Next, provide relevant property details such as address and type. Our free sublease agreement template makes it easier to sublet your room or apartment.Edit and store it on Contractbook to keep track of dates and obligations. When you suspect a tenant is subletting your property, the first thing you want to do is check your lease agreement. Make sure you have a no subletting clause. The lease agreement should clearly describe the rental property's address and specific unit numbers. This Sublease Agreement is available for use on UpCounsel. The landlord is not REQUIRED to sign the sublease. A California sublease agreement is a written arrangement that involves a residential tenant leasing their rental property to a subtenant. Rights: The sublessee has the right to occupy and utilize the property according to the conditions set in the sublease agreement.