# 8621 West Bryn Mawr Avenue, Chicago Retail in Chicago, Illinois. It covers 13,315 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 8621 West Bryn Mawr Avenue, Chicago. Retail in Chicago, Illinois. Property ID spggsvn8sh3wdnv. ## Facts **Facts about 8621 West Bryn Mawr Avenue, Chicago** | Fact | Value | Source | | --- | --- | --- | | Address | 8621 West Bryn Mawr Avenue, Chicago, IL 60631 | [USA Structures](https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago/#how-we-know) | | Building type | Retail | [USA Structures and SkyPSI estimator](https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago/#how-we-know) | | Place name | John Keno & Company | [Overture Maps places](https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago/#how-we-know) | | Place type | excavation service | [Overture Maps places](https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago/#how-we-know) | | Footprint | 13,315 square feet | [USA Structures](https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago/#how-we-know) | | Perimeter | 567.49 feet | [USA Structures](https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago/#how-we-know) | | Height | 12.63 feet | [USA Structures](https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago/#how-we-know) | | Stories | 1 story | [USA Structures](https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago/#how-we-know) | | Exterior wall area | 7,168 square feet | [SkyPSI estimator](https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago/#how-we-know) | | Parcel number | 12111050310000 | [County and state public records](https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago/#how-we-know) | | Land use | 517 Commercial/Industrial | [County and state public records](https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-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, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $1,000 | $2,000 | $3,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $2,000. ## Similar buildings nearby - [8617 West Bryn Mawr Avenue, Chicago](https://skypsi.com/property/il/chicago/sp5nr6qfj3bp7s1-8617-west-bryn-mawr-avenue-chicago/) - [8615 West Bryn Mawr Avenue, Chicago](https://skypsi.com/property/il/chicago/sp6q5v4fzkxj097-8615-west-bryn-mawr-avenue-chicago/) - [8609 West Bryn Mawr Avenue, Chicago](https://skypsi.com/property/il/chicago/spqrpad7f15q2e0-8609-west-bryn-mawr-avenue-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. - [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: County and state public records, USA Structures, Overture Maps places, 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/ 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/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago/ JSON: https://skypsi.com/property/il/chicago/spggsvn8sh3wdnv-8621-west-bryn-mawr-avenue-chicago.json Content license: https://skypsi.com/content-license.txt