170 John Street, Manhattan

A 1840 condominium on John Street carrying 10.93 FAR of unused commercial development rights on record under its C5-3 zoning.

170 John Street is a condominium in Manhattan, New York City (BBL 1000727501). The property is zoned C5-3, on a 5,082 sq ft lot, with 5 floors and 15 residential units. It was built in 1840. The lot is inside a FEMA Special Flood Hazard Area. NYC municipal records show 6 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1000727501
Borough	Manhattan — Community District 1
Neighborhood	Financial District-Battery Park City
ZIP code	10038
Zoning district	C5-3
Building class	RM — condominium (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	5,082 sq ft
Floors	5
Residential units	15
Year built	1840
FAR	4.07 built · 10 max residential · 15 max commercial Learn: What is FAR?
Historic district	South Street Seaport Historic District
Flood zone	In a FEMA Special Flood Hazard Area

Public records

6 open Department of Buildings violations
0 open ECB (OATH) violations
0 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.