§17–602.

(a) Except as provided in § 8–317 of this article, a person must have a construction license whenever the person does construction business in the State. (b) A person who is incorporated or has its principal office in another state must have a nonresident construction license, in addition to any other license required by law, whenever the person does construction business in this State. (c) (1) A construction license must be issued in the county where the construction business has its principal place of business. (2) A nonresident construction license must be issued in the county where the construction business first does construction business in the State. (d) A construction license or nonresident construction license under this subtitle authorizes the licensee to do construction business in the State.