13 East 20 Street, Manhattan

A 1847 elevator apartment building on East 20 Street with 25 open violations on record across city enforcement files.

13 East 20 Street is an elevator apartment building in Manhattan, New York City (BBL 1008750073). The property is zoned R7B, on a 2,975 sq ft lot, with 5 floors and 10 residential units. It was built in 1847. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 25 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1008750073
Borough	Manhattan — Community District 6
Neighborhood	Gramercy
ZIP code	10003
Zoning district	R7B
Building class	D4 — elevator apartment building (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	2,975 sq ft
Floors	5
Residential units	10
Year built	1847
FAR	3.37 built · 3 max residential · 0 max commercial Learn: What is FAR?
Historic district	Gramercy Park Historic District
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

8 open Department of Buildings violations
0 open ECB (OATH) violations
17 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)

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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.