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121 East 55 Street, Manhattan

An indoor public assembly building on East 55 Street built in 1967, with 1.83 FAR of unused commercial development rights on record under its C5-2 zoning.

121 East 55 Street is an indoor public assembly building in Manhattan, New York City (BBL 1013100010). The property is zoned C5-2, on a 5,653 sq ft lot, with 9 floors and 2 residential units. It was built in 1967. The lot is not inside a FEMA Special Flood Hazard Area.

Property facts

BBL1013100010
BoroughManhattan — Community District 5
NeighborhoodEast Midtown-Turtle Bay
Zoning districtC5-2
Building classP5indoor public assembly building (what’s a building class?)
Land use08 — Public facilities & institutions
Lot area5,653 sq ft
Floors9
Residential units2
Year built1967
FAR8.17 built · 10 max residential · 10 max commercial Learn: What is FAR?
Flood zoneNot 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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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.