Property record

1102 West 21st Street, Los Angeles

School in Los Angeles, California. It covers 16,835 square feet on the ground.

This building

1102 West 21st Street, Los Angeles. School in Los Angeles, California. Property ID sp1cfgn0x1vp5qf.

Facts about 1102 West 21st Street, Los Angeles
Fact	Value	Source
Address	1102 West 21st Street, Los Angeles, CA 90731	Overture Maps addresses
Building type	School	USA Structures and SkyPSI estimator
Place name	Alliance Gertz- Ressler High School	Overture Maps places
Place type	high school	Overture Maps places
Footprint	16,835 square feet	USA Structures
Perimeter	844.58 feet	USA Structures
Height	21.78 feet	USA Structures
Stories	2 stories	USA Structures
Exterior wall area	18,399 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	$3,000	$5,000	$8,500

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.

USA Structures: Building footprints, heights and occupancy from FEMA's USA Structures.
Overture Maps addresses: Street addresses from the Overture Maps addresses theme.
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: USA Structures, Overture Maps addresses, Overture Maps places, SkyPSI estimator.

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