Suffolk County Clerk
At one time or another either directly or
indirectly, every resident of Suffolk County deals with our office. So if you are buying
home, satisfying your mortgage, filing a lien or judgment, grieving your taxes or
interacting with the judicial system, we look forward to working with you.
NYS issues an Apostille (the legalization of a document for international use), the Suffolk County Clerk will certify copies for an Apostille. Upon certification by the Suffolk County Clerk, the documents must be submitted to New York State for the Apostille.
In Person: Suffolk County Clerk’s Office, 300 Center Drive, Riverhead, NY 11901
By Mail: If your document is a Birth, Death or Marriage Certificate and requires certification, send the document(s) to:
For Authentication of a Notary Public's signature, send the document(s) to:
For more information on Apostille or Certificate of Authentication go to: https://www.dos.ny.gov/licensing/apostille.html
The Suffolk County Clerk's Office continues to develop strategies and systems that promote
real-time services and facilitate communication and access.
Hours and Holiday Schedule
Address, Directions & Hours