Note: Renewal application required prior to expiration date of license/registration.

Building Services Division

For more information, or a license application in one of the following areas, please call the Building Services Division at 410-638-3366.
Mobile Home Park License Application
For information, please call 410-638-3385.

Plumbing Services Division

For information, requirements, or a registration application in any of the following areas, please contact the Plumbing Services Division at 410-638-3215.
  • Apprentice
  • Journey Septic
  • Journey Utility
  • Journeyman Plumber/Gas Fitter
  • Master Gas Fitter
  • Master Limited Plumbers Certificate
  • Master Plumber/Gas Fitter
  • Master Propane Gas Fitter
  • Mechanical
  • On-Site Utility License
  • Septic Certificate

Electrical Services Division

For information, requirements, or an application in any of the following areas, please contact the Electrical Services Division at 410-638-3363.
  • Electrician’s Assistant
  • Journeyperson Electrician
  • Limited Electrician (specific to a specialty; e.g., signs, heating, etc.)
  • Limited Journeyperson Electrician
  • Master Electrician
  • Restricted Electrician (specific to maintenance)

Business Licenses

Please contact the State of Maryland for Harford County Licenses at 410-638-3248 for information on requirements, fees and applications for the following Business Licenses.
  • Billiard or Pool Table
  • Chain Store
  • Cigarette/Special Retailer Cigarette
  • Console Machine
  • Construction
  • Dry Cleaning and Laundry
  • Garage
  • Hunting/Fishing/Duck Blind License-Dept. of Natural Resources (DNR) District Court (410-836-4550)
  • Junk Dealer
  • Music Box
  • Non-resident Construction
  • Notary (not a license-application from Secretary of State/Commissioned at Circuit Court)
  • Other Tobacco Products
  • Peddlers
  • Pinball Machine
  • Plumber and Gas Fitters
  • Promoters of Outdoor Music Festival
  • Restaurant
  • Storage Warehouse
  • Tobacconist
  • Traders (Retail Sales)
  • Vending Machine License

Maryland Home Improvement License (MHIC)

Please contact the Maryland Department of Labor, License and Regulations, Division of Occupational and Professional Licensing at 410-230-6231 or visit the Maryland Department of Labor website for more information.

Home Builders Registration

Please contact the Consumer Protection Division of the Office of the Attorney General at 888-743-0023 or visit the Consumer Protection Division website for more information.