Create your Pennsylvania sublease agreement and sublet your property. Rent your unit to a subtenant with our attorney-approved template.A Pennsylvania sublease agreement formalizes a rental arrangement between a current tenant (sublessor) and a new tenant (sublessee). 1. The sublessee shall be liable for the full rent of the sublessor in the amount of. State the rent schedule and amount. State the agreed upon rental amount and when the subtenant must pay it. The Guide explains what you should know when applying to rent, living in a rented property, and dealing with the end of a lease. A Pennsylvania sublease agreement allows a tenant to lease their unit to a third party to the lease agreement for a set period of time. A sublease agreement is a legal document that allows a tenant to sublet a property to someone else (subtenant). Also known as subletting.