Property record
20 W End Ave, New York
School in New York, New York. It covers 9,865 square feet on the ground.
This building
20 W End Ave, New York. School in New York, New York. Property ID spk4b17af6r7v22.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 20 W End Ave, New York, NY 10023 | Overture Maps addresses |
| Building type | School | USA Structures and SkyPSI estimator |
| Place name | Upperwest Manhattan | Overture Maps places |
| Place type | accommodation | Overture Maps places |
| Footprint | 9,865 square feet | USA Structures |
| Perimeter | 397.3 feet | USA Structures |
| Height | 95.47 feet | Overture Maps building footprints and Google Open Buildings |
| Stories | 7 stories | Overture Maps building footprints and Google Open Buildings |
| Exterior wall area | 37,931 square feet | SkyPSI estimator |
| Parcel number | 1011520001 | County and state public records |
| Land use | 08 Public Facilities & Institutions (class W3) | County and state public records |
| Year built | 1957 | County and state public records |
| Stories on the parcel record | 7 stories | County and state public records |
| Building area on the parcel record | 58,272 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) | $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
- 30 W End Ave, New York
- School in New York
- 242 W 61 St, New York
- 227 West 61 Street, New York
- 225 W 60 St, New York
- School in New York
- 899 10 Avenue, New York
- 301 Freedom Place South, New York
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.
- Google Open Buildings: Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme.
- 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.
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, Google Open Buildings, Overture Maps addresses, Overture Maps building footprints, Overture Maps places, SkyPSI estimator.
An estimate, not a quote. How a SkyEstimate is built.