Your letter should have a professional and informative tone, covering exactly why you're denying their rental application. In this article, we'll talk you through what's included in a rental application denial letter and even give you a free template to use.You should always act fairly, professionally, and compliantly when rejecting rental applications. Check out our guide below for the best practices. Just ghost him for a while until new tenant is moved on. If your California rental application is denied, the landlord must provide you with an "adverse action" notice. In this post, we go through how to deny an applicant based on suspect information on their tenant screening report. What should be included in your rental application denial letter? When filling out a rental application, be sure to provide accurate information and fill out the form to the best of your ability. It's always better to communicate that a potential tenant has been turned down, rather than completely ignore the application.