Most lease agreement and most rental agreements specifically state no subletting allowed. A California sublease agreement is a written arrangement that involves a residential tenant leasing their rental property to a subtenant.Authority agrees to rent to Tenant the dwelling unit located at. Hosted shortterm rental may not be rented for more than 90 days in any calendar year. The tenant may choose to rent out the entire property or a portion of the living space to the subtenant. Check with your lender that you are permitted to rent out your property. The unit is currently used for Airbnb.