A California rental application enables landlords to collect information on tenants before entering into a rental agreement. Required Disclosures on Application Forms.Credit and Background Check Requirements. Be sure to include your two most recent bank statements, two most recent paystubs or offer of employment. Fill has a huge library of thousands of forms all set up to be filled in easily and signed. Fill in and edit forms. How to fill out the California Rental Application - Fillable Form? 1. Gather personal and financial information. 2. Rental Application Form. Please fill in all the blanks as detailed as possible.