# Exterior soft wash cost in Houston Exterior soft wash in Houston runs between $0.08 and $0.25 per square foot of exterior wall, most likely $0.15. These are the Texas rates. Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 14, 2026. Method propdata-estimator-v6. ## Rates by service **Exterior soft wash rates in Houston, per square foot of exterior wall** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash (drone) | $0.08 | $0.15 | $0.25 | | Facade wash with mold or growth treatment | $0.12 | $0.22 | $0.38 | | Facade wash, conventional access | $0.15 | $0.27 | $0.45 | Grade C: modelled from the Texas calibration. [What the grades mean](https://skypsi.com/estimates/methodology/confidence-grades/). ## 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](https://skypsi.com/estimates/methodology/add-ons/) ## Buildings on file - Buildings on file: 291,317 (public building records, as of October 14, 2026) - With measured height: 218,431 (public building records, as of October 14, 2026) - Tallest: 1,002 feet (public building records, as of October 14, 2026) - Median estimate: $12,000 (most likely, per building, SkyPSI estimator, as of October 14, 2026) ## Building types - [Office](https://skypsi.com/estimates/exterior-soft-wash/tx/houston/office/) - [Retail](https://skypsi.com/estimates/exterior-soft-wash/tx/houston/retail/) - [Industrial](https://skypsi.com/estimates/exterior-soft-wash/tx/houston/industrial/) ## Tallest buildings on file - [700 Louisiana St, Houston](https://skypsi.com/property/tx/houston/spc0p5edbdqgrrq-700-louisiana-st-houston/): 716.5 feet, 56 stories - [1600 Smith Street, Houston](https://skypsi.com/property/tx/houston/sp4j97883wkn2hp-1600-smith-street-houston/): 639.8 feet, 50 stories - [804 Fannin Street, Houston](https://skypsi.com/property/tx/houston/sp8r66fe2hsxkn8-804-fannin-street-houston/): 630 feet, 49 stories - [700 Milam Street, Houston](https://skypsi.com/property/tx/houston/spm30sj27nyjfd1-700-milam-street-houston/): 520.7 feet, 36 stories - [1550 Post Oak Blvd, Houston](https://skypsi.com/property/tx/houston/spqhwnfmk52sew2-1550-post-oak-blvd-houston/): 475.7 feet, 30 stories - [929 Gessner Road, Houston](https://skypsi.com/property/tx/houston/spmr80zja09ddh2-929-gessner-road-houston/): 454.7 feet, 33 stories - [1200 Smith Street, Houston](https://skypsi.com/property/tx/houston/spm4qdfq1gh4mpg-1200-smith-street-houston/): 451.4 feet, 35 stories - [3200 Southwest Fwy, Houston](https://skypsi.com/property/tx/houston/spc0k2npt9v5cpy-3200-southwest-fwy-houston/): 437 feet, 34 stories - [6530 Fannin Street, Houston](https://skypsi.com/property/tx/houston/spc699sez7q50gq-6530-fannin-street-houston/): 411.1 feet, 30 stories - [7007 Bertner Avenue, Houston](https://skypsi.com/property/tx/houston/sp7fr81cdpz4007-7007-bertner-avenue-houston/): 402.9 feet, 29 stories - [6624 Fannin Street, Houston](https://skypsi.com/property/tx/houston/spmgrqc1dcte8qr-6624-fannin-street-houston/): 395 feet, 29 stories - [6400 Fannin Street, Houston](https://skypsi.com/property/tx/houston/spmksbf3fzsnzg3-6400-fannin-street-houston/): 385.8 feet, 28 stories ## Methods - [Drone](https://skypsi.com/estimates/exterior-soft-wash/drone/tx/houston/): buildings from 45 feet to 250 feet tall - [Boom lift](https://skypsi.com/estimates/exterior-soft-wash/lift/tx/houston/): any height - [Rope access](https://skypsi.com/estimates/exterior-soft-wash/rope-bmu/tx/houston/): work 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 $0.12 and $0.38 per square foot of exterior wall, most likely $0.22. ### 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 $0.15 and $0.45 per square foot of exterior wall, most likely $0.27. ### What changes the price of exterior soft wash in Houston? 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 Houston use? Houston uses the Texas 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 - [Exterior soft wash in Texas](https://skypsi.com/estimates/exterior-soft-wash/tx/) - [Window cleaning in Houston](https://skypsi.com/estimates/window-cleaning/tx/houston/) - [How a SkyEstimate is built](https://skypsi.com/estimates/methodology/how-a-skyestimate-is-built/) - [Rates for every service](https://skypsi.com/estimates/methodology/per-square-foot-bands/) - [Regional price factors](https://skypsi.com/estimates/methodology/regional-price-factors/) [Request a Quote](https://skypsi.com/request-a-quote) --- Sources: USA Structures, Overture Maps building footprints, SkyPSI estimator, USGS 3D Elevation Program. Building footprints: USA Structures, FEMA Response Geospatial Office, Oak Ridge National Laboratory and U.S. Geological Survey (CC BY 4.0). https://disasters.geoplatform.gov/USA_Structures/ Building footprints from Overture Maps Foundation, including OpenStreetMap contributors, Microsoft, Esri Community Maps contributors and USGS, under the Open Database License (ODbL). https://opendatacommons.org/licenses/odbl/1-0/ Building heights from the U.S. Geological Survey 3D Elevation Program (public domain). https://www.usgs.gov/3d-elevation-program Page: https://skypsi.com/estimates/exterior-soft-wash/tx/houston/ JSON: https://skypsi.com/estimates/exterior-soft-wash/tx/houston.json Content license: https://skypsi.com/content-license.txt