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Directory of Pressure Washing Services. The following cost information is intended to be general information. If you are looking for an exact cost for a pressure washing service, you need to contact a professional in your local area. What is the average cost of a pressure washing a house? The average cost of pressure washing a house ranges from $250 to $450 depending upon your geographic location and the size of your home.
$0.54. Get an INSTANT estimate of the cost to Power Wash Deck! Our free calculator uses recent, trusted data to estimate costs for your Deck Power Washing project. For a basic 500 square feet project in zip code 47474, the benchmark cost to Power Wash Deck ranges between $0.31 - $0.54 per square foot* .To estimate costs for your project: 1. Costs for testing and remediation of hazardous materials (asbestos, lead, etc). 2  General contractor overhead and markup for organizing and supervising the Deck Power Washing. 3  Add 15% to 23% to the total cost above if a general contractor will supervise this project.