§ 15-203. Number of structures on a lot.

(a) In general.

Except in a planned unit development or as authorized in subsection (b) of this section:

(1) no more than 1 principal detached structure may be located on:

(i) any residential lot; or

(ii) any lot adjacent to a residential lot; and

(2) no principal detached structure or any other free-standing structure may be located with any other principal structure on the same:

(i) residential lot, except as specified in § 1-210 {"Use and site development standards"} or § 15-601 {"Permitted projections and obstructions into required yards"}; or

(ii) any lot adjacent to a residential lot.

(b) Exceptions.

Notwithstanding subsection (a) of this section, the Zoning Administrator shall approve the construction of more than 1 principal detached structure or other free-standing structure on a residential lot or any lot adjacent to a residential lot, if:

(1) the development otherwise would conform to the requirements of this Article; and

(2) the requirements of site plan review and design review are met.