The Clamshell Foundation Inc.
- Location
- East Hampton, New York
- Focus area
- Clean Water
- EIN
- 11-3227901
- IRS status
- 501(c)(3) public charity, listed in IRS Publication 78 as eligible to receive tax-deductible contributions
- NTEE code
- C32Z
- IRS ruling year
- 1997
- Latest reported revenue
- $38,046 (tax period 2025-12)
Unclaimed listing
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Information on this page comes from public register data (IRS Exempt Organizations Business Master File and Publication 78). It has not been reviewed by the charity. Donations are not available on unclaimed listings.