The County Historian's Office is located at:
Ontario County Records and Archives
3051 County Complex Drive
Canandaigua, New York 14424
An appointment is recommended to meet with the County Historian.
For Genealogy and Records Requests, please contact the Assistant Records Management Officer, or visit the Records and Archives webpage for information and records indexes. The Ontario County Records and Archives Center is open for researchers Monday – Friday 9:00 am – 4:30 pm (except legal holidays)