Expand/Alter Current Location

Additions, alterations, or repair of existing buildings


Any modification of permit scope or approved plans must be submitted in-person and specifically approved at the Permit Center, 1100 4th Street SW, 2nd Floor, Washington, DC 20024.

A new permit is required for expansion or alteration to an existing building because the current permit will become invalid when modification or construction begins.

A Complete Building Application Package which includes:

  • Application
  • Contract Agreement
  • Environmental Intake Form
  • Lead Permit Screening Form
  • Zoning Data Summary
  • Reasonable Accommodations Form

After the submission of your completed application, you can check your permit status online.

Department of Consumer and Regulatory Affairs

1100 4th Street, SW, Washington, DC, 20024

Office Hours: Monday,Tuesday,Wednesday,Friday 8:30am to 4:30pm and Thursday 9:30am - 4:30pm

Phone: (202) 442-4400

This is map view of the location