I paid $5,800 last week for a new roof. 41 squares. Remove old roof shingles and replace 30 year architectural shingles, replace 3 sheet of plywood decking, remove two old turbine vents, install 70 linear feet of ridge vent, reflash chimney, haul off debris, and remove nails from yard and driveway with magnet. Single story ranch with 4/12 pitch, located in Mississippi.