Determination of vacancy and blight.

(a) When making a determination that a building is vacant, the Mayor shall consider the following: (1) Neighbor complaints; (2) Advisory Neighborhood Commission certification; (3) Accumulated mail, fliers, or newspapers; (4) Past due utility notices, disconnected utilities, or low utility usage inconsistent with regular and habitual occupancy; (5) Presence of overgrown vegetation, dead or diseased trees, or noxious weeds; (6) Absence of furnishings or personal items consistent with habitation; (7) Building is open to casual entry or trespass; and (8) Any other criteria the Mayor deems relevant. (b) When making a determination that a vacant building is a blighted vacant building, the Mayor shall consider the following: (1) Incidence of illegal activity, as documented by police reports; (2) Whether the vacant building is the subject of a condemnation proceeding before the Board for the Condemnation of Insanitary Buildings; (3) Referrals to the Department of Buildings from other District agencies; (4) One or more windows, doors, or other means of entry are missing or boarded up; (5) Collapsing, missing, or deteriorating walls, roof, stairs, porches, balconies, chimneys, and other building elements; (6) Siding or exterior walls that are seriously damaged, missing, or deteriorating; (7) Trash and debris are improperly stored or accumulated on the premises; (8) Building shows visible signs of vandalism, such as graffiti; (9) Presence of mold, algae, abandoned or wild animals, or insect or pest infestation; and (10) Any other criteria the Mayor deems relevant.