But many form agreements say that a landlord has 30 days to return an application deposit after rejection. I was told I needed to fill out a rental application (where ssn is required) before viewing it because he gets several requests a day.Application Deposit: Not always required. Refundable if your application is rejected and should be refunded within 30 days. Zillow Rental Manager makes tenant screening easy. Get access to each applicant's eviction history, income documents, credit history and background check. Our Tenant Screening Service gives Landlords a comprehensive Tenant background check, including a financial, criminal, and rental history check. Open House applicants are subject to a background check including criminal history and credit screening as part of the application processing procedure.