Property record
4200 Portsmouth Avenue, Houston
Other commercial in Houston, Texas. It covers 21,660 square feet on the ground.
This building
4200 Portsmouth Avenue, Houston. Other commercial in Houston, Texas. Property ID spmvkpdd3fgsq47.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 4200 Portsmouth Avenue, Houston, TX 77027 | Overture Maps addresses |
| Building type | Other commercial | Overture Maps building footprints and SkyPSI estimator |
| Place name | Westside Surgical Hospital | Overture Maps places |
| Place type | hospital | Overture Maps places |
| Footprint | 21,660 square feet | Overture Maps building footprints |
| Perimeter | 639.41 feet | Overture Maps building footprints |
| Height | 120.73 feet | USGS 3D Elevation Program |
| Height survey year | 2018 | USGS 3D Elevation Program |
| Stories | 10 stories | USGS 3D Elevation Program |
| Exterior wall area | 77,199 square feet | SkyPSI estimator |
| Parcel number | 1239940010002 | County and state public records |
| Land use | F1 Commercial real property | County and state public records |
| Year built | 1974 | County and state public records |
| Building area on the parcel record | 148,946 square feet | County and state public records |
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) | $6,000 | $11,500 | $19,000 |
| Facade wash with mold or growth treatment | $9,000 | $16,500 | $28,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $11,500 | $20,500 | $34,000 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $2,500 | $4,500 | $7,500 |
| Windows inside and out | $4,000 | $7,500 | $13,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $15,000 | $30,000 | $52,500 |
| Windows inside and out, rope access | $16,500 | $33,000 | $58,500 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $11,500.
- Window cleaning: Drone has the lowest cost, most likely $4,500.
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.
- County and state public records: Situs addresses, parcel numbers, land use, year built and floor counts from county appraisal districts and state open data.
- Overture Maps addresses: Street addresses from the Overture Maps addresses theme.
- Overture Maps building footprints: Building outlines, heights and floor counts from the Overture Maps buildings 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.
- 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: County and state public records, Overture Maps addresses, Overture Maps building footprints, Overture Maps places, SkyPSI estimator, USGS 3D Elevation Program.
An estimate, not a quote. How a SkyEstimate is built.