D.C. Mun. Regs. tit. 22, r. 22-B3425
Before the physical facilities of any community residence facility are constructed, added to, remodeled, or otherwise altered to the extent a building permit is required, the owner of the community residence facility shall notify the Mayor of all contemplated changes before a building permit is issued so the Mayor can review and approve the changes that may relate to the requirements of this title.
In addition to the requirements of this section, the physical structure of a community residence facility shall conform to all applicable provisions of the D.C. Housing Code (DCMR 14), the D.C. Building Code (DCMR 12), the applicable provisions of this title, and all other applicable District rules and regulations, except as provided in § 3417 of this subtitle.
Each community residence facility with five (5) or fewer residents plus the Residence Director and his or her family shall conform to Chapters 1 (except § 103), 3, 4, 5, 6 (except § 607), 7, 8, and 9 (except §§ 901 through 906) of title 14 DCMR (the D.C. Housing Code).
Each community residence facility with more than six (6) occupants shall comply with Chapters 1 (except § 103), 3, 4, 5, 6 (except § 607), 7, 8, and 9 (except §§ 901 through 906) of title 14 DCMR (D.C. Housing Code), and all other provisions of the Housing Code relating to rooming and boarding houses, apartment houses, and hotels or motels, depending on the nature of the community residence facility and the number of residents, except §§ 1003, 1303, and 1305.
A community residence facility may be classified as a residential occupancy and may be located in a single or multi-family dwelling.
The provisions of §§ 3424.1 and 3424.2 of this title shall not apply to group homes for mentally retarded persons.
The locations of group homes for mentally retarded persons shall be governed by applicable sections of the D.C. Zoning Regulations.
The provisions of § 3425.4 shall not apply to group homes for mentally retarded persons that have (or are intended when fully occupied to have) eight (8) or fewer mentally retarded persons as residents; provided, that those group homes shall at all times comply with the provisions of § 3425.3.
D.C. Mun. Regs. tit. 22, r. 22-B3425