A California sublease agreement is a document between a current tenant (sublessor) and a subtenant for residential use. This Sublease Agreement is made between., individually or collectively as the "Sublandord," and. A California sublease agreement is a written arrangement that involves a residential tenant leasing their rental property to a subtenant. Sublet your property in California with confidence using our customizable agreement template. Ensure legal compliance. Create your California sublease agreement here. Rent your unit to a subtenant and download our free template. The California sublease agreement will allow a tenant (sublessor) of a property to introduce a subtenant, called a "sublessee." BASIC SUBLEASE PROVISIONS. Parties.