D.C. Mun. Regs. tit. 24, r. 24-602
Owners or managers of any premises, or parts of any premises, where vehicles of any description are stored or kept for other people, for profit or gain, shall obtain a license and pay a license fee, except as provided in § 602.2; such businesses shall also obtain all other business licensure as required by law or regulation. Any parking facility licensee that operates valet parking services, as defined in § 613.1, shall also obtain a valet parking license, as provided in § 613.
In cases where a person or business operates parking facilities in multiple locations, each parking facility location shall require a separate license.
Where the area of a parking facility is five hundred square feet (500 ft.2) or less, the provisions of this chapter shall not apply.
Where the area of a parking facility is more than five hundred square feet (500 ft.2), the owner or manager of the parking lot shall obtain a license and pay a license fee.
Each license shall be valid for two (2) years and shall expire at the end of the license period.
Where more than one (1) of the designations of parking facilities is conducted or operated by any one (1) person, the license fee shall be paid for each type of business designation.
Each licensee shall comply with all applicable traffic laws and parking regulations when providing parking facility services.
D.C. Mun. Regs. tit. 24, r. 24-602