Property record
21810 Main St, Grand Terrace
School in Grand Terrace, California. It covers 56,535 square feet on the ground.
This building
21810 Main St, Grand Terrace. School in Grand Terrace, California. Property ID sp7p8zxtfwwc4c9.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 21810 Main St, Grand Terrace, CA 92313 | Overture Maps addresses |
| Building type | School | USA Structures and SkyPSI estimator |
| Footprint | 56,535 square feet | USA Structures |
| Perimeter | 2,120.38 feet | USA Structures |
| Height | 47.11 feet | USGS 3D Elevation Program |
| Height survey year | 2018 | USGS 3D Elevation Program |
| Stories | 4 stories | USGS 3D Elevation Program |
| Exterior wall area | 99,897 square feet | SkyPSI estimator |
Cost ranges
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
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash (drone) | $7,500 | $14,500 | $24,000 |
| Facade wash with mold or growth treatment | $11,500 | $21,000 | $36,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $14,500 | $26,000 | $43,000 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $3,000 | $5,500 | $9,500 |
| Windows inside and out | $5,000 | $9,500 | $17,000 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $19,000 | $38,000 | $67,000 |
| Windows inside and out, rope access | $21,000 | $42,000 | $74,500 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $14,500.
- Window cleaning: Drone has the lowest cost, most likely $5,500.
Similar buildings nearby
How we know
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.
- 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.
Request a QuoteSources: USA Structures, Overture Maps addresses, SkyPSI estimator, USGS 3D Elevation Program.
An estimate, not a quote. How a SkyEstimate is built.