How Much Does It Cost to Pressure Wash a House in Knoxville? (2026)

Most house washes in the Knoxville and East Tennessee area land in a ballpark of $150 to $450. Where you fall in that range depends on the size of your home, how many stories it is, and how much algae and mildew has built up on the siding. That is a planning range, not a quote. The only way to get an exact price is a free estimate where we actually look at your house.

What a house wash actually costs around Knoxville

It helps to think of house washing in a few tiers based on the size of the home and how far up we have to reach.

Small single-story home: roughly $150 to $250

A one-story ranch or a smaller home with straightforward access sits at the lower end. Less square footage of siding and no second story to reach keeps the job quick and the price down.

Average two-story home: roughly $250 to $375

This is where most East Tennessee homes land. A two-story with a normal footprint takes more time, more solution, and more reach on the upper sections, so it costs more than a small ranch but stays in a very reasonable band.

Large or heavily stained home: roughly $375 to $450 and up

Bigger homes, tricky access, tall peaks, or siding that is coated in years of green and black growth take longer and use more product. If a home has not been washed in a long time, the algae is thicker and the job is bigger.

What drives the price up or down

Two homes that look about the same size can still get different quotes. Here is what moves the number.

• ▸Square footage of siding. More wall to clean means more time and more solution.
• ▸Number of stories. Reaching a second or third story safely takes longer than a single-story rinse.
• ▸How much growth is on it. A home coated in thick algae and mildew takes more work than one that gets washed every year.
• ▸Access. Tight side yards, steep grades, heavy landscaping, and fences all slow the job down.
• ▸Siding material. Vinyl, brick, stucco, and Hardie board all soft wash fine, but some surfaces need more care.
• ▸Add-ons. Folding in the driveway, walkways, or gutter faces changes the total.

That is exactly why a firm price over the phone is never accurate. Anyone who gives you a hard number without seeing your home is guessing.

Why we soft wash your siding instead of blasting it

The green and black streaks on your siding are algae and mildew, not loose dirt. High pressure might knock some of it off, but it can also gouge vinyl, force water behind the panels, and strip paint. We soft wash instead. Soft washing uses low pressure and the right cleaning solution to kill the growth at the root, then rinses the house clean. It is safe on vinyl, brick, stucco, Hardie board, and painted wood, and because it kills the algae rather than just spraying it around, your home stays clean far longer.

The stains on your siding are living algae. Kill it at the root and it stays gone. Blast it and it grows right back.

How often you should have it done in East Tennessee

Our humidity feeds algae and mildew, so East Tennessee homes get dirty faster than homes in a dry climate. Most homeowners here do well with a soft wash about once a year. Homes tucked under heavy shade or a lot of trees may want it a little more often, since shade and moisture are exactly what mold loves. Washing on a regular schedule also keeps each job smaller and easier, because the growth never gets a chance to build up thick.

Simple ways to keep the cost reasonable

1. Do not wait years. The thicker the algae, the bigger the job. A yearly wash stays quick and affordable.
2. Bundle your exterior. Washing the house, driveway, and walkways in one visit is more efficient than separate trips.
3. Clear easy access. Moving cars, patio furniture, and trash cans out of the way before we arrive saves time.
4. Get on a schedule. Recurring cleanings keep every visit small instead of letting a decade of grime pile up.

Why the exact price comes from a free estimate

We give ranges so you can plan, but we do not hand out binding quotes over the phone, because that would not be honest. Until we see your home, measure the reach, check the siding, and see how much growth is on it, any number is a guess. Our estimate is free and there is no pressure. You get a clear price before we ever touch the house.

About Can Do Pressure Washing

Can Do Pressure Washing LLC is a locally owned pressure washing company based in Maynardville, run by Cody, serving Knoxville, Maynardville, Tazewell, and the surrounding East Tennessee towns. We handle homes and businesses, we soft wash siding and roofs the safe way, and we back our work with a satisfaction guarantee. Free estimates, same-day service, and we are reachable 24/7.