Required Permits

  • Before beginning residential or commercial construction in Loudoun County, you must obtain permits from the appropriate county agencies and, if applicable, the appropriate agencies of the incorporated towns. 
  • Most of the permits listed here are issued through the Loudoun County Department of Building and Development. 
  • The county only accepts Affidavit of Owner forms that have been notarized.
  • For more information about building permits, contact the Department of Building and Development at 703-777-0220 (V/TTY).

Permits for Residential Construction

Permits for Commercial Construction

Contractors

Building, electrical, fire suppression, gas, plumbing and mechanical work each requires separate applications and permits. These permits will not be issued from the application and architectural plans submitted for a Building Permit. Contractors must have a valid Virginia State Contractors License and Loudoun County Business License.

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