Nonprofit · EIN 13-3411161
WINDMILL FOUNDATION INC
Tax-exempt · STAMFORD, CT 06905
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| February 28, 2026 | 990-PF | $812,439 | $742,684 | $69,755 | $8,469,290 | $8,425 | $8,460,865 |
| February 28, 2025 | 990-PF | $410,831 | $699,705 | -$288,874 | $8,410,828 | $49,500 | $8,361,328 |
| February 29, 2024 | 990-PF | $503,643 | $647,183 | -$143,540 | $8,651,375 | $0 | $8,651,375 |
Financial details: 990-PF for the year ended February 28, 2026
Revenue
- Contributions, gifts and grants
- $405,000
- Dividends
- $377,324
- Interest
- $20,377
- Net gain from sales of assets
- $9,645
- Other income
- $93
Expenses
- Grants and similar amounts paid
- $640,000
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $668,960
- Excise tax on investment income
- $4,795
Balance sheet and other
- Total assets, start of year
- $8,410,828
- Total assets, end of year
- $8,469,290
- Total liabilities, end of year
- $8,425
- Net assets, end of year
- $8,460,865
- Fair market value of assets
- $15,104,086
- Qualifying distributions
- $668,960
- Net investment income
- $407,346
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 February 28, 2026, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ANNA B STEINER 124 RIDGE ACRES ROAD, DARIEN, CT 06820 | PRESIDENT | 1 | $0 |
| ERNEST F STEINER 124 RIDGE ACRES ROAD, DARIEN, CT 06820 | VICE-PRESIDENT/TREASURER | 2 | $0 |
| LEONARD LEADER C/O WIGGIN AND DANA 60 CHURCH LANE, WESTPORT, CT 06880 | SECRETARY | 1 | $0 |
990-PF for the year ended February 28, 2025: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ANNA B STEINER 124 RIDGE ACRES ROAD, DARIEN, CT 06820 | PRESIDENT | 1 | $0 |
| ERNEST F STEINER 124 RIDGE ACRES ROAD, DARIEN, CT 06820 | VICE-PRESIDENT/TREASURER | 2 | $0 |
| LEONARD LEADER C/O WIGGIN AND DANA 60 CHURCH LANE, WESTPORT, CT 06880 | SECRETARY | 1 | $0 |
990-PF for the year ended February 29, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ANNA B STEINER 124 RIDGE ACRES ROAD, DARIEN, CT 06820 | PRESIDENT | 1 | $0 |
| ERNEST F STEINER 124 RIDGE ACRES ROAD, DARIEN, CT 06820 | VICE-PRESIDENT/TREASURER | 2 | $0 |
| LEONARD LEADER C/O WIGGIN AND DANA 60 CHURCH LANE, WESTPORT, CT 06880 | SECRETARY | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 3001 SUMMER ST STE 5 # EAST, STAMFORD, CT 06905-4321
- In care of
- % PKF O CONNOR DAVIES LLP
- Signed the 990-PF
- ANNA B STEINER, PRESIDENT
- Phone
- (203) 351-4343
- Return prepared by
- PKF O'CONNOR DAVIES ADVISORY LLC
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in February, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | February 28, 2026 | July 15, 2026 | 990-PF on file |
| 2024 | February 28, 2025 | July 15, 2025 | 990-PF on file |
| 2023 | February 29, 2024 | July 15, 2024 | 990-PF on file |
IRS record
- EIN
- 13-3411161
- 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
- 1989
- Accounting year ends
- February
- Files
- Form 990-PF
- Assets (IRS master file)
- $8,469,290
- Income (IRS master file)
- $1,177,797
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | February 2026 | $812,439 | $742,684 | $8,469,290 | XML |
| 990-PF | February 2025 | $410,831 | $699,705 | $8,410,828 | XML |
| 990-PF | February 2024 | $503,643 | $647,183 | $8,651,375 | XML |
| 990-PF | February 2023 | – | – | – | IRS |
| 990-PF | February 2022 | – | – | – | IRS |
| 990-PF | February 2021 | – | – | – | IRS |
| 990-PF | February 2019 | – | – | – | 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 13-3411161).
Questions about WINDMILL FOUNDATION INC
- What is the EIN of WINDMILL FOUNDATION INC?
- The employer identification number (EIN) of WINDMILL FOUNDATION INC is 13-3411161.
- Is WINDMILL FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
- Are donations to WINDMILL FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does WINDMILL FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of WINDMILL FOUNDATION INC due?
- The return for tax year 2026 (the year ending February 28, 2027) is due July 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did WINDMILL FOUNDATION INC last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended February 2026.
- Who are the officers and directors of WINDMILL FOUNDATION INC?
- The 990-PF for the year ended February 28, 2026 lists 3 people; 0 received compensation from the organization.
- How much revenue does WINDMILL FOUNDATION INC have?
- On its 990-PF for the year ended February 28, 2026 it reported revenue of $812,439, expenses of $742,684 and total assets of $8,469,290 at year end.
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