Property record
421 1 Ave, New York
School in New York, New York. It covers 9,069 square feet on the ground.
This building
421 1 Ave, New York. School in New York, New York. Property ID spg5jtr7c7azcdk.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 421 1 Ave, New York, NY 10010 | Overture Maps addresses |
| Building type | School | USA Structures and SkyPSI estimator |
| Place name | NYU Continuing Dental Education | Overture Maps places |
| Place type | college university | Overture Maps places |
| Footprint | 9,069 square feet | USA Structures |
| Perimeter | 392.83 feet | USA Structures |
| Height | 155.51 feet | Overture Maps building footprints and Google Open Buildings |
| Stories | 12 stories | Overture Maps building footprints and Google Open Buildings |
| Exterior wall area | 61,090 square feet | SkyPSI estimator |
| Parcel number | 1009300034 | County and state public records |
| Land use | 08 Public Facilities & Institutions (class W5) | County and state public records |
| Year built | 1929 | County and state public records |
| Stories on the parcel record | 11 stories | County and state public records |
| Building area on the parcel record | 87,515 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) | $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.
Similar buildings nearby
- 335 East 24 Street, New York
- 334 East 26 Street, New York
- 400 1 Avenue, New York
- 320 E 26 St, New York
- 428 East 25 Street, New York
- 393 Asser Levy Place, New York
- 421 East 26 Street, New York
- 393 Asser Levy Place, 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.