director | 0 | $0 |
| Meg Winslow Maffitt 14244 Slater Street, Overland Park, KS 66221 | Treasurer/Director | 0 | $0 |
990-PF for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Roger A Winslow PO Box 288, Corydon, IA 50060 | President/Director | 1 | $0 |
| Laura Bertelson 206 South 4th Avenue, Winterset, IA 50273 | Secretary/Director | 0 | $0 |
| Mairi Winslow 310 West Kentucky Avenue, Indianola, IA 50125 | Director | 0 | $0 |
| Mark Winslow 2031 - 135th Street, Corydon, IA 50060 | Director | 0 | $0 |
| Anne Winslow 314 East Monroe Street, Corydon, IA 50060 | Director | 0 | $0 |
| Meg Winslow Maffitt 14244 Slater Street, Overland Park, KS 66221 | Treasurer/Director | 0 | $0 |
990-PF for the year ended December 31, 2023: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Roger A Winslow PO Box 288, Corydon, IA 50060 | President/Treasurer/Director | 1 | $0 |
| Laura Bertelson 3025 Cumming Road, Van Meter, IA 50261 | Secretary/Director | 0 | $0 |
| Mairi Winslow 310 West Kentucky Avenue, Indianola, IA 50125 | Director | 0 | $0 |
| Mark Winslow 2031 - 135th Street, Corydon, IA 50060 | Director | 0 | $0 |
| Anne Winslow 314 East Monroe Street, Corydon, IA 50060 | Director | 0 | $0 |
| Meg Winslow Maffitt 14244 Slater Street, Overland Park, KS 66221 | Director | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 206 S 4TH AVE, WINTERSET, IA 50273-2114
- In care of
- % ROGER A WINSLOW
- Signed the 990-PF
- Meg Winslow Maffitt, Treasurer
- Phone
- (913) 681-2535
- Return prepared by
- Meyer & Lain
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 82-3321891
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 2018
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $2,043,021
- Income (IRS master file)
- $29,716
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $29,716 | $0 | $2,043,021 | IRS |
| 990-PF | December 2024 | $30,766 | $1,002,907 | $2,013,305 | XML |
| 990-PF | December 2023 | $30,372 | $34,422 | $2,985,446 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 82-3321891).
Questions about WINSLOW FAMILY FOUNDATION
- What is the EIN of WINSLOW FAMILY FOUNDATION?
- The employer identification number (EIN) of WINSLOW FAMILY FOUNDATION is 82-3321891.
- Is WINSLOW FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
- Are donations to WINSLOW FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does WINSLOW FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of WINSLOW FAMILY FOUNDATION due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did WINSLOW FAMILY FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who are the officers and directors of WINSLOW FAMILY FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 5 people; 0 received compensation from the organization.
- How much revenue does WINSLOW FAMILY FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $29,716, expenses of $0 and total assets of $2,043,021 at year end.
Other nonprofits in WINTERSET
- CENTRAL IOWA AUTO CLUB INC EIN 46-1412092 · last filed 990-N for 2025
- WINTERSET LIONS FOUNDATION INC EIN 42-1506997 · last filed 990-N for 2024
- QUILTS OF VALOR FOUNDATION EIN 20-2474691 · last filed 990 for 2025
- JOHN WAYNE BIRTHPLACE SOCIETY LTD EIN 42-1207533 · last filed 990 for 2024
- MADISON COUNTY HISTORICAL SOCIETY EIN 23-7423189 · last filed 990-PF for 2024
- LAKEVIEW COUNTRY CLUB OF MADISON COUNTY IOWA INC EIN 42-0645901 · last filed 990 for 2024
- MADISON COUNTY LIVESTOCK & FAIR ASSOCIATION EIN 42-1088535 · last filed 990 for 2025
- TURNING POINT EVALUATION EIN 47-2843383 · last filed 990 for 2024
All nonprofits in WINTERSET · Iowa · Philanthropy, voluntarism and grantmaking foundations