# 70 South Somonauk Road, Cortland Retail in Cortland, Illinois. It covers 2,124 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 70 South Somonauk Road, Cortland. Retail in Cortland, Illinois. Property ID spfpwfkqmqr7kwq. ## Facts **Facts about 70 South Somonauk Road, Cortland** | Fact | Value | Source | | --- | --- | --- | | Address | 70 South Somonauk Road, Cortland, IL 60112 | [USA Structures](https://skypsi.com/property/il/chicago/spfpwfkqmqr7kwq-70-south-somonauk-road-cortland/#how-we-know) | | Building type | Retail | [USA Structures and SkyPSI estimator](https://skypsi.com/property/il/chicago/spfpwfkqmqr7kwq-70-south-somonauk-road-cortland/#how-we-know) | | Place name | Blue Rhino Propane Exchange | [Overture Maps places](https://skypsi.com/property/il/chicago/spfpwfkqmqr7kwq-70-south-somonauk-road-cortland/#how-we-know) | | Place type | propane supplier | [Overture Maps places](https://skypsi.com/property/il/chicago/spfpwfkqmqr7kwq-70-south-somonauk-road-cortland/#how-we-know) | | Footprint | 2,124 square feet | [USA Structures](https://skypsi.com/property/il/chicago/spfpwfkqmqr7kwq-70-south-somonauk-road-cortland/#how-we-know) | | Perimeter | 186.75 feet | [USA Structures](https://skypsi.com/property/il/chicago/spfpwfkqmqr7kwq-70-south-somonauk-road-cortland/#how-we-know) | | Height | 13.35 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/il/chicago/spfpwfkqmqr7kwq-70-south-somonauk-road-cortland/#how-we-know) | | Stories | 1 story | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/il/chicago/spfpwfkqmqr7kwq-70-south-somonauk-road-cortland/#how-we-know) | | Exterior wall area | 2,494 square feet | [SkyPSI estimator](https://skypsi.com/property/il/chicago/spfpwfkqmqr7kwq-70-south-somonauk-road-cortland/#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 | $500 | $500 | $1,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $500. ## Similar buildings nearby - [70 South Somonauk Road, Cortland](https://skypsi.com/property/il/chicago/spdn25stftfphn2-70-south-somonauk-road-cortland/) - [62 South Somonauk Road, Cortland](https://skypsi.com/property/il/chicago/sp1empdvzby9ynt-62-south-somonauk-road-cortland/) - [45 South Somonauk Road, Cortland](https://skypsi.com/property/il/chicago/sp3egm2n9addms2-45-south-somonauk-road-cortland/) ## 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. - [Google Open Buildings](https://sites.research.google/open-buildings/): Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme. - [Overture Maps building footprints](https://opendatacommons.org/licenses/odbl/1-0/): Building outlines, heights and floor counts from the Overture Maps buildings theme. - [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, Google Open Buildings, Overture Maps building footprints, 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/ Building data from Google Open Buildings, reached through Overture Maps Foundation, overturemaps.org. https://sites.research.google/open-buildings/ 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/ Business names: Overture Maps Foundation, overturemaps.org (places theme, CDLA Permissive 2.0). https://docs.overturemaps.org/attribution/ Page: https://skypsi.com/property/il/chicago/spfpwfkqmqr7kwq-70-south-somonauk-road-cortland/ JSON: https://skypsi.com/property/il/chicago/spfpwfkqmqr7kwq-70-south-somonauk-road-cortland.json Content license: https://skypsi.com/content-license.txt