Property record
1861 Old Spanish Trail, Houston
Government in Houston, Texas. It covers 52,379 square feet on the ground.
This building
1861 Old Spanish Trail, Houston. Government in Houston, Texas. Property ID spkp0n412qaxaf9.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 1861 Old Spanish Trail, Houston, TX 77030 | Overture Maps addresses |
| Building type | Government | USA Structures and SkyPSI estimator |
| Place name | Harris County Institute of Forensic Sciences | Overture Maps places |
| Place type | laboratory testing | Overture Maps places |
| Footprint | 52,379 square feet | USA Structures |
| Perimeter | 1,103.44 feet | USA Structures |
| Height | 153.48 feet | USGS 3D Elevation Program |
| Height survey year | 2018 | USGS 3D Elevation Program |
| Stories | 12 stories | USGS 3D Elevation Program |
| Exterior wall area | 169,353 square feet | SkyPSI estimator |
| Parcel number | 1351980010001 | County and state public records |
| Land use | X1 Totally exempt property | 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) | $13,500 | $25,500 | $42,500 |
| Facade wash with mold or growth treatment | $20,500 | $37,500 | $64,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $25,500 | $46,000 | $76,500 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $5,000 | $10,000 | $17,000 |
| Windows inside and out | $8,500 | $17,000 | $30,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $34,000 | $68,000 | $119,000 |
| Windows inside and out, rope access | $37,500 | $75,000 | $132,500 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $25,500.
- Window cleaning: Drone has the lowest cost, most likely $10,000.
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.
- 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.
- 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, USA Structures, Overture Maps addresses, Overture Maps places, SkyPSI estimator, USGS 3D Elevation Program.
An estimate, not a quote. How a SkyEstimate is built.