Property record

217 South Main Street, Naperville

Office in Naperville, Illinois. It covers 13,717 square feet on the ground.

This building

217 South Main Street, Naperville. Office in Naperville, Illinois. Property ID sp92pafc1va682k.

Facts about 217 South Main Street, Naperville
Fact	Value	Source
Address	217 South Main Street, Naperville, IL 60540	Overture Maps addresses
Building type	Office	USA Structures and SkyPSI estimator
Footprint	13,717 square feet	USA Structures
Perimeter	1,008.56 feet	USA Structures
Height	38.02 feet	USGS 3D Elevation Program
Height survey year	2022	USGS 3D Elevation Program
Stories	3 stories	USGS 3D Elevation Program
Exterior wall area	38,350 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	$5,500	$9,500	$16,000

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.
Overture Maps addresses: Street addresses from the Overture Maps addresses theme.
SkyPSI estimator: SkyPSI's own price model, calibrated rates and building-class rules.
USGS 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.

Ask SkyPSI for a quote on your building.

Sources: USA Structures, Overture Maps addresses, SkyPSI estimator, USGS 3D Elevation Program.

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