I am in another state and already have a lead license. Will Pennsylvania recognize that license?Learn about the processes for obtaining business and personal licenses in Allegheny County. Learn all about PA labor laws for small businesses, including wage, overtime, and leave policies. Any home improvement contractor who is not registered is prohibited from offering or performing home improvements. Being in compliance with the applicable standards set forth in the following: A. The Fair Housing Act (Public Law 90-284 as amended, 42 U.S.C. § 3601 et seq.). Appointments will be taken Monday thru Friday from am to Noon and – pm for civil ceremonies. Please call 301-777-5922 to schedule your ceremony. Firearms: Licenses to Carry A FIREARM. The firearms permit office is open Monday through Friday from am to pm with the exception of holidays.