Hours

Beginning on April 1st, 2026, the Archives Reading Room will be open only on Wednesdays from 9:30 a.m. to 3:30 p.m. Appointments are still strongly encouraged and can be made for either the full day or part of the day. Please contact us to schedule an appointment or if you have any research inquires.

We are still available to assist you over the phone (914) 231-1500 or by doing the Research By Mail if you are unable to visit us in person. If you have any questions or concerns, please contact us.

The Archives' offices are open Monday through Friday, except government holidays, from 8:30 a.m. to 4:30 p.m.

If you are planning a trip to the Archives, please call or e-mail first to confirm the hours. A photo I.D. must be presented when registering to do research in the Reading Room.

Please review the Archives Reading Room page for more information about conducting research at the Archives.

For departmental research requests, Westchester County employees should call for an appointment.

Also located at our facility in Elmsford are the Greater Hudson Heritage Network and the Westchester County Historical Society, whose collections are also available in the Archives Reading Room.