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). 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 contract that outlines the terms of a sublease between an existing tenant and a subtenant. Pennsylvania law has many different rules surrounding breaking a lease agreement, especially when it comes to ending it before it expires. The Pennsylvania sublease agreement is executed when a tenant would like to rent their leased property to a third party. The Pennsylvania sublease agreement is executed when a tenant would like to rent their leased property to a third party.