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.
Make sure that anyone you employ knows the difference and can use high-quality equipment for the cleanest possible finish. While the cost of a power washing project will differ substantially from home to home, expect to pay somewhere between $474 and $690 for the average job.ake sure that anyone you employ knows the difference and can use high-quality equipment for the cleanest possible finish. While the cost of a power washing project will differ substantially from home to home, expect to pay somewhere between $474 and $690 for the average job.