Md. Code, Local Government § 13–907

(a) The provisions of §§ 9–105 and 9–106 of this article apply to an act, an

ordinance, or a resolution adopted under this section.

(b) The County Commissioners of Washington County may adopt licensing

requirements for home builders.

(c) The County Commissioners of Washington County may:

(1) set a license fee; and

(2) require an applicant or licensee to provide a performance bond.