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Licensing & Registration

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Contact Information Description
Montgomery County Police Department  
Maryland Department of Assessment and Taxation
301 W. Preston Street
Baltimore, MD 21201
T: 410 767-1184
T: 800 735-2258
Visit the Maryland Department of Assessment and Taxation to:
  • Register your business and establish legal entity
  • Register a trade name
Internal Revenue Service (IRS)
11510 Georgia Avenue
Wheaton, MD 20902
T: 202 283-8097
Obtain a Federal Employer Identification Number
Comptroller of Maryland
Revenue Administration Center
Annapolis, MD 21411

Maryland Combined Registration Application
File a combined registration form to establish your tax accounts with the Comptroller of Maryland.
Business License Information System
Licensing and permit information for businesses in Maryland
Montgomery County Circuit Court
Montgomery Court License Department
50 Maryland Avenue, Room 111
T: 240-777-9460
Montgomery County Circuit Court
Provides information on business licenses in Montgomery County Maryland.