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.Create your California sublease agreement here. Rent your unit to a subtenant and download our free template. California law requires tenants to seek explicit, written permission from their landlords to sublet if it is not already allowed in the lease. Sublet your property in California with confidence using our customizable agreement template. Ensure legal compliance. This Sublease Agreement is made between. , individually or collectively as the "Sublandord," and. Shift a lease to a new tenant with the landlord's consent using a sublease of residential lease form template.