Property record

800 South Gay Street, Knoxville

Office in Knoxville, Tennessee. It covers 27,921 square feet on the ground.

This building

800 South Gay Street, Knoxville. Office in Knoxville, Tennessee. Property ID spggpzx2n0g64fj.

Facts about 800 South Gay Street, Knoxville
Fact	Value	Source
Address	800 South Gay Street, Knoxville, TN 37929	Overture Maps addresses
Building type	Office	USA Structures and SkyPSI estimator
Footprint	27,921 square feet	USA Structures
Perimeter	730.35 feet	USA Structures
Height	328.08 feet	Overture Maps building footprints and Google Open Buildings
Height survey year	2016	Overture Maps building footprints and Google Open Buildings
Stories	27 stories	Overture Maps building footprints and Google Open Buildings
Exterior wall area	239,615 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 and by rope access, whole building
Service	Low	Most likely	High
Facade wash, conventional access	$35,500	$63,500	$106,000

Window cleaning by rope access, whole building
Service	Low	Most likely	High
Exterior windows, rope access	$47,000	$94,000	$164,500
Windows inside and out, rope access	$51,500	$103,500	$183,500

Exterior soft wash: Boom lift and Rope access fit this building at the same cost, most likely $63,500.
Window cleaning: Rope access fits this building, most likely $94,000.

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.
Google Open Buildings: Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme.
Overture Maps addresses: Street addresses from the Overture Maps addresses 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 addresses, Overture Maps building footprints, SkyPSI estimator.

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