The document summarizes rental licensing programs in five Maryland jurisdictions: Baltimore County, Montgomery County, Rockville, Laurel, and Gaithersburg. All require rental properties to register and obtain a license which includes an inspection. Fees and fines vary by jurisdiction. Licenses must be renewed every 1-3 years along with required re-inspections. Programs aim to support code enforcement, education, and landlord-tenant relations. Exemptions exist for owner-occupied or relative-occupied dwellings.