certificate of occupancy paterson

Lewis Taney, Code Compliance Officer, Mary Schartau, Clerk Certificate of Occupancy Applications. The purpose of a Certificate of Occupancy ("COO" or "C of O") is to ensure that the use of a building, structure or land in the District of Columbia conforms to the Zoning Regulations (DCMR Title 11) provisions of the DC Construction Codes, and the Green Building Act..