# 185 East Illinois Road, Lake Forest School in Lake Forest, Illinois. It covers 11,879 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 185 East Illinois Road, Lake Forest. School in Lake Forest, Illinois. Property ID sp1pvj3rn51g5f4. ## Facts **Facts about 185 East Illinois Road, Lake Forest** | Fact | Value | Source | | --- | --- | --- | | Address | 185 East Illinois Road, Lake Forest, IL 60045 | [USA Structures](https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/#how-we-know) | | Building type | School | [USA Structures and SkyPSI estimator](https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/#how-we-know) | | Place name | Church Of St. Mary | [Overture Maps places](https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/#how-we-know) | | Place type | catholic church | [Overture Maps places](https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/#how-we-know) | | Footprint | 11,879 square feet | [USA Structures](https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/#how-we-know) | | Perimeter | 697.7 feet | [USA Structures](https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/#how-we-know) | | Height | 48.36 feet | [USGS 3D Elevation Program](https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/#how-we-know) | | Height survey year | 2017 | [USGS 3D Elevation Program](https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/#how-we-know) | | Stories | 4 stories | [USGS 3D Elevation Program](https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/#how-we-know) | | Exterior wall area | 33,740 square feet | [SkyPSI estimator](https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/#how-we-know) | | Parcel number | 1233122001 | [County and state public records](https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/#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 by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash (drone) | $3,000 | $5,500 | $9,000 | | Facade wash with mold or growth treatment | $4,500 | $8,000 | $13,500 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $5,500 | $9,500 | $16,000 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $1,000 | $2,000 | $3,500 | | Windows inside and out | $2,000 | $3,500 | $6,500 | **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $7,000 | $14,500 | $25,000 | | Windows inside and out, rope access | $8,000 | $16,000 | $28,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $5,500. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $2,000. ## Similar buildings nearby - [400 North Hastings Road, Lake Forest](https://skypsi.com/property/il/chicago/sph3n02y7a5enmv-400-north-hastings-road-lake-forest/) - [101 West Deerpath, Lake Forest](https://skypsi.com/property/il/chicago/sp32zae6v228kwz-101-west-deerpath-lake-forest/) - [400 East Westminster, Lake Forest](https://skypsi.com/property/il/chicago/spsga543tdn8gz9-400-east-westminster-lake-forest/) ## 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. - [County and state public records](https://comptroller.texas.gov/taxes/property-tax/): Situs addresses, parcel numbers, land use, year built and floor counts from county appraisal districts and state open data. - [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. - [USGS 3D Elevation Program](https://www.usgs.gov/3d-elevation-program): Lidar elevation data that gives building heights where other sources have none. 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: County and state public records, USA Structures, Overture Maps places, SkyPSI estimator, USGS 3D Elevation Program. Parcel and address facts from county appraisal districts and state open-data programs (public records). https://comptroller.texas.gov/taxes/property-tax/ 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/ Building heights from the U.S. Geological Survey 3D Elevation Program (public domain). https://www.usgs.gov/3d-elevation-program Page: https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest/ JSON: https://skypsi.com/property/il/chicago/sp1pvj3rn51g5f4-185-east-illinois-road-lake-forest.json Content license: https://skypsi.com/content-license.txt