419 West 20 Street, Manhattan
A 1892 educational facility in the Chelsea Historic District historic district, on West 20 Street, zoned R7B.
419 West 20 Street is an educational facility in Manhattan, New York City (BBL 1007180098). The property is zoned R7B, on a 1,738 sq ft lot, with 4 floors and 1 residential units. It was built in 1892. The lot is not inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 1007180098 |
|---|---|
| Borough | Manhattan — Community District 4 |
| Neighborhood | Chelsea-Hudson Yards |
| Zoning district | R7B |
| Building class | W7 — educational facility (what’s a building class?) |
| Land use | 08 — Public facilities & institutions |
| Lot area | 1,738 sq ft |
| Floors | 4 |
| Residential units | 1 |
| Year built | 1892 |
| FAR | 3.03 built · 3 max residential · 0 max commercial Learn: What is FAR? |
| Historic district | Chelsea Historic District |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
No open violations on record for this lot.
Absence of a record means none on file in NYC municipal records — not a certification of compliance.
The complete dossier also covers:
- Buildable floor area (residential & commercial)
- Recorded ownership & last sale
- Recorded mortgages & open debt stack
- LL97 carbon exposure by compliance period
- Flood coverage percentage & base flood elevation
- Climate projections for this lot
- Open permits & construction pipeline
- Distress signal convergence
- Air rights & transferable development rights
- Comparable sales (Pro)
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Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.