Property record
9 West Prospect Avenue, Mount Vernon
Apartments in Mount Vernon, New York. It covers 14,867 square feet on the ground.
This building
9 West Prospect Avenue, Mount Vernon. Apartments in Mount Vernon, New York. Property ID spr5g3v11ka47g3.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 9 West Prospect Avenue, Mount Vernon, NY 10550 | USA Structures |
| Building type | Apartments | USA Structures and SkyPSI estimator |
| Footprint | 14,867 square feet | USA Structures |
| Perimeter | 762.7 feet | USA Structures |
| Height | 79.3 feet | USGS 3D Elevation Program |
| Height survey year | 2019 | USGS 3D Elevation Program |
| Stories | 8 stories | USGS 3D Elevation Program |
| Exterior wall area | 60,481 square feet | SkyPSI estimator |
| Parcel number | 550800165.62-1118-13 | 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) | $5,000 | $9,500 | $16,000 |
| Facade wash with mold or growth treatment | $7,500 | $14,000 | $24,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $9,500 | $17,500 | $29,000 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $2,000 | $4,000 | $6,500 |
| Windows inside and out | $3,000 | $6,500 | $11,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $13,000 | $25,500 | $45,000 |
| Windows inside and out, rope access | $14,000 | $28,000 | $50,000 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $9,500.
- Window cleaning: Drone has the lowest cost, most likely $4,000.
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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.