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20 Morningside Avenue, Manhattan

A 1900 elevator apartment building on Morningside Avenue with 46 open violations on record across city enforcement files.

20 Morningside Avenue is an elevator apartment building in Manhattan, New York City (BBL 1019430001). The property is zoned R8A, on a 20,184 sq ft lot, with 6 floors and 53 residential units. It was built in 1900. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 46 open building violations for this lot as of 2026-07-05.

Property facts

BBL1019430001
BoroughManhattan — Community District 10
NeighborhoodHarlem (South)
Zoning districtR8A
Building classD1elevator apartment building (what’s a building class?)
Land use03 — Multi-family elevator buildings
Lot area20,184 sq ft
Floors6
Residential units53
Year built1900
FAR5.13 built · 6.02 max residential · 0 max commercial Learn: What is FAR?
Flood zoneNot in a FEMA Special Flood Hazard Area

Public records

  • 2 open Department of Buildings violations
  • 0 open ECB (OATH) violations
  • 44 open Housing Preservation & Development violations
  • Façade safety filing status: SAFE (latest filing 2023-11-29)

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.