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.Download a customizable rental application rejection letter template for landlords or property managers to professionally notify applicants. We outline the essential state-specific Landlord-Tenant Laws for California. Learn about tenant rights, security deposits, essential notices, and more. Just ghost him for a while until new tenant is moved on. Declining to rent to someone for "no reason" is almost always legal. We discuss everything you need to know about turning down applicants and provide a template for your convenience.