Nonprofit · EIN 11-3227901
THE CLAMSHELL FOUNDATION INC
Tax-exempt · EAST HAMPTON, NY 11937
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $38,046 | $41,466 | -$3,420 | $40,601 | – | $40,601 |
| December 31, 2024 | 990-EZ | $7,117 | $29,083 | -$21,966 | $44,021 | – | $44,021 |
| December 31, 2023 | 990-EZ | $22,518 | $85,542 | -$63,024 | $65,987 | – | $65,987 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $48,654
- Net income from fundraising events
- -$10,608
Expenses
- Grants and similar amounts paid
- $34,035
- Compensation of officers, directors and key employees
- $0
- Professional fees and payments to contractors
- $3,450
- Printing, publications and postage
- $236
- Other expenses
- $3,745
- Program services (functional)
- $35,339
Balance sheet and other
- Total assets, start of year
- $44,021
- Total assets, end of year
- $40,601
- Total liabilities, end of year
- –
- Net assets, end of year
- $40,601
- Cash, savings and investments
- $40,601
- Gross receipts
- $56,059
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KORI PETERS | Executive Dir. | 1 | $0 |
| WILLIAM KALBACHER | CEO | 10 | $0 |
| KELSEY DEMARQUEZ | Secretary | 2 | $0 |
| JANICE VAZIRI | Treasurer | 4 | $0 |
| JILL KALBACHER | Director | 1 | $0 |
| ROBERT PETERS JR | Director | 1 | $0 |
990-EZ for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KORI PETERS | Executive Dir. | 1 | $0 |
| WILLIAM KALBACHER | CEO | 10 | $0 |
| KELSEY DEMARQUEZ | Secretary | 2 | $0 |
| JANICE VAZIRI | Treasurer | 4 | $0 |
| JILL KALBACHER | Director | 1 | $0 |
| ROBERT PETERS JR | Director | 1 | $0 |
990-EZ for the year ended December 31, 2023: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KORI PETERS | Executive Dir. | 1 | $0 |
| WILLIAM KALBACHER | CEO | 10 | $0 |
| KELSEY DEMARQUEZ | Secretary | 2 | $0 |
| JANICE VAZIRI | Treasurer | 4 | $0 |
| JILL KALBACHER | Director | 1 | $0 |
| ROBERT PETERS JR | Director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 2725, EAST HAMPTON, NY 11937-0250
- In care of
- % ROSSETTI PERCHIK
- Mailing address (990-N for 2007)
- 29 MAIDSTONE PARK ROAD, EAST HAMPTON NY 11937
- Principal officer (990-N for 2007)
- ROSSETTI PERCHIK, 29 MAIDSTONE PARK ROAD, EAST HAMPTON NY 11937
- Signed the 990-EZ
- Janice Vaziri, Treasurer
- Phone
- (631) 903-7000
- Website
- www.clamshellfoundation.org
- Return prepared by
- SABEL & OPLINGER CPA PC
Mission
The purpose of the corporation, as stated in our charter, is to enrich the lives of others by fostering education in health, cultural, and environmental fields of endeavor. Currently, we are concentrating our efforts in the area of water quality projects here in the Town of East Hampton, as well as community based concerns such as local food pantries and educational projects.
Program accomplishments
- The purpose of the corporation, as stated in our charter, is to enrich the lives of others by fostering education in health, cultural, and environmental fields of endeavor. Currently, we are concentrating our efforts on community based concerns such as local food pantries and educational projects.Expenses $35,339
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 11-3227901
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1997
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C32Z)
- Assets (IRS master file)
- $40,601
- Income (IRS master file)
- $56,059
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $38,046 | $41,466 | $40,601 | IRS |
| 990-EZ | December 2024 | $7,117 | $29,083 | $44,021 | XML |
| 990-EZ | December 2023 | $22,518 | $85,542 | $65,987 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990-EZ | December 2018 | – | – | – | IRS |
| 990-N for 2007 Officer: ROSSETTI PERCHIK | December 31, 2007 | ≤ $50,000 receipts | – | – | e-Postcard |
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 THE CLAMSHELL FOUNDATION INC
- What is the EIN of THE CLAMSHELL FOUNDATION INC?
- The employer identification number (EIN) of THE CLAMSHELL FOUNDATION INC is 11-3227901.
- Is THE CLAMSHELL FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1997.
- Are donations to THE CLAMSHELL FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does THE CLAMSHELL FOUNDATION INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of THE CLAMSHELL 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 THE CLAMSHELL FOUNDATION INC last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who is the principal officer of THE CLAMSHELL FOUNDATION INC?
- The 990-N for 2007 names ROSSETTI PERCHIK.
- Who are the officers and directors of THE CLAMSHELL FOUNDATION INC?
- The 990-EZ for the year ended December 31, 2025 lists 6 people; 0 received compensation from the organization.
- How much revenue does THE CLAMSHELL FOUNDATION INC have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $38,046, expenses of $41,466 and total assets of $40,601 at year end.
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