80 Willoughby Street, Brooklyn

A 1926 condominium on Willoughby Street carrying 2.29 FAR of unused commercial development rights on record under its C6-4.5 zoning.

80 Willoughby Street is a condominium in Brooklyn, New York City (BBL 3001527502). The property is zoned C6-4.5, on a 6,250 sq ft lot, with 10 floors and 2 residential units. It was built in 1926. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 1 open building violation for this lot as of 2026-07-05.

Property facts

BBL	3001527502
Borough	Brooklyn — Community District 2
Neighborhood	Downtown Brooklyn-DUMBO-Boerum Hill
ZIP code	11201
Zoning district	C6-4.5
Building class	RA — condominium (what’s a building class?)
Land use	08 — Public facilities & institutions
Lot area	6,250 sq ft
Floors	10
Residential units	2
Year built	1926
FAR	9.71 built · 10 max residential · 12 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

0 open Department of Buildings violations
1 open ECB (OATH) violation — $1,250 in penalties due
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.