It's not only in Mass, in northern Virginia I just got a quote for 51k - 56K for a 20x24, 10 foot walls and 4" concrete slab, with a 25 feet of ashpalt driveway. Seperate 200 amp service with 3 outlets and 1 lighting circuit. 3 vinyl insulated windows, a steel 32" man door and an insulated 16...