Exterior soft wash
Exterior soft wash cost in Knoxville
Exterior soft wash in Knoxville runs between $0.078 and $0.245 per square foot of exterior wall, most likely $0.147. These are the Tennessee rates.
- Facade wash (drone)
- $0.147
- most likely, per square foot of exterior wall
- Range
- $0.078 to $0.245
- low to high, per square foot of exterior wall
- Drone reach
- 45 to 250
- feet, 4 to 20 stories
- Minimum job
- $5,000
- raised to it once, on the proposal
- Buildings on file
- 40,574
- public building records, as of October 16, 2026
- With measured height
- 30,247
- public building records, as of October 16, 2026
- Tallest
- 328.1 feet
- public building records, as of October 16, 2026
- Median estimate
- $9,500
- most likely, per building, SkyPSI estimator, as of October 16, 2026
Rates by service
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash (drone) | $0.078 | $0.147 | $0.245 |
| Facade wash with mold or growth treatment | $0.118 | $0.216 | $0.372 |
| Facade wash, conventional access | $0.147 | $0.265 | $0.441 |
Grade C: modelled from the Texas calibration and scaled by the state factor of 0.98. What the grades mean.
What moves the price
- Moderate: adds 10%
- High: adds 25%
- Extreme or first clean: adds 40%
- Minimum job value: $5,000
- Boom lift, up to 8 floors: $2,000 a week
- Boom lift, 9 to 12 floors: $3,500 a week
- Boom lift, 13 floors and up: $4,500 a week
- Lift fuel: $75 a day
- Access and permit costs
Building types
Tallest buildings on file
- 1928 Alcoa Highway, Knoxville192.9 feet, 14 stories
- 1705 Saint Mary Street, Knoxville190.2 feet, 14 stories
- 1300 Phillip Fulmer Way, Knoxville189.8 feet, 14 stories
- 1265 Edgemoor Road, Clinton187.9 feet, 15 stories
- 500 Clinch Avenue, Knoxville177.3 feet, 17 stories
- 520 West Summit Hill Drive, Knoxville163 feet, 13 stories
- 1500 Phillip Fulmer Way, Knoxville145.5 feet, 8 stories
- 400 Centrifuge Way, Oak Ridge143.3 feet, 7 stories
- 500 State Street, Knoxville140.1 feet, 7 stories
- 531 Henley Street, Knoxville139.6 feet, 11 stories
- 501 East Hill Avenue, Knoxville136.1 feet, 13 stories
- 265 Brookview Centre Way, Knoxville127.3 feet, 10 stories
Methods
- Dronebuildings from 45 feet to 250 feet tall
- Boom liftany height
- Rope accesswork above what a pole reaches
Questions
What does mold or algae treatment add by drone?
A drone facade wash with mold or growth treatment runs between $0.118 and $0.372 per square foot of exterior wall, most likely $0.216.
When does a boom lift or rope access fit better than a drone?
Conventional access suits buildings under 45 feet, which sit below the drone range. A conventional facade wash runs between $0.147 and $0.441 per square foot of exterior wall, most likely $0.265.
What changes the price of exterior soft wash in Knoxville?
Difficulty adds 10% for moderate access or soiling, 25% for high, and 40% for an extreme building or a first clean.
What does a boom lift add?
A boom lift for a building up to 8 floors adds $2,000 a week.
Is there a minimum job value?
The minimum job value is $5,000. A smaller job is raised to it once, on the proposal.
Which rates does Knoxville use?
Knoxville uses the Tennessee rates.
About these estimates
SkyPSI sets the exterior cleaning estimate for commercial buildings. Exterior soft wash is a service. Drone, boom lift and rope access are methods.
Related
Ask SkyPSI for a quote on your building.
Request a QuoteSources: USA Structures, Overture Maps building footprints, SkyPSI estimator, USGS 3D Elevation Program.
An estimate, not a quote. How a SkyEstimate is built.