# 601 Warren Avenue, Warrenville

School in Warrenville, Illinois. It covers 8,917 square feet on the ground.

Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 9, 2026. Method propdata-estimator-v6.

## This building

601 Warren Avenue, Warrenville. School in Warrenville, Illinois. Property ID sppw054c81paern.

## Facts

**Facts about 601 Warren Avenue, Warrenville**

| Fact | Value | Source |
| --- | --- | --- |
| Address | 601 Warren Avenue, Warrenville, IL 60555 | [USA Structures](https://skypsi.com/property/il/chicago/sppw054c81paern-601-warren-avenue-warrenville/#how-we-know) |
| Building type | School | [USA Structures and SkyPSI estimator](https://skypsi.com/property/il/chicago/sppw054c81paern-601-warren-avenue-warrenville/#how-we-know) |
| Place name | German Language School Naperville | [Overture Maps places](https://skypsi.com/property/il/chicago/sppw054c81paern-601-warren-avenue-warrenville/#how-we-know) |
| Place type | language school | [Overture Maps places](https://skypsi.com/property/il/chicago/sppw054c81paern-601-warren-avenue-warrenville/#how-we-know) |
| Footprint | 8,917 square feet | [USA Structures](https://skypsi.com/property/il/chicago/sppw054c81paern-601-warren-avenue-warrenville/#how-we-know) |
| Perimeter | 397.82 feet | [USA Structures](https://skypsi.com/property/il/chicago/sppw054c81paern-601-warren-avenue-warrenville/#how-we-know) |
| Stories | 2 stories | [SkyPSI estimator](https://skypsi.com/property/il/chicago/sppw054c81paern-601-warren-avenue-warrenville/#how-we-know) |

## Cost ranges

Whole-building ranges from the SkyPSI estimator, calibrated October 2, 2026. Grade C: modelled from the Texas calibration. [What the grades mean](https://skypsi.com/estimates/methodology/confidence-grades/).

### Exterior soft wash

**Exterior soft wash from a boom lift, whole building**

| Service | Low | Most likely | High |
| --- | --- | --- | --- |
| Facade wash, conventional access | $1,500 | $3,000 | $4,500 |

## Best method

- [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $3,000.

## Similar buildings nearby

- [451 Warrenville Road, Warrenville](https://skypsi.com/property/il/chicago/spcw1dwrt9x19as-451-warrenville-road-warrenville/)
- [601 Warren Avenue, Warrenville](https://skypsi.com/property/il/chicago/sp42ar2t9pacyqq-601-warren-avenue-warrenville/)
- [441 Warrenville Road, Warrenville](https://skypsi.com/property/il/chicago/spz6z4axh9e5zqr-441-warrenville-road-warrenville/)

## How we know

Each fact names the source it comes from. A building file carries the source of each field, and SkyPSI shows that source beside the fact.

- [USA Structures](https://disasters.geoplatform.gov/USA_Structures/): Building footprints, heights and occupancy from FEMA's USA Structures.
- [Overture Maps places](https://docs.overturemaps.org/attribution/): Business and place names from the Overture Maps places theme.
- [SkyPSI estimator](https://skypsi.com/estimates/methodology/sources-and-licensing/): SkyPSI's own price model, calibrated rates and building-class rules.

Cost ranges come from the SkyPSI estimator, calibrated October 2, 2026. [How a SkyEstimate is built](https://skypsi.com/estimates/methodology/how-a-skyestimate-is-built/).

[Request a Quote](https://skypsi.com/request-a-quote)

---

Sources: USA Structures, Overture Maps places, SkyPSI estimator.

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/

Business names: Overture Maps Foundation, overturemaps.org (places theme, CDLA Permissive 2.0). https://docs.overturemaps.org/attribution/

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