Finished Basements

  1. Permits 
  2. Required Plans
  3. Fees
  4. Inspections

Required Permits

The types of permits that may be required, depending on the complexity of the project, are as follows:

  • A building and zoning permit application is required for construction of architectural and structural elements, signed by the property owner. 
    • If your property is located in an incorporated town within Loudoun County, submit an approved zoning permit from the town with your application.
  • Trade permits:
    • An electrical permit is required for all electrical installations.
    • A gas permit is required for installations of all elements and appliances associated with gas piping systems.
    • A mechanical permit is required when adding or extending ductwork.
    • A plumbing permit is required for installations of all elements and appliances associated with plumbing systems.

Additional Documentation

Learn who should apply for permits.

How to Apply

  • Submit a permit application and required drawings in one of the following ways: 
    • Online in LandMARC - (Account required)
    • In person: Building and Development
      Loudoun County Government Center
      1 Harrison Street, SE.
      Leesburg, Virginia 20175
      Hours: Monday through Friday, 8:30 a.m. to 5 p.m.
      • Please bring a set of plans or the Typical Basement Detail Packet.


Questions

Call Building and Development at 703-777-0220, option 1.