Tomonth agreement is a 30day contract. Each time you pay rent, you renew the contract for another 30 days.A California lease agreement allows a landlord of residential or commercial property to write a legally binding rental contract with a tenant. Create your free online lease agreement. Build a customizable rental agreement you can edit, share and sign online. The form collects the tenant's personal information, rental history, income, and references. A California lease agreement outlines the arrangement between a landlord and a tenant regarding the occupation of a property for a specified time period. A California lease agreement outlines the arrangement between a landlord and a tenant regarding the occupation of a property for a specified time period. A lease agreement is a legal document between a landlord who rents property to a tenant in exchange for payment. Use this template when you're renting out a room in your property and need to set rules and boundaries.