Nonprofit · EIN 33-2281233
WILLIAM AND MARY STARK FAMILY FOUNDATION INC
Tax-exempt · RIVERHEAD, NY 11901
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $215,156 | $236,951 | -$21,795 | $3,263,500 | $0 | $3,263,500 |
| December 31, 2024 | 990-PF | $3,000,120 | $100 | $3,000,020 | $3,000,003 | $0 | $3,000,003 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $91,743
- Interest
- $10,603
- Net gain from sales of assets
- $112,810
Expenses
- Grants and similar amounts paid
- $215,000
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $215,000
- Excise tax on investment income
- $2,991
Balance sheet and other
- Total assets, start of year
- $3,000,003
- Total assets, end of year
- $3,263,500
- Total liabilities, end of year
- $0
- Net assets, end of year
- $3,263,500
- Fair market value of assets
- $3,263,500
- Qualifying distributions
- $215,000
- Net investment income
- $215,156
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 |
|---|---|---|---|
| WILLIAM B STARK 71 SEACOVE LANE, RIVERHEAD, NY 11901 | CHAIRMAN AND TREASURER | 1 | $0 |
| MARY STARK 71 SEACOVE LANE, RIVERHEAD, NY 11901 | PRESIDENT | 1 | $0 |
990-PF for the year ended December 31, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLIAM B STARK 71 SEACOVE LANE, RIVERHEAD, NY 11901 | CHAIRMAN AND TREASURER | 1 | $0 |
| MARY STARK 71 SEACOVE LANE, RIVERHEAD, NY 11901 | PRESIDENT | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 71 SEACOVE LN, RIVERHEAD, NY 11901-5914
- Signed the 990-PF
- WILLIAM B STARK, CHAIRMAN AND TREASURER
- Phone
- (516) 250-4443
- Return prepared by
- VFG 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 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 | Check at the IRS |
IRS record
- EIN
- 33-2281233
- 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
- 2025
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $3,263,500
- Income (IRS master file)
- $3,051,884
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $215,156 | $236,951 | $3,263,500 | IRS |
| 990-PF | December 2024 | $3,000,120 | $100 | $3,000,003 | XML |
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 33-2281233).
Questions about WILLIAM AND MARY STARK FAMILY FOUNDATION INC
- What is the EIN of WILLIAM AND MARY STARK FAMILY FOUNDATION INC?
- The employer identification number (EIN) of WILLIAM AND MARY STARK FAMILY FOUNDATION INC is 33-2281233.
- Is WILLIAM AND MARY STARK FAMILY FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
- Are donations to WILLIAM AND MARY STARK FAMILY FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does WILLIAM AND MARY STARK FAMILY FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of WILLIAM AND MARY STARK FAMILY FOUNDATION INC 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 WILLIAM AND MARY STARK FAMILY FOUNDATION INC 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 WILLIAM AND MARY STARK FAMILY FOUNDATION INC?
- The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
- How much revenue does WILLIAM AND MARY STARK FAMILY FOUNDATION INC have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $215,156, expenses of $236,951 and total assets of $3,263,500 at year end.
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All nonprofits in RIVERHEAD · New York · Philanthropy, voluntarism and grantmaking foundations