A California sublease agreement is a written arrangement that involves a residential tenant leasing their rental property to a subtenant. A California sublease agreement is a document between a current tenant (sublessor) and a subtenant for residential use.Explore a variety of California sub leases for shortterm arrangements. Find the perfect sublease in California to meet your needs. 1. Identify the parties involved in the sublet. Use this sublease agreement for California to ensure that you include all of the required clauses to make your sublease contract legally binding. Create your California sublease agreement here. Rent your unit to a subtenant and download our free template. This Sublease Agreement is made between. , individually or collectively as the "Sublandord," and.