Md. Code, Housing and Community Development § 4–2911

(a) (1) A public housing agency shall conduct an initial inspection and periodic inspections thereafter of each unit rented using housing assistance payments to ensure the continued compliance with federal housing quality standards under 24 C.F.R. § 982.401 or 24 C.F.R. § 5.703, as applicable.

(2) Inspections shall occur on or before the initial lease date and at least biennially thereafter in accordance with the public housing agency’s administrative plan.

(b) For a unit located in a building with 3 to 49 units, the property owner shall provide the public housing agency with a certificate of occupancy that has been completed within 1 year.

(c) For a unit located in a building with 50 units or more, the property owner shall provide the public housing agency with an inspection certificate.