ADU Permit Builder
Washington, District of Columbia
VerifiedLast verified: Feb 15, 20262 verified sources
Step 1 of 6
Project Basics
Your permit packet will include:
- Required forms: DC Building Permit Application, and more
- Pre-filled templates: Permit Cover Sheet
- Fee breakdown: $1,250–$9,500 estimated total
- Step-by-step DC Department of Buildings portal submission guide