Property record

520 South Maple Avenue, Oak Park

Medical in Oak Park, Illinois. It covers 19,445 square feet on the ground.

This building

520 South Maple Avenue, Oak Park. Medical in Oak Park, Illinois. Property ID spdqvdxs4t020qd.

Facts about 520 South Maple Avenue, Oak Park
Fact	Value	Source
Address	520 South Maple Avenue, Oak Park, IL 60304	SkyPSI estimator
Building type	Medical	USA Structures and SkyPSI estimator
Place name	Dian Wang, MD, PhD	Overture Maps places
Place type	diagnostic services	Overture Maps places
Footprint	19,445 square feet	USA Structures
Perimeter	2,392.95 feet	USA Structures
Stories	2 stories	SkyPSI estimator
Parcel number	16181100230000	County and state public records
Land use	591 Commercial/Industrial	County and state public records

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	$4,500	$8,500	$14,000

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.

County and state public records: Situs addresses, parcel numbers, land use, year built and floor counts from county appraisal districts and state open data.
USA Structures: Building footprints, heights and occupancy from FEMA's USA Structures.
Overture Maps places: Business and place names from the Overture Maps places 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: County and state public records, USA Structures, Overture Maps places, SkyPSI estimator.

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