Property record

520 W Walnut St, Santa Ana

School in Santa Ana, California. It covers 20,506 square feet on the ground.

This building

520 W Walnut St, Santa Ana. School in Santa Ana, California. Property ID spfvhkzha3mnn6d.

Facts about 520 W Walnut St, Santa Ana
Fact	Value	Source
Address	520 W Walnut St, Santa Ana, CA 92701	SkyPSI estimator
Building type	School	USA Structures and SkyPSI estimator
Footprint	20,506 square feet	USA Structures
Perimeter	716.31 feet	USA Structures
Height	14.27 feet	Overture Maps building footprints and Google Open Buildings
Height survey year	2011	Overture Maps building footprints and Google Open Buildings
Stories	1 story	Overture Maps building footprints and Google Open Buildings
Exterior wall area	10,220 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	$1,500	$3,000	$5,000

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 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 building footprints, SkyPSI estimator.

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