House Maid involves visiting player owned houses and cleaning them.
House Maid is an option (mini-mission) you can choose at any house's checkpoint. When you choose the "House Maid" option you enter the player's house and the cleaning starts automatically. You keep receiving $100 with a maximum of $3000 while staying in the house and when the cleaning is over, you receive a $1000 bonus.
While cleaning a house you can't use any weapons! It's important to know that only civilian players can play this mini-mission. Also, if you are wanted or a ticket-able, you can't enter into someone's house. Once you clean a house, you need to wait few minutes to be able to enter another one.