How To Write A Reference Letter For A Tenant . The letter serves as a reference to the tenant’s rental history, stating any violations or late rent payments during the course of the lease. Rental reference letter from a roommate sample. Sample Landlord Reference Letter Template Mous Syusa from moussyusa.com Accordingly, what should be in a landlord reference letter? Here the writer mentions the address and location of the rental unit, whether or not all the payments are current and up to date and finally speaks of the character of the subject. However, you may not always get asked to write a tenant recommendation letter for someone you liked.