743 Lexington Avenue, Manhattan
A 1868 retail store building on Lexington Avenue with 22 open violations on record across city enforcement files.
743 Lexington Avenue is a retail store building in Manhattan, New York City (BBL 1013940023). The property is zoned C5-2, on a 84,350 sq ft lot, with 12 floors and 1 residential units. It was built in 1868. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 22 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 1013940023 |
|---|---|
| Borough | Manhattan — Community District 8 |
| Neighborhood | Upper East Side-Carnegie Hill |
| Zoning district | C5-2 |
| Building class | K3 — retail store building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 84,350 sq ft |
| Floors | 12 |
| Residential units | 1 |
| Year built | 1868 |
| FAR | 9.95 built · 10 max residential · 10 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 18 open Department of Buildings violations
- 4 open ECB (OATH) violations
- 0 open Housing Preservation & Development violations
- Façade safety filing status: SWARMP (latest filing 2022-02-16)
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)
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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.