It is expected that each party will sign at least a one year Lease Agreement. A California lease agreement allows a landlord of residential or commercial property to write a legally binding rental contract with a tenant.While hiring an attorney is always advisable for reviewing a lease agreement, some landlords and tenants may want to draft their own documents. California association of realtors make their lease forms free to use for landlords wothout payment. No information is available for this page. It consists of three parts: Part A: Contract Information, Part B: Body of Contract, and Part C: Tenancy Addendum. A California lease agreement outlines the arrangement between a landlord and a tenant regarding the occupation of a property for a specified time period. Comprehensive guide to California landlordtenant law. Learn key rules, rights, and responsibilities for landlords and tenants. Landlords must provide contact information for any new owner or manager of the rental. 2.