19 West 21 Street, Manhattan
A 1908 office building in the Ladies' Mile Historic District historic district, on West 21 Street, zoned C6-4A.
19 West 21 Street is an office building in Manhattan, New York City (BBL 1008230024). The property is zoned C6-4A, on a 10,377 sq ft lot, with 12 floors and 49 residential units. It was built in 1908. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 2 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 1008230024 |
|---|---|
| Borough | Manhattan — Community District 5 |
| Neighborhood | Midtown South-Flatiron-Union Square |
| ZIP code | 10010 |
| Zoning district | C6-4A |
| Building class | O6 — office building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 10,377 sq ft |
| Floors | 12 |
| Residential units | 49 |
| Year built | 1908 |
| FAR | 10.92 built · 10 max residential · 10 max commercial Learn: What is FAR? |
| Historic district | Ladies' Mile Historic District |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 2 open Department of Buildings violations
- 0 open ECB (OATH) violations
- 0 open Housing Preservation & Development violations
- Façade safety filing status: SAFE (latest filing 2023-02-03)
Violation counts as of 2026-07-05.
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)
Run a free lookupFree account — no card required
See plans & the one-time dossierWatch this propertyAlerts on new permits, violations & sales
Nearby on this block
Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.