84 Humboldt Street, Brooklyn

A 1931 elevator apartment building on Humboldt Street with 205 residential units on record, zoned R6.

84 Humboldt Street is an elevator apartment building in Brooklyn, New York City (BBL 3030980001). The property is zoned R6, on a 101,000 sq ft lot, with 19 floors and 205 residential units. It was built in 1931. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 2 open building violations for this lot as of 2026-07-05.

Property facts

BBL	3030980001
Borough	Brooklyn — Community District 1
Neighborhood	East Williamsburg
Zoning district	R6
Building class	D9 — elevator apartment building (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	101,000 sq ft
Floors	19
Residential units	205
Year built	1931
FAR	2.6 built · 2.43 max residential · 0 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

1 open Department of Buildings violation
1 open ECB (OATH) violation
0 open Housing Preservation & Development violations
Façade safety filing status: UNFILED

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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Nearby on this block

172 Seigel Street

Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.