Two family converted from one family

343 EAST 51ST STREET

BROOKLYN · BIN 3102196

1910Year Built

2Stories

B3Building Class

R5Zoning

1,540 sfGross Floor Area

2Units

1 Active Violation 0 unresolved · 1 paperwork only ▸

Two family converted from one family · 2,000 sf lot · 0.77 FAR built · Flood zone X

Locations of Work

Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.

CellarDemolition of cellar partitions1 filing · 2 docs

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
07/02/2026	$636K	—	Private party → Private party	$413/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
RR&R Associates	1	08/06/2026

Building Lifecycle

All (3)Filed (1)Violation (1)Objection (1)

08/20/2026

Objection raised — Other

08/06/2026

Filed — Alteration

PROPOSE TO REMOVE ILLEGAL PARTITIONS IN CELLAR TO CURE VIOLATION #34450423L

B01434652-I1

09/09/2004

Violation issued (ECB, open)

Construction

Nothing on file for this building.

▾Documents — 2 on file (BIS + DOB NOW)

▸Plans & Drawings1

▸DOB NOWPlans/Sketch1

▸Seals & Professional Certifications1

▸DOB NOWDPL-1: Design Professional Seal & Signature1

08/16/2026B01434652-I1Open ↗