Suffolk County Extension
Cornell Cooperative Extension strengthens families and communities, protects and enhances the environment and fosters economic development. Our four major programs--Family Health and Wellness, 4-H Youth Development, Marine and 
Agriculture--address the vital needs of the residents of Suffolk in ways that no other local non-profit can.

Contact Suffolk County Extension

423 Griffing Avenue, Suite 100
Kermit W. Graf Cornell Cooperative Extension Building
Riverhead, New York  11901
Phone: 631-727-7850
Fax: 631-727-7130


Service Area

Services provided in:
  • Suffolk County, New York

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