741 Madison Avenue, Manhattan
A 1879 office building on Madison Avenue carrying 4.9 FAR of unused residential development rights on record under its C5-1 zoning.
741 Madison Avenue is an office building in Manhattan, New York City (BBL 1013790152). The property is zoned C5-1, on a 1,000 sq ft lot, with 4 floors and 5 residential units. It was built in 1879. The lot is not inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 1013790152 |
|---|---|
| Borough | Manhattan — Community District 8 |
| Neighborhood | Upper East Side-Carnegie Hill |
| Zoning district | C5-1 |
| Building class | O5 — office building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 1,000 sq ft |
| Floors | 4 |
| Residential units | 5 |
| Year built | 1879 |
| FAR | 5.1 built · 10 max residential · 4 max commercial Learn: What is FAR? |
| Historic district | Upper East Side 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.