20 Madison Street, Manhattan
An elevator apartment building on Madison Street carrying 1.82 FAR of unused residential development rights on record on a 781,000 sq ft lot, zoned R7-2.
20 Madison Street is an elevator apartment building in Manhattan, New York City (BBL 1001110100). The property is zoned R7-2, on a 781,000 sq ft lot, with 17 floors and 1,947 residential units. It was built in 1950. The lot is inside a FEMA Special Flood Hazard Area. NYC municipal records show 29 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 1001110100 |
|---|---|
| Borough | Manhattan — Community District 3 |
| Neighborhood | Chinatown-Two Bridges |
| Zoning district | R7-2 |
| Building class | D6 — elevator apartment building (what’s a building class?) |
| Land use | 04 — Mixed residential & commercial buildings |
| Lot area | 781,000 sq ft |
| Floors | 17 |
| Residential units | 1,947 |
| Year built | 1950 |
| FAR | 1.62 built · 3.44 max residential · 0 max commercial Learn: What is FAR? |
| Flood zone | In a FEMA Special Flood Hazard Area |
Public records
- 20 open Department of Buildings violations
- 5 open ECB (OATH) violations
- 4 open Housing Preservation & Development violations
- Façade safety filing status: UNFILED
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)
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.