License Applications
Completed applications for any type of license issued by Frederick County Department of Permits and Inspections must be mailed or hand delivered. Faxes and emails are not accepted. Please make sure that your application is complete. Incomplete applications will be returned to you for correction. Please deliver to:
30 N. Market St.
Frederick, MD 21701

News & Notices 
  License Renewals: Effective 2015, electrical and plumbing license renewal notices will not be sent by mail.
Electrical Plumbing