Looking for a sample roommate agreement to make sure your living situation goes smoothly? We've got you covered from rent to rules.A California lease agreement allows a landlord of residential or commercial property to write a legally binding rental contract with a tenant. If you need a room for rent or want to share a place, complete your registration and provide the required information. This group has been created to connect people looking for roommates with people who have an available room in Riverside. No information is available for this page. A California lease agreement outlines the arrangement between a landlord and a tenant regarding the occupation of a property for a specified time period. Roommates must apply and qualify separately. A roommate agreement is a rental contract between the individuals living together that outlines the rules for the property. Your rental agreement can be verbal, written, implied, or a combination of them.