# Exterior soft wash cost for office buildings in Chicago

Glass sets the price of an office building. A SkyEstimate prices the windows and the facade on one schedule. Exterior soft wash for office buildings in Chicago runs between $0.082 and $0.258 per square foot of exterior wall, most likely $0.154. These are the Illinois rates for office buildings.

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 for office buildings in Chicago, per square foot of exterior wall**

| Service | Low | Most likely | High |
| --- | --- | --- | --- |
| Facade wash (drone) | $0.082 | $0.154 | $0.258 |
| Facade wash with mold or growth treatment | $0.124 | $0.227 | $0.391 |
| Facade wash, conventional access | $0.154 | $0.278 | $0.464 |

Grade C: modelled from the Texas calibration and scaled by the state factor of 1.03. [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

- Office buildings on file: 5,493 (public building records, as of October 14, 2026)
- Offices with measured height: 4,848 (public building records, as of October 14, 2026)
- Median office estimate: $12,500 (most likely, per building, SkyPSI estimator, as of October 14, 2026)

## What the estimate starts from

A SkyEstimate for office buildings starts from exterior wall area. [How wall area is measured](https://skypsi.com/estimates/methodology/wall-area/).

## Methods

- [Drone](https://skypsi.com/estimates/exterior-soft-wash/drone/il/chicago/office/): buildings from 45 feet to 250 feet tall
- [Boom lift](https://skypsi.com/estimates/exterior-soft-wash/lift/il/chicago/office/): any height
- [Rope access](https://skypsi.com/estimates/exterior-soft-wash/rope-bmu/il/chicago/office/): work above what a pole reaches

## Questions

### How tall an office building can a drone wash?

Drone washing fits office buildings from 45 feet to 250 feet tall, which is 4 stories to 20 stories.

### What does soft washing an office facade cost?

A drone facade wash runs between $0.082 and $0.258 per square foot of exterior wall, most likely $0.154.

### What changes the price of exterior soft wash in Chicago?

Difficulty adds 10% for moderate access or soiling, 25% for high, and 40% for an extreme building or a first clean.

### What is the minimum job for an office building?

The minimum job value is $5,000. A smaller job is raised to it once, on the proposal.

## Other building types

- [Retail](https://skypsi.com/estimates/exterior-soft-wash/il/chicago/retail/)
- [Industrial](https://skypsi.com/estimates/exterior-soft-wash/il/chicago/industrial/)

## 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 Chicago](https://skypsi.com/estimates/exterior-soft-wash/il/chicago/)
- [Window cleaning for office buildings in Chicago](https://skypsi.com/estimates/window-cleaning/il/chicago/office/)
- [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)

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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

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