Calvert County, MD - Official Website - Business Alarm License Requirements
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Business Alarm License Requirements
  • Any person engaging in an alarm business to sell, install, service or monitor alarm systems in Calvert County must apply to the county for an Alarm Business License (ABL).
  • Any alarm business that sells, installs, services or monitors alarms in Calvert County that is not registered with the county is subject to a fee of $150 per alarm response.
    • To determine whether or not your client base is within Calvert County, check our zip code listing below.
  • Failure to comply with provision 8.0 of the Calvert County False Alarm Regulation, Alarm Business License Requirements, will constitute grounds for denial, suspension or revocation of an alarm business license.
  • In order to apply for a Calvert County ABL, the alarm business must be licensed with the Maryland State Police (MSP) to conduct business in Maryland.
    • For more information on registering with the MSP, call 410-799-0191 ext. 300.
    • It is the responsibility of the alarm business to register all alarm users it services. Any alarm response that involves an unregistered user will also result in a fee to the alarm business of $150 per alarm instance.

For more information on registering your alarm business, please call 410-535-1600 or 301-855-1243 ext. 2304.

Calvert County Zip Code Listing
  • Barstow – 20610
  • Broomes Island – 20615
  • Chesapeake Beach – 20732
  • Dowell – 20629
  • Dunkirk – 20754
  • Huntingtown – 20639
  • Lusby – 20657
  • North Beach – 20714
  • Owings – 20736
  • Port Republic – 20676
  • Prince Frederick – 20678
  • St. Leonard – 20685
  • Solomons – 20688
  • Sunderland – 20689

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