# Window cleaning cost in Delaware

Window cleaning in Delaware runs between $0.031 and $0.104 per square foot of exterior wall, most likely $0.062.

Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 2, 2026. Method propdata-estimator-v6.

## Rates by service

**Window cleaning rates in Delaware, per square foot of exterior wall**

| Service | Low | Most likely | High |
| --- | --- | --- | --- |
| Exterior windows only | $0.031 | $0.062 | $0.104 |
| Windows inside and out | $0.052 | $0.104 | $0.187 |
| Exterior windows, rope access | $0.208 | $0.416 | $0.728 |
| Windows inside and out, rope access | $0.229 | $0.458 | $0.811 |

Grade C: modelled from the Texas calibration and scaled by the state factor of 1.04. [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
- [Access and permit costs](https://skypsi.com/estimates/methodology/add-ons/)

## Methods

- [Drone](https://skypsi.com/estimates/window-cleaning/drone/de/): buildings from 45 feet to 250 feet tall
- [Rope access](https://skypsi.com/estimates/window-cleaning/rope-bmu/de/): work above what a pole reaches

## Questions

### What changes the price of window cleaning in Delaware?

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

### What do inside windows add by drone?

Windows inside and out run between $0.052 and $0.187 per square foot of exterior wall, most likely $0.104.

### What do inside windows add by rope access?

Windows inside and out run between $0.229 and $0.811 per square foot of exterior wall, most likely $0.458.

### Is there a minimum job value?

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

### How tall a building can a drone clean?

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

### How does Delaware compare with the Texas baseline?

Delaware applies a factor of 1.04 to the Texas baseline band.

## About these estimates

SkyPSI sets the exterior cleaning estimate for commercial buildings. Window cleaning is a service. Drone and rope access are methods.

## Related

- [Window cleaning in the United States](https://skypsi.com/estimates/window-cleaning/)
- [Window cleaning in the District of Columbia](https://skypsi.com/estimates/window-cleaning/dc/)
- [Window cleaning in Florida](https://skypsi.com/estimates/window-cleaning/fl/)
- [Window cleaning in Georgia](https://skypsi.com/estimates/window-cleaning/ga/)
- [Exterior soft wash in Delaware](https://skypsi.com/estimates/exterior-soft-wash/de/)
- [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: SkyPSI estimator.

Page: https://skypsi.com/estimates/window-cleaning/de/
JSON: https://skypsi.com/estimates/window-cleaning/de.json
Content license: https://skypsi.com/content-license.txt