Property record

810 FM 521, Houston

Office in Houston, Texas. It covers 2,834 square feet on the ground.

This building

810 FM 521, Houston. Office in Houston, Texas. Property ID sp9b4wz5ercbr32.

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	2,834 square feet	USA Structures
Perimeter	215.74 feet	USA Structures
Height	15.74 feet	Overture Maps building footprints and Google Open Buildings
Stories	1 story	Overture Maps building footprints and Google Open Buildings
Exterior wall area	3,396 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	$500	$1,000	$1,500

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.
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: County and state public records, USA Structures, Google Open Buildings, Overture Maps building footprints, SkyPSI estimator.

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