Nonprofit · EIN 54-2142668
SEA STONE FOUNDATION
Tax-exempt · NEW YORK, NY 10024
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $346,973 | $360,371 | -$13,398 | $234,449 | $6,250 | $228,199 |
| December 31, 2024 | 990-PF | $315,340 | $339,987 | -$24,647 | $302,235 | $60,638 | $241,597 |
| December 31, 2023 | 990-PF | $406,483 | $286,861 | $119,622 | $338,511 | $72,267 | $266,244 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $27,210
- Net gain from sales of assets
- $319,763
Expenses
- Grants and similar amounts paid
- $267,024
- Compensation of officers, directors and key employees
- $75,000
- Disbursements for charitable purposes
- $309,635
- Excise tax on investment income
- $4,823
Balance sheet and other
- Total assets, start of year
- $302,235
- Total assets, end of year
- $234,449
- Total liabilities, end of year
- $6,250
- Net assets, end of year
- $228,199
- Fair market value of assets
- $7,385,559
- Qualifying distributions
- $309,635
- Net investment income
- $346,973
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 |
|---|---|---|---|
| MICHAEL LEMLE 110 RIVERSIDE DRIVE, NEW YORK, NY 10024 | PRESIDENT | 10 | $75,000 |
| LUCINDA ZEISING 166 CHESTNUT STREET, CAMDEN, ME 04843 | SECRETARY | 1 | $0 |
| WENDY VANDEN HEVUEL 380 CONNECTICUT STREET, SAN FRANCISCO, CA 94107 | TREASURER | 1 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MICHAEL LEMLE 110 RIVERSIDE DRIVE, NEW YORK, NY 10024 | PRESIDENT | 10 | $65,000 |
| LUCINDA ZEISING 166 CHESTNUT STREET, CAMDEN, ME 04843 | SECRETARY | 1 | $0 |
| WENDY VANDEN HEVUEL 380 CONNECTICUT STREET, SAN FRANCISCO, CA 94107 | TREASURER | 1 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MICHAEL LEMLE 110 RIVERSIDE DRIVE, NEW YORK, NY 10024 | PRESIDENT | 10 | $65,000 |
| LUCINDA ZEISING 166 CHESTNUT STREET, CAMDEN, ME 04843 | SECRETARY | 1 | $0 |
| WENDY VANDEN HEVUEL 380 CONNECTICUT STREET, SAN FRANCISCO, CA 94107 | TREASURER | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 110 RIVERSIDE DR PH B, NEW YORK, NY 10024-3731
- In care of
- % MICHAEL LEMLE
- Signed the 990-PF
- MICHAEL LEMLE, PRESIDENT
- Phone
- (212) 736-9606
- Return prepared by
- SULLIVAN FIELD & SMITH 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 | 990-PF on file |
IRS record
- EIN
- 54-2142668
- 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
- 2004
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T21)
- Assets (IRS master file)
- $234,449
- Income (IRS master file)
- $356,527
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $346,973 | $360,371 | $234,449 | XML |
| 990-PF | December 2024 | $315,340 | $339,987 | $302,235 | XML |
| 990-PF | December 2023 | $406,483 | $286,861 | $338,511 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | IRS |
| 990-PF | December 2017 | – | – | – | IRS |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.
Questions about SEA STONE FOUNDATION
- What is the EIN of SEA STONE FOUNDATION?
- The employer identification number (EIN) of SEA STONE FOUNDATION is 54-2142668.
- Is SEA STONE FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2004.
- Are donations to SEA STONE FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does SEA STONE FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of SEA STONE 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 SEA STONE 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 SEA STONE FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 1 received compensation from the organization, the highest $75,000 (MICHAEL LEMLE, PRESIDENT).
- How much revenue does SEA STONE FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $346,973, expenses of $360,371 and total assets of $234,449 at year end.
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