Cost of Asphalt Shingle Roof Installation in Maryland$268.23 per 100 sq.ft. (standard quality, overlay existing roof) (Range: $204.36 - $332.09) Free Estimates from Local ProsCost of Tile Roof Installation in Maryland$1,245.32 per 100 sq.ft. (standard quality, no tear off of existing) (Range: $957.94 - $1,532.70) Free Estimates from Local ProsCost of Wood Shake Roof Installation in Maryland$775.93 per 100 sq.ft. (standard quality, no tear off of existing) (Range: $670.56 - $881.30) Free Estimates from Local ProsCost of Metal Roof Installation in Maryland$1,098.44 per 100 sq.ft (standing seam, no tear off of existing roof) (Range: $951.55 - $1,245.32) Free Estimates from Local ProsCost of Slate Roof Installation in Maryland$1,612.53 per 100 sq.ft. (not including roof tear off) (Range: $926.01 - $2,299.05) Free Estimates from Local ProsCost of Flat Roof Installation in Maryland$220.33 per 100 sq.ft. (asphalt roll, no existing roof tear off) (Range: $166.04 - $274.61) Free Estimates from Local Pros |