Property record

810 FM 521, Houston

Office in Houston, Texas. It covers 26,471 square feet on the ground.

This building

810 FM 521, Houston. Office in Houston, Texas. Property ID sphsny8y7dwa10c.

Facts about 810 FM 521, Houston
Fact	Value	Source
Address	810 FM 521, Houston, TX 77053	USA Structures
Building type	Office	USA Structures and SkyPSI estimator
Footprint	26,471 square feet	USA Structures
Perimeter	681.88 feet	USA Structures
Height	30.41 feet	USGS 3D Elevation Program
Height survey year	2018	USGS 3D Elevation Program
Stories	2 stories	USGS 3D Elevation Program
Exterior wall area	20,738 square feet	SkyPSI estimator
Parcel number	43179	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	$3,000	$5,500	$9,500

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.

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.
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: County and state public records, USA Structures, SkyPSI estimator, USGS 3D Elevation Program.

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