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Three families
806 51 STREET
BROOKLYN · BIN 3138137
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1920Year Built
2Stories
C0Building Class
R6Zoning
2,080 sfGross Floor Area
3Units
Rent Stabilized6 Open Violations ▸FDNY Report ↗
Three families · 2,003 sf lot · 1.04 FAR built · Flood zone X
Locations of Work
Architecture
Cellar1p · 1 filing · 2 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/13/2024$1.7M—— → —$837/sf building
05/25/2023$1.7M—— → —$798/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NYX ENGINEERING, PLLC109/21/2024
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
NEW LAND CONSTRUCTION NYGeneral Contractor303/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NYX ENGINEERING, PLLC6118109/21/2024
Building Lifecycle
All (15)Filed (1)Permit Issued (1)Signed Off (1)Violation (12)
05/01/2026
Violation issued (HPD, open)
A
11/19/2025
Violation issued (HPD, open)
I
06/06/2025
Violation issued (HPD, open)
A
05/13/2025
Signed off — Alteration
B01109158-I1
01/22/2025
Permit issued — General Construction
B01109158-I1-GC-CX
11/27/2024
Violation issued (HPD, open)
I
09/21/2024
Filed — Alteration
B01109158-I1
09/09/2024
Violation issued (ECB, closed)
Construction
04/08/2024
Violation issued (HPD, open)
A
11/21/2023
Violation issued (HPD, open)
I
03/20/2023
Violation issued (HPD, closed)
A
11/10/2022
Violation issued (HPD, closed)
I
02/22/2022
Violation issued (HPD, closed)
A
04/06/2021
Violation issued (HPD, closed)
I
04/06/2021
Violation issued (HPD, closed)
A
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offNEW LAND CONSTRUCTION NY01/22/2025
BIS—ISSUEDBLUE KNIGHT REST. INC11/05/1999
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 2 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/24/2026B01109158-I1Request digital key ↗
▸Seals & Professional Certifications1
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/24/2026B01109158-I1Open ↗