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Five to six families
866 51 STREET
BROOKLYN · Sunset Park (East)-Borough Park (West) · BIN 3138158
💬 Discuss this project
1920Year Built
2Stories
C2Building Class
R6Zoning
5,360 sfGross Floor Area
5Units
Rent Stabilized14 Open Violations ▸FDNY Report ↗
Five to six families · 5,284 sf lot · 1.01 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanical
Permit Issued — active, not yet Signed-off
Roof1p · 1 filing · 20 docs
Bulkhead1p · 1 filing · 20 docs
Floor 52p · 1 filing · 20 docs
Floor 42p · 1 filing · 20 docs
Floor 3
Floor 2Under Construction3p · 2 filings · 20 docs
Floor 1Under Construction3p · 2 filings · 20 docs
Cellar2p · 1 filing · 20 docs
Basement2p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
LXC CONSTRUCTION603/22/2026
JV FAST CONSTRUCTION103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
03/16/2020$1.8M—Private party → Private party$326/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
A PLUS DESIGN INC710/24/2025
FL&M ENGINEERING DESIGN &INSPECTION112/12/2024
BRIAN E. FLYNN, PE, PC105/02/2024
BAYSIDE ENGINEERING PC105/02/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
A PLUS DESIGN INC.1403/21/2026
GEIGER E A GROUP203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
LXC CONSTRUCTION INCGeneral Contractor407/08/2026
MC SUPERSTRUCTURE INCGeneral Contractor304/09/2026
RIZE CONSTRUCTION LLCGeneral Contractor207/08/2026
JV FAST CONSTRUCTION LLCGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SD TESTING & INSPECTION S7010105/02/2024
Building Lifecycle
All (156)Filed (10)Permit Issued (7)Signed Off (1)Violation (25)Objection (80)Special Inspection (30)Tax Incentive (3)
02/28/2027
485-x construction completed
05/14/2026
Signed off — Alteration
INSTALLATION OF 300 PSF SIDEWALK SHED AS PER PLANS. ALL EQUIPMENT SHALL COMPLY WITH CHAPTER #33 OF THE 2022 CODE. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01153021-I1
05/01/2026
Violation issued (HPD, open)
A
04/14/2026
Permit issued — Construction Fence
B01031381-I1-FN
04/07/2026
Violation issued (ECB, closed)
Construction
03/25/2026
Violation issued (ECB, closed)
Construction
03/19/2026
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
02/25/2026
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
02/20/2026
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
02/19/2026
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
02/19/2026
Violation issued (ECB, closed)
Unknown
02/02/2026
Permit issued — Full Demolition
B01031464-I1-FD
02/02/2026
Permit issued — Construction Fence
B01031381-I1-FN
01/05/2026
485-x construction commenced
12/11/2025
485-x registration filed
11/19/2025
Violation issued (HPD, open)
I
11/13/2025
Permit issued — Sidewalk Shed
B01153021-I1-SH
11/06/2025
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
11/06/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
10/24/2025
Filed — New Building
NEW CONSTRUCTION OF 6-STORY BUILDING WITH CELLAR FOR 15 RESIDENTIAL UNITS AND COMMUNITY FACILITY. OBTAIN A CERTIFICATE OF OCCUPANCY.
B00753172-P2
10/22/2025
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
10/22/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
10/02/2025
Violation issued (ECB, closed)
Construction
08/01/2025
Violation issued (ECB, closed)
Construction
06/06/2025
Violation issued (HPD, open)
A
05/15/2025
Violation issued (ECB, closed)
Construction
04/04/2025
Violation issued (ECB, closed)
Construction
04/01/2025
Violation issued (ECB, closed)
Unknown
04/01/2025
Violation issued (ECB, closed)
Construction
03/19/2025
Permit issued — Full Demolition
B01031464-I1-FD
02/24/2025
Permit issued — Construction Fence
B01031381-I1-FN
02/14/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/27/2025
Objection resolved — Addressed
01/16/2025
Objection raised — Admin
01/16/2025
Objection raised — Inspections
01/16/2025
Objection raised — Other
01/16/2025
Objection raised — Structural
01/16/2025
Objection raised — Admin
01/16/2025
Objection raised — Other
Latest 60 of 156 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FencePermit IssuedRIZE CONSTRUCTION LLC04/14/2026
DOB NOWFull DemolitionPermit IssuedJV FAST CONSTRUCTION LLC02/02/2026
DOB NOWConstruction FencePermit IssuedRIZE CONSTRUCTION LLC02/02/2026
DOB NOWSidewalk ShedSigned-offMC SUPERSTRUCTURE INC11/13/2025
DOB NOWFull DemolitionPermit IssuedLXC CONSTRUCTION INC03/19/2025
DOB NOWConstruction FencePermit IssuedLXC CONSTRUCTION INC02/24/2025
DOB NOWSidewalk ShedSigned-offMC SUPERSTRUCTURE INC12/12/2024
1 project · most recent 12/13/2024
FiledStatusContractorScope
12/13/2024CompleteNASH ELECTRIC SERVICES IN—
1 project · most recent 10/24/2025
Concrete
FiledStatusContractorScope
10/24/2025——Concrete
1 project · most recent 05/02/2024
Fence
FiledStatusContractorScope
05/02/2024Permit IssuedRIZE CONSTRUCTION LLCFence
▾Special Inspection Requirements (DOB NOW) — 44
DateRequirementInspectorRole
11/06/2025Excavations - Sheeting, Shoring, and Bracing—special
11/06/2025Structural Stability – Alterations of existing buildings—special
10/22/2025Excavations - Sheeting, Shoring, and Bracing—special
10/22/2025Structural Stability – Alterations of existing buildings—special
01/09/2025Concrete - Cast-In-Place—special
01/09/2025Excavations - Sheeting, Shoring, and Bracing—special
01/09/2025Subgrade Inspections—special
01/09/2025Energy Code Compliance Inspections—progress
01/08/2025Concrete - Cast-In-Place—special
10/09/2024Lighting controls—energy_progress
10/09/2024Fire-Resistant Penetrations and Joints—special
10/09/2024Exterior lighting power—energy_progress
10/09/2024Fenestration areas—energy_progress
10/09/2024Air barrier - visual inspection—energy_progress
10/09/2024Lighting in dwelling units—energy_progress
10/09/2024Air barrier — testing —energy_progress
10/09/2024Maintenance information—energy_progress
10/09/2024Energy Code Compliance Inspections—progress
10/09/2024Fire-Resistance Rated Construction—progress
10/09/2024Fenestration and door U-factor and product ratings—energy_progress
10/09/2024Insulation placement and R values—energy_progress
10/09/2024Interior lighting power—energy_progress
10/09/2024Metering—energy_progress
10/09/2024Fenestration air leakage—energy_progress
10/09/2024Electrical motors and elevators—energy_progress
Latest 25 of 44.
▾Documents — 49 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch10
08/29/2026B00753172-P2Request digital key ↗
08/25/2026B01031381-I1Request digital key ↗
08/23/2026B01153021-I1Request digital key ↗
Showing 3 of 10 on file for this type
▸Zoning, Tax Lot & Property Records5
▸DOB NOWZD1: DOB Zoning Diagram2
08/13/2026B00753172-I1Open ↗
08/13/2026B00753172-P1Open ↗
▸DOB NOWZoning Exhibit form (1-5)2
08/13/2026B00753172-I1Open ↗
08/13/2026B00753172-P1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B00753172-I1Open ↗
▸Seals & Professional Certifications11
▸DOB NOWDPL-1: Design Professional Seal & Signature11
08/29/2026B00753172-P2Open ↗
08/29/2026B00753172-S8Open ↗
08/29/2026B00753172-S7Open ↗
Showing 3 of 11 on file for this type
▸Trade Schedules & Equipment6
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)2
08/13/2026B00753172-I1Open ↗
08/13/2026B00753172-P1Open ↗
▸DOB NOWWater Cut-Off1
08/14/2026B01031464-I1Open ↗
▸DOB NOWGas Cut-Off1
08/14/2026B01031464-I1Open ↗
▸DOB NOWSewer Cut-Off1
08/14/2026B01031464-I1Open ↗
▸DOB NOWElectric Cut-Off1
08/14/2026B01031464-I1Open ↗
▸Safety & Tenant Protection4
▸DOB NOWStreet Tree Checklist2
08/14/2026B00753172-P1Open ↗
08/14/2026B00753172-I1Open ↗
▸DOB NOWStreet Trees Site Plan1
08/13/2026B00753172-I1Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B00753172-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/14/2026B01031464-I1Open ↗
▸DOB NOWRodent Control1
08/14/2026B01031464-I1Open ↗
▸Other Documents11
▸DOB NOWProperty Ownership Certification3
08/14/2026B00753172-P1Open ↗
08/14/2026B01031464-I1Open ↗
08/14/2026B00753172-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone2
08/13/2026B00753172-P1Open ↗
08/13/2026B00753172-I1Open ↗
▸DOB NOWSite Survey: Initial2
08/13/2026B00753172-I1Open ↗
08/13/2026B00753172-P1Open ↗
▸DOB NOWFull Demo: 10-Day Notice1
08/14/2026B01031464-I1Open ↗
▸DOB NOWStructure Photographs1
08/14/2026B01031464-I1Open ↗
▸DOB NOWWaiver Document1
08/14/2026B01031464-I1Open ↗
▸DOB NOWCommunity Board Notification1
08/14/2026B01031464-I1Open ↗