# 135 South La Salle Street, Chicago Office in Chicago, Illinois. It covers 62,404 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 135 South La Salle Street, Chicago. Office in Chicago, Illinois. Property ID spx81fab3p7ns0h. ## Facts **Facts about 135 South La Salle Street, Chicago** | Fact | Value | Source | | --- | --- | --- | | Address | 135 South La Salle Street, Chicago, IL 60603 | [USA Structures](https://skypsi.com/property/il/chicago/spx81fab3p7ns0h-135-south-la-salle-street-chicago/#how-we-know) | | Building type | Office | [USA Structures and SkyPSI estimator](https://skypsi.com/property/il/chicago/spx81fab3p7ns0h-135-south-la-salle-street-chicago/#how-we-know) | | Footprint | 62,404 square feet | [USA Structures](https://skypsi.com/property/il/chicago/spx81fab3p7ns0h-135-south-la-salle-street-chicago/#how-we-know) | | Perimeter | 1,031.2 feet | [USA Structures](https://skypsi.com/property/il/chicago/spx81fab3p7ns0h-135-south-la-salle-street-chicago/#how-we-know) | | Height | 298.98 feet | [USA Structures](https://skypsi.com/property/il/chicago/spx81fab3p7ns0h-135-south-la-salle-street-chicago/#how-we-know) | | Stories | 23 stories | [USA Structures](https://skypsi.com/property/il/chicago/spx81fab3p7ns0h-135-south-la-salle-street-chicago/#how-we-know) | | Exterior wall area | 308,310 square feet | [SkyPSI estimator](https://skypsi.com/property/il/chicago/spx81fab3p7ns0h-135-south-la-salle-street-chicago/#how-we-know) | | Parcel number | 17162110090000 | [County and state public records](https://skypsi.com/property/il/chicago/spx81fab3p7ns0h-135-south-la-salle-street-chicago/#how-we-know) | | Land use | 591 Commercial/Industrial | [County and state public records](https://skypsi.com/property/il/chicago/spx81fab3p7ns0h-135-south-la-salle-street-chicago/#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 and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $48,000 | $86,000 | $143,500 | ### Window cleaning **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $64,000 | $127,500 | $223,500 | | Windows inside and out, rope access | $70,000 | $140,500 | $249,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift and Rope access fit this building at the same cost, most likely $86,000. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Rope access fits this building, most likely $127,500. ## Similar buildings nearby - [107 South La Salle Street, Chicago](https://skypsi.com/property/il/chicago/spcqqk9rg2x8tx3-107-south-la-salle-street-chicago/) - [109 South La Salle Street, Chicago](https://skypsi.com/property/il/chicago/sp6zvt8x8z59vg9-109-south-la-salle-street-chicago/) - [100 South Clark Street, Chicago](https://skypsi.com/property/il/chicago/spdrkyaek6ak6vt-100-south-clark-street-chicago/) ## 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. - [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: County and state public records, USA Structures, SkyPSI estimator. 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/ Page: https://skypsi.com/property/il/chicago/spx81fab3p7ns0h-135-south-la-salle-street-chicago/ JSON: https://skypsi.com/property/il/chicago/spx81fab3p7ns0h-135-south-la-salle-street-chicago.json Content license: https://skypsi.com/content-license.txt