The alleged incident happened shortly after noon on Tuesday.
According to detectives, Rafael Garcia, 37, of Central Islip, was inside a residence on Washington St. delivering furniture, when he put his hand on a female victim's lower back and then down onto her buttocks. When the woman proceeded to walk up the stairs, investigators said Garcia followed her and bent over to look up her dress.
Garcia, who is employed by Bob's Furniture Store, was arrested on Thursday. He is being charged with Forcible Touching.
Detectives ask anyone who has been victimized by this defendant to call the First Squad at 516-573-6156.