Washington, D.C. Building Permits
The District government acts as the sole authority for code adoption and permit issuance.
How Building Permits Work in Washington, D.C.
The District government functions as the "State" by adopting a mandatory, uniform set of D.C. Construction Codes (based on the ICC). It oversees professional licensing for architects and engineers and maintains a centralized Department of Buildings (DOB) that has total regulatory authority over the entire 68-square-mile territory.
Model: Centralized Unitary
2 jurisdictions with permitting contact information.