Who should pay the fee? But many form agreements say that a landlord has 30 days to return an application deposit after rejection.A landlord credit check helps determine if you're likely to pay rent. Dollar icon. Payments. Learn how to pass a credit check and improve your credit score. Create an Avail Renter Profile to simplify the rental application process. Landlords must accept a tenant-provided background or credit check. The tenant-provided report must be no more than 30 days old. Credit and background check information is pulled once during the 30 day period. When you fill out a rental application, you'll grant the landlord permission to check your credit score and to do a background check.