Tenants who wish to sublease remain legally responsible for the property. Some leases in Philly allow subletting, meaning another person can live in the apartment and pay rent while you travel or work elsewhere.We created this community to make the process of finding a new home, tenant, or roommate, just that bit easier. It might forbid subletting. Create your Pennsylvania sublease agreement and sublet your property. Rent your unit to a subtenant with our attorney-approved template. You need a Rental License to rent out a property. One license can cover all units within a single address. Subletting is when thirdparty rents or "subleases" the property from the original tenant. There are a variety of reasons why your tenant may ask to sublease in Philadelphia.