Learn what to include in a Massachusetts rental application form. Use an online rental application template on Avail.A downloadable rental application, complete with helpful secondary forms and explanations for how to use it. Property: The property being rented. You'll include proof of ownership (e.g. Zillow Rental Manager offers an easy online rental application and screening process. See how it works: Does each tenant need to fill out a rental application? The landlord needs to make the informed decision whether you will be likely to pay your rent, treat the property well, and be good neighbors. All co-tenants and co-signers will have to fill out a separate application. The application fee is nonrefundable.