C.D.
Yes it is legal so long as the house as not been divided into seperate living facilities..such as having a seperate enterance. Wether or not the gentleman is paying rent is of no concern. You may have a non relative room mate so long as the above conditions are met. It would be the same as two girls sharing a house. While extra cars on the street can be tiredsome the street is public property and you can not dictate who parks where.