Except for a permit for a home improvement to be performed by a property owner, the building and permits department of a county or a municipal corporation may not issue a permit for a home improvement unless the permit includes the license number of a licensed contractor.
Md. Code Ann., Bus. Reg. § 8-504
Official source: Maryland General Assembly. Reproduced from public-domain Maryland statutes; confirm against the official source for the current text. Not legal advice.