Property record
21 Lake Street, White Plains
Apartments in White Plains, New York. It covers 17,735 square feet on the ground.
This building
21 Lake Street, White Plains. Apartments in White Plains, New York. Property ID sppp5jcdnn3yqpy.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 21 Lake Street, White Plains, NY 10603 | USA Structures |
| Building type | Apartments | USA Structures and SkyPSI estimator |
| Footprint | 17,735 square feet | USA Structures |
| Perimeter | 641.18 feet | USA Structures |
| Height | 64.04 feet | Overture Maps building footprints and Google Open Buildings |
| Height survey year | 2019 | Overture Maps building footprints and Google Open Buildings |
| Stories | 6 stories | Overture Maps building footprints and Google Open Buildings |
| Exterior wall area | 41,058 square feet | SkyPSI estimator |
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) | $3,500 | $6,500 | $10,500 |
| Facade wash with mold or growth treatment | $5,000 | $9,500 | $16,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $6,500 | $11,500 | $19,500 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $1,500 | $2,500 | $4,500 |
| Windows inside and out | $2,000 | $4,500 | $7,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $8,500 | $17,000 | $30,000 |
| Windows inside and out, rope access | $9,500 | $19,000 | $33,500 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $6,500.
- Window cleaning: Drone has the lowest cost, most likely $2,500.
Similar buildings nearby
- 1 Terrace Avenue, White Plains
- 10 Stewart Place, White Plains
- 25 Lake Street, White Plains
- 30 Lake Street, White Plains
- 4 Terrace Avenue, White Plains
- 5 Terrace Avenue, White Plains
- 4 Ross Street, White Plains
- 9 Terrace Avenue, White Plains
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: Building footprints, heights and occupancy from FEMA's USA Structures.
- Google Open Buildings: Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme.
- Overture Maps building footprints: Building outlines, heights and floor counts from the Overture Maps buildings theme.
- SkyPSI estimator: 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.
Ask SkyPSI for a quote on your building.
Request a QuoteSources: USA Structures, Google Open Buildings, Overture Maps building footprints, SkyPSI estimator.
An estimate, not a quote. How a SkyEstimate is built.