pressure wash and seal patio cost
1 Washing the exterior of a 2,100-square-foot home runs around $150-$750 or more. 2  Having an entire home pressure-washed (driveway, walkways, house, roof, deck, porch, patio, etc.), can be $500-$1,400 or more, depending on size, condition and local rates.he pressure washed my driveway, walkway and sidewalk all for $85.00. She also done my neighbor house. The next week she went and done my parents driveway whose is a long type driveway on the side of the house along with their walkway and sidewalk all for $150.00.