Tom Bosley -- who famously played Mr. Cunningham on  Happy Days  -- died this morning at a hospital in Rancho Mirage, CA ...
Average estimates: $250 to $420. Power washers can have pressures of 4,000 psi (pounds per square inch) to lesser pressures of maybe a few hundred and run by gas or electric. This means that professionals will probably use one with less pressure to clean a deck and maybe one with higher pressure to clean a patio.
1 According to Homewyse.com, the averages price of power washing house costs $0.69 â $1.18 per square foot. 2  DIYorNot.com states that the average power washing job is going to be $377 for a 1,200 square foot home.3  To get an exact quote for your area, consider using free quote search engines such as HomeAdvisor.com. So for a home that is 1,500 square feet, plan on budgeting anywhere from $150 to $750. 2  According to Homewyse.com, the averages price of power washing house costs $0.69 â $1.18 per square foot.