Property record
800 Westchester Avenue, Port Chester
Office in Port Chester, New York. It covers 222,148 square feet on the ground.
This building
800 Westchester Avenue, Port Chester. Office in Port Chester, New York. Property ID spkfx1vr6jgqjz5.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 800 Westchester Avenue, Port Chester, NY 10573 | USA Structures |
| Building type | Office | USA Structures and SkyPSI estimator |
| Footprint | 222,148 square feet | USA Structures |
| Perimeter | 3,352.58 feet | USA Structures |
| Height | 145.77 feet | USGS 3D Elevation Program |
| Height survey year | 2019 | USGS 3D Elevation Program |
| Stories | 11 stories | USGS 3D Elevation Program |
| Exterior wall area | 488,698 square feet | SkyPSI estimator |
| Parcel number | 554805135.82-1-2 | County and state public records |
| Land use | 464 Office building | 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) | $42,000 | $78,500 | $131,000 |
| Facade wash with mold or growth treatment | $63,000 | $115,500 | $199,000 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $78,500 | $141,500 | $236,000 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $15,500 | $31,500 | $52,500 |
| Windows inside and out | $26,000 | $52,500 | $94,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $105,000 | $209,500 | $367,000 |
| Windows inside and out, rope access | $115,500 | $230,500 | $409,000 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $78,500.
- Window cleaning: Drone has the lowest cost, most likely $31,500.
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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.
- 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, SkyPSI estimator, USGS 3D Elevation Program.
An estimate, not a quote. How a SkyEstimate is built.