204 East 23 Street, Manhattan
An office building on East 23 Street carrying 5.03 FAR of unused residential development rights on record on a 6,517 sq ft lot, zoned C2-8A.
204 East 23 Street is an office building in Manhattan, New York City (BBL 1009030056). The property is zoned C2-8A, on a 6,517 sq ft lot, with 5 floors and 7 residential units. It was built in 1959. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 14 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 1009030056 |
|---|---|
| Borough | Manhattan — Community District 6 |
| Neighborhood | Gramercy |
| ZIP code | 10010 |
| Zoning district | C2-8A |
| Building class | O5 — office building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 6,517 sq ft |
| Floors | 5 |
| Residential units | 7 |
| Year built | 1959 |
| FAR | 4.97 built · 10 max residential · 2 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 14 open Department of Buildings violations
- 0 open ECB (OATH) violations
- 0 open Housing Preservation & Development violations
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.