A California roommate agreement defines an arrangement between people occupying the same residence. To move-in on this earlier date.A California roommate agreement explains the duration and rent compensation for a new tenant in a shared residence. We are entering into this Agreement in order to identify the rights and responsibilities of each tenant during the course of the lease agreement. This Agreement will be attached to each roommate's copy of the lease contract. A roommate agreement, also known as a roommate rental agreement, is a contract between you and your roommate. Your California room rental agreement addresses specific issues, such as shared utilities, shared housing, security deposit, rent due, and more. Next enter the full legal names of the roommates, we provide space for two roommates. Download our free California room rental agreement template to rent out a separate room within a rental property to a subtenant. As co-tenants, roommates are on the same lease with equal responsibilities to the landlord.