St. Lawrence County Clerk
Mary Lou Rupp, County Clerk
Office Hours: 9:00 - 5:00
DMV Hours -
NYS Governor’s Traffic Safety Committee’s Website
We now accept credit cards at the County Clerk's Office
St. Lawrence County Clerk - Mary Lou Rupp
Welcome to the St. Lawrence County Clerk’s Office.
We in the St. Lawrence County Clerk's office and Department of Motor Vehicle offices pride ourselves in serving others and pledge to serve promptly, courteously and professionally.
The County Clerk in St. Lawrence County oversees 5 offices which include the County Clerk's office located in the Courthouse building at 48 Court Street in Canton and 4 convenient DMV offices located throughout the county, addresses listed below.
The main function of the County Clerk's Office is that of record keeper for the county, serving as a recording office for deeds, mortgages and many other legal documents pertaining to real estate. The County Clerk is also the Clerk of the Supreme and County Courts and files legal documents for these courts in this office. The County Clerk's Office processes pistol permit and passport applications, administers & files oaths of office, files military discharges, autopsy/coroner reports, notary public commissions, business certificates (DBA), incorporation papers and many other legal documents. This office is responsible for the preservation of these documents & helps the public gain access to the records they need to find.
The County Clerk acts as an agent for the Commissioner of Motor Vehicles. Our 4 DMV locations in St. Lawrence County are all full service offices where our dedicated staff can quickly & efficiently serve you and process your renewals. We encourage you to do all of your DMV business locally because St. Lawrence County keeps a portion of the revenue for each transaction that is processed in our county offices and this helps to reduce your county tax levy.
You may visit one of our DMV offices or mail your renewals to one of the addresses listed below. When mailing and using the envelope that was sent with the renewal, please make sure to change the address to one of our local offices listed below and cross out the barcode on the envelope. Thank you for doing your DMV business locally!
For a listing of Town and Village officials via an interactive map of St. Lawrence County click here.
For a simplified list of Town and Village officials of St. Lawrence County click here.
For a listing of Legislators click here.
Enroll as an organ & tissue donor: donatelife.ny.gov