To rent a room, both parties sign the contract and the landlord collects a deposit from the tenant before handing over the keys Although these checks help you avoid dealing with the wrong tenants, you should not base your decision to rent the property solely on the results. Many states have strict guidelines for discrimination against tenants. Refusal of lease for minor offenses or bad credit can rightly be considered a violation of federal anti-discrimination law. Frequent violations of the rental agreement are unpaid rental and electricity bills, damage to the property and the tenant who breaks the law. The following standard lease agreement for residential buildings works for all states except California, Florida, and Washington, DC.