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State Department of Assessments and Taxation Office Contact Information

The Montgomery County, State Department of Assessments & Taxation Office is located at 30 W. Gude Drive, Suite 400, Rockville, Maryland 20850. The telephone number is 240.314.4510 for residential properties and 240.314.4530 for commercial properties.
Find more information from the following link(s):
To speak with a Customer Service Representative, please call 311 during business hours.