Property record

21521 West Division Street, Lockport

Industrial in Lockport, Illinois. It covers 316,121 square feet on the ground.

This building

21521 West Division Street, Lockport. Industrial in Lockport, Illinois. Property ID spppv6jttrcb6sg.

Facts about 21521 West Division Street, Lockport
Fact	Value	Source
Address	21521 West Division Street, Lockport, IL 60441	USA Structures
Building type	Industrial	USA Structures and SkyPSI estimator
Footprint	316,121 square feet	USA Structures
Perimeter	2,914.51 feet	USA Structures
Height	31.52 feet	Overture Maps building footprints and Google Open Buildings
Height survey year	2014	Overture Maps building footprints and Google Open Buildings
Stories	2 stories	Overture Maps building footprints and Google Open Buildings
Exterior wall area	91,868 square feet	SkyPSI estimator

Whole-building ranges from the SkyPSI estimator, calibrated October 2, 2026. Grade C: modelled from the Texas calibration. What the grades mean.

Exterior soft wash from a boom lift, whole building
Service	Low	Most likely	High
Facade wash, conventional access	$14,000	$25,000	$41,500

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: Building footprints, heights and occupancy from FEMA's USA Structures.
Google Open Buildings: Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme.
Overture Maps building footprints: Building outlines, heights and floor counts from the Overture Maps buildings theme.
SkyPSI estimator: 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.

Ask SkyPSI for a quote on your building.

Sources: USA Structures, Google Open Buildings, Overture Maps building footprints, SkyPSI estimator.

An estimate, not a quote. How a SkyEstimate is built.