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Pressure washing cost calculator

Work out what a pressure washing job will cost from the area and the per-square-foot rate, before a quote lands. It applies the minimum charge that rules small jobs, and leaves room for the surfaces that cost more, so a driveway and a deck are not priced the same.

§ 01 Your numbers

Change anything. The answer updates as you type.

The surface area: a driveway, a patio, a stretch of siding. Measure roughly; the washer will confirm on site.
The rate for your surface. Flat concrete and siding are at the low end; a wood deck that needs care runs several times that.
The floor for sending a crew and equipment out. A small job pays this whether the area justifies it or not.
Deck sealing, gutter cleaning, a second surface, or a rust or oil treatment. Zero if none.
Estimated cost
$250

Typical range $200 – $325

  • Area charge (square feet × rate)$250
  • Extras & add-ons$0
  • Total$250
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Under about $250 is a driveway or a single surface at the minimum charge. Bundle another surface in, since you are paying the minimum anyway.

What this assumes, and where it could be wrong

Every one of these is a place the number could be off. They are here because you should be able to check our working, not because we are hedging.

IT IS PRICED BY THE FOOT, BUT THE MINIMUM CHARGE RULES SMALL JOBS.
Washers quote a per-square-foot rate, but they also set a minimum for showing up with a truck, a machine, and water. On a small driveway the minimum is most of your bill, which is why a tiny job and a medium one can cost nearly the same. The rate and the minimum are the washer's numbers, and they are what the calculator uses rather than a made-up average

The surface sets the rate, and the spread is large. Flat concrete, brick, and vinyl siding are at the low end; a wood deck or fence that needs a gentler pressure and more care runs several times the concrete rate. Price each surface at its own rate rather than one blended number, which is why the range is wide.

Soft washing is not the same job as pressure washing, and it can cost more. Roofs, painted surfaces, and some siding need low-pressure chemical cleaning rather than a high-pressure blast, which takes longer and uses more solution. If your job is really a soft wash, expect a higher rate than a driveway.

Access and dirt level move the price. A second-story wall, a gated backyard the hoses cannot reach, or years of algae all add time, and time is the cost. A washer who quotes low sight-unseen may revise upward on arrival, which the range allows for.

The defaults are ours and are a starting point. The area, the rate, and the minimum are yours, and the estimate is only as good as the rate you use for your actual surface.

Frequently asked questions

How much does pressure washing cost?
It is priced by the square foot, with a minimum charge for small jobs. Flat concrete and siding are at the low end per square foot and wood decks several times that, so a driveway is commonly a couple of hundred dollars and a whole house more. The numbers are the washer's, so the calculator uses your rate and area rather than an invented average.
What is the minimum charge for pressure washing?
A washer usually sets a floor for sending out a crew, a truck, and equipment. On a small job it is most of your bill, which is why washing just a driveway can cost nearly as much as a driveway plus a patio. Bundling surfaces into one visit is better value.
Is pressure washing priced per square foot or per hour?
Usually per square foot for a quote, though some washers price by the hour for odd or heavily soiled jobs. Per square foot is easier to compare between companies. Either way a minimum charge applies, and the surface type moves the rate more than anything, so ask for the rate on your specific surface.
Why is washing a deck more expensive than a driveway?
Because wood needs a gentler technique and more care. A driveway takes a high-pressure blast and goes fast; a deck can be damaged by that, so it is washed at lower pressure, often with a cleaning solution, and sometimes sealed after. More time and more product means a higher rate per square foot.

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