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State Department of Assessments and Taxation Office

All Services » Non-Montgomery County Government

To reach Montgomery County, State Department of Assessments & Taxation Office, and/or to update an address for your property tax bill, please send an email to: sdat.mont@maryland.gov, or call: 240.314.4510. The office is located at: 30 W Gude Drive, Suite 400, Rockville, MD. 20850.
Find more information from the following link(s):
 To speak with a Customer Service Representative, please call 311 during business hours.

Last Updated: 07/19/2023 09:58:21