Obtaining all the necessary information on a rental application allows the landlord to make a sound decision about renting to a particular person or to more than one person. What if a landlord thinks it is important to know whether or not a couple is married? Is it legal for the landlord to inquire whether or not a couple is married on the rental application? 1) Yes, as it may affect the couple 2) Yes, because this is a moral issue 3) It is legal, but might be considered unethical 4) No, this would be considered discrimination