# 858 W 40th St

Retail in California. It covers 1,133 square feet on the ground.

Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 7, 2026. Method propdata-estimator-v6.

## This building

858 W 40th St. Retail in California. Property ID spn9wh8wj8z5480.

## Facts

**Facts about 858 W 40th St**

| Fact | Value | Source |
| --- | --- | --- |
| Address | 858 W 40th St, CA 92407 | [Overture Maps addresses](https://skypsi.com/property/ca/inland-empire/spn9wh8wj8z5480-858-w-40th-st/#how-we-know) |
| Building type | Retail | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ca/inland-empire/spn9wh8wj8z5480-858-w-40th-st/#how-we-know) |
| Footprint | 1,133 square feet | [USA Structures](https://skypsi.com/property/ca/inland-empire/spn9wh8wj8z5480-858-w-40th-st/#how-we-know) |
| Perimeter | 146.34 feet | [USA Structures](https://skypsi.com/property/ca/inland-empire/spn9wh8wj8z5480-858-w-40th-st/#how-we-know) |
| Stories | 1 story | [SkyPSI estimator](https://skypsi.com/property/ca/inland-empire/spn9wh8wj8z5480-858-w-40th-st/#how-we-know) |

## Cost ranges

Whole-building ranges from the SkyPSI estimator, calibrated October 2, 2026. Grade C: modelled from the Texas calibration. [What the grades mean](https://skypsi.com/estimates/methodology/confidence-grades/).

### Exterior soft wash

**Exterior soft wash from a boom lift, whole building**

| Service | Low | Most likely | High |
| --- | --- | --- | --- |
| Facade wash, conventional access | $500 | $500 | $1,000 |

## Best method

- [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $500.

## Similar buildings nearby

- [858 W 40th St](https://skypsi.com/property/ca/inland-empire/sphc1whkagz4379-858-w-40th-st/)
- [898 W 40th St](https://skypsi.com/property/ca/inland-empire/spdmmng00smgbgc-898-w-40th-st/)
- [Retail](https://skypsi.com/property/ca/inland-empire/spx0v3mhhj2f0zq-retail/)

## 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](https://disasters.geoplatform.gov/USA_Structures/): Building footprints, heights and occupancy from FEMA's USA Structures.
- [Overture Maps addresses](https://docs.overturemaps.org/attribution/): Street addresses from the Overture Maps addresses theme.
- [SkyPSI estimator](https://skypsi.com/estimates/methodology/sources-and-licensing/): 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](https://skypsi.com/estimates/methodology/how-a-skyestimate-is-built/).

[Request a Quote](https://skypsi.com/request-a-quote)

---

Sources: USA Structures, Overture Maps addresses, SkyPSI estimator.

Building footprints: USA Structures, FEMA Response Geospatial Office, Oak Ridge National Laboratory and U.S. Geological Survey (CC BY 4.0). https://disasters.geoplatform.gov/USA_Structures/

Addresses: Overture Maps Foundation, overturemaps.org (addresses theme), including the U.S. Department of Transportation National Address Database (NAD). https://docs.overturemaps.org/attribution/

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