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Converted dwellings or rooming house
346 EAST 51 STREET
MANHATTAN · East Midtown-Turtle Bay · BIN 1039618
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1920Year Built
4Stories
C5Building Class
R8BZoning
5,312 sfGross Floor Area
7Units
Rent Stabilized10 Open Violations 9 unresolved · 1 paperwork only ▸FDNY Report ↗
Converted dwellings or rooming house · Owner of record: PROSPERITY INVESTMENT GROUP LLC · 2,008 sf lot · 2.65 FAR built · Flood zone X
Locations of Work
Plumbing
Floor 43p · 1 filing · 6 docs
Floor 33p · 1 filing · 6 docs
Floor 23p · 1 filing · 6 docs
Floor 1
Site & exterior3p · 1 filing · 6 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
PROSPERITY INVESTMENT GROUP LLC103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
06/13/2017$5.5M—— → —$1,035/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
STEVEN KUO ARCHITECT PLLC203/23/2021
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
JOSEPH HUANGElectrical303/21/2026
FLUSHING PLUMBING CORPPlumbing107/08/2026
Building Lifecycle
All (48)Filed (2)Permit Issued (1)Signed Off (1)Violation (44)
04/25/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/04/2021
Signed off — Alteration
M00415945-I1
04/01/2021
Violation issued (HPD, closed)
A
03/23/2021
Filed — Alteration
M00415945-P1
10/23/2020
Permit issued — Plumbing
M00415945-I1-PL
10/20/2020
Filed — Alteration
M00415945-I1
03/04/2019
Violation issued (ECB, closed)
Construction
03/21/2018
Violation issued (ECB, closed)
Construction
10/24/2017
Violation issued (FDNY_NOV, closed)
06/09/2017
Violation issued (HPD, closed)
B
06/09/2017
Violation issued (HPD, closed)
C
06/09/2017
Violation issued (HPD, closed)
C
06/09/2017
Violation issued (HPD, closed)
C
06/09/2017
Violation issued (HPD, closed)
C
06/09/2017
Violation issued (HPD, closed)
B
06/01/2017
Violation issued (HPD, open)
B
06/01/2017
Violation issued (HPD, open)
B
06/01/2017
Violation issued (HPD, open)
B
05/26/2017
Violation issued (HPD, open)
B
05/26/2017
Violation issued (HPD, open)
B
05/11/2017
Violation issued (HPD, closed)
C
05/11/2017
Violation issued (HPD, open)
B
06/01/2016
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
10/31/2014
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
10/31/2014
Violation issued (HPD, closed)
B
10/31/2014
Violation issued (HPD, closed)
B
09/10/2014
Violation issued (HPD, closed)
A
09/10/2014
Violation issued (HPD, closed)
B
03/31/2014
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
10/01/2012
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
12/13/2011
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
06/03/2011
Violation issued (FDNY_NOV, closed)
11/12/2010
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/22/2009
Violation issued (ECB, closed)
Unknown
01/01/2009
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
07/11/2006
Violation issued (ECB, open)
Construction
05/23/2006
Violation issued (FDNY_NOV, closed)
09/22/2005
Violation issued (ECB, closed)
Construction
01/30/2004
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
03/21/2003
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/19/2002
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/08/2001
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/10/2000
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/16/1999
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
02/18/1999
Violation issued (ECB, closed)
Construction
02/10/1997
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
09/01/1994
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
12/11/1991
Violation issued (ECB, closed)
Construction
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offFLUSHING PLUMBING CORP10/23/2020
BISEQISSUEDGASRDEN STATE EXTERIOR04/30/2007
BISOTISSUEDN/A04/11/2006
BISOTISSUEDCARLOS ARTURO CONTRACTING04/05/2001
BISOTISSUEDBEN BULBEN CONST INC06/22/1999
BISOTISSUEDBEN BULBEN CONST INC02/26/1999
BISPLISSUEDHADERA PLMB & HTNG CORP05/15/1998
BISPLISSUEDHADERA PLMB & HTNG CORP05/15/1998
BISMHISSUEDBEN BULBEN CONST INC05/05/1998
BISPLISSUEDHADERA PLMB & HTNG CORP04/28/1998
BISOTISSUEDBEN BULBEN CONST. INC02/24/1998
3 projects · most recent 01/13/2021
HVAC Wiring
FiledStatusContractorScope
01/13/2021CompleteVOLTRON ELECTRIC LLCHVAC Wiring
08/31/2020CompleteVOLTRON ELECTRIC LLCHVAC Wiring
03/10/2020CompleteVOLTRON ELECTRIC LLC—
Nothing on file for this building.
▾Documents — 6 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch - Plumbing2
09/04/2026M00415945-I1Request digital key ↗
08/15/2026M00415945-P1Request digital key ↗
▸Seals & Professional Certifications2
▸DOB NOWDPL-1: Design Professional Seal & Signature2
09/04/2026M00415945-P1Open ↗
09/04/2026M00415945-I1Open ↗
▸Other Documents2
▸DOB NOWDHCR Document2
08/13/2026M00415945-P1Open ↗
08/13/2026M00415945-I1Open ↗