A California sublease agreement is a document between a current tenant (sublessor) and a subtenant for residential use. 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. Date. ,. ("Landlord") and. ("Tenant") agree as follows ("Agreement"): 1. 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. A Sublease Agreement is a rental contract between an original tenant and a subtenant. All claims in the Contra Costa action currently remain stayed. A further status conference is set for November 26, 2002.