← Back
Three families
638 51 STREET
BROOKLYN · Sunset Park (Central) · BIN 3013673
💬 Discuss this project
1905Year Built
2Stories
C0Building Class
R6BZoning
2,048 sfGross Floor Area
3Units
1 Open Violation ▸FDNY Report ↗
Three families · Owner of record: XFW 348 LLC · 2,003 sf lot · 1.02 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire Protection
Roof22p · 2 filings · 20 docs
Bulkhead1p · 1 filing · 6 docs
Floor 317p · 2 filings · 20 docs
Floor 218p · 1 filing · 20 docs
Floor 118p · 1 filing · 20 docs
Cellar18p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
PACIFIC HOLDING ENTERPRISES507/08/2026
XFW 348 LLC103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
10/19/2021$1.3M—— → —$635/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NY BUILDING ASSOCIATES INC201/21/2025
JX FLAME SOLUTION INC208/01/2024
NYX ENGINEERING, PLLC607/10/2024
RIGID STRUCTURAL DESIGN, LLC105/08/2024
WT ENGINEERING STUDIO210/11/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
VIBEN BUILDING2003/21/2026
Rigid Structural Design, LLC103/21/2026
BROOKLYN SOLARWORKS203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
JABBIE INDUSTRIES INCORP*General Contractor1007/08/2026
NASH ELECTRIC SERVICES INElectrical103/22/2026
CASE PLUMBING LLCFire Protection107/08/2026
BROOKYLN SOLARWORKS, LLCElectrical103/22/2026
PACIFIC HOLDING ENTERPR*General Contractor107/08/2026
CATMAN PLUMBING INCPlumbing107/08/2026
BROOKLYN SOLARWORKS LLCGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244801/21/2025
JX FLAME SOLUTION INC7286208/01/2024
Building Lifecycle
All (82)Filed (13)Permit Issued (8)Signed Off (7)Violation (2)Inspection (6)Objection (16)Special Inspection (30)
03/25/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
02/24/2025
Signed off — Alteration
INSTALLATION OF SOLAR PV SYSTEM. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B01141796-I1
02/03/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
01/21/2025
Filed — Alteration
INSTALLATION OF SOLAR PV SYSTEM. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B01141796-P1
01/16/2025
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
01/16/2025
Special inspection requirement — Air barrier - visual inspection
NARESH MAHANGU
01/16/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
NARESH MAHANGU
01/16/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
01/16/2025
Special inspection requirement — Final
NARESH MAHANGU
12/30/2024
Signed off — Alteration
B01043352-I1
12/05/2024
Signed off — Alteration
B00780550-I1
11/27/2024
Permit issued — Solar
B01141796-I1-SL
11/22/2024
Filed — Alteration
INSTALLATION OF SOLAR PV SYSTEM. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
B01141796-I1
11/20/2024
Signed off — ALT-CO - New Building with Existing Elements to Remain
FILE SPRINKLER WORK TYPE IN CONJUNCTION WITH GENERAL CONSTRUCTION APPLICATION JOB#B00642083-I1.
B00642083-S2
11/20/2024
Signed off — ALT-CO - New Building with Existing Elements to Remain
FILE SPRINKLER WORK TYPE IN CONJUNCTION WITH GENERAL CONSTRUCTION APPLICATION JOB#B00642083-I1.
B00642083-S3
10/15/2024
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
10/10/2024
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
08/08/2024
Permit issued — Sprinklers
B00642083-S3-EW-SP
08/01/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
FILE SPRINKLER WORK TYPE IN CONJUNCTION WITH GENERAL CONSTRUCTION APPLICATION JOB#B00642083-I1.
B00642083-P4
07/31/2024
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
07/31/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
07/31/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
JIE ZHU
07/31/2024
Special inspection requirement — HVAC-R and service water heating system controls
JIE ZHU
07/31/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
JIE ZHU
07/31/2024
Special inspection requirement — HVAC-R and service water heating equipment
JIE ZHU
07/26/2024
Signed off — ALT-CO - New Building with Existing Elements to Remain
FILE SPRINKLER WORK TYPE IN CONJUNCTION WITH GENERAL CONSTRUCTION APPLICATION JOB#B00642083-I1.
B00642083-S1
07/25/2024
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
07/25/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
NARESH MAHANGU
07/25/2024
Special inspection requirement — Protection of exposed foundation insulation
NARESH MAHANGU
07/25/2024
Special inspection requirement — Insulation placement and R values
NARESH MAHANGU
07/25/2024
Special inspection requirement — Fire-Resistance Rated Construction
NARESH MAHANGU
07/25/2024
Special inspection requirement — Masonry
NARESH MAHANGU
07/25/2024
Special inspection requirement — Concrete - Cast-In-Place
NARESH MAHANGU
07/25/2024
Special inspection requirement — Lighting in dwelling units
NARESH MAHANGU
07/25/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
07/25/2024
Special inspection requirement — Exterior lighting power
NARESH MAHANGU
07/25/2024
Special inspection requirement — Interior lighting power
NARESH MAHANGU
07/25/2024
Special inspection requirement — Fenestration areas
NARESH MAHANGU
07/25/2024
Special inspection requirement — Metering
NARESH MAHANGU
07/25/2024
Special inspection requirement — Maintenance information
NARESH MAHANGU
07/25/2024
Special inspection requirement — Fenestration air leakage
NARESH MAHANGU
07/25/2024
Special inspection requirement — Air barrier - visual inspection
NARESH MAHANGU
07/25/2024
Special inspection requirement — Lighting controls
NARESH MAHANGU
07/25/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
NARESH MAHANGU
07/25/2024
Special inspection requirement — Chimneys and vents
NARESH MAHANGU
07/24/2024
Signed off — Alteration
FILE FOUNDATION AND STRUCTURAL WORK TYPES IN CONJUNCTION WITH ALT-CO NEW BUILDING WITH EXISTING ELEMENTS TO REMAIN JOB APPLICATION JOB#B00642083.
B00779229-I1
07/10/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
FILE SPRINKLER WORK TYPE IN CONJUNCTION WITH GENERAL CONSTRUCTION APPLICATION JOB#B00642083-I1.
B00642083-P3
07/09/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
07/09/2024
Special inspection requirement — Concrete - Cast-In-Place
NARESH MAHANGU
06/24/2024
Permit issued — Support of Excavation
B00642083-S1-SE
06/21/2024
Permit issued — Plumbing
B00642083-S2-PL
06/19/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
FILE SPRINKLER WORK TYPE IN CONJUNCTION WITH GENERAL CONSTRUCTION APPLICATION JOB#B00642083-I1.
B00642083-S2
05/22/2024
Permit issued — General Construction
B00642083-I1-GC
05/09/2024
Permit issued — Sidewalk Shed
B01043352-I1-SH
05/08/2024
Filed — Alteration
B01043352-I1
05/08/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
FILE SPRINKLER WORK TYPE IN CONJUNCTION WITH GENERAL CONSTRUCTION APPLICATION JOB#B00642083-I1.
B00642083-P2
05/07/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
FILE SPRINKLER WORK TYPE IN CONJUNCTION WITH GENERAL CONSTRUCTION APPLICATION JOB#B00642083-I1.
B00642083-S3
04/16/2024
Objection raised — Admin
04/16/2024
Objection resolved — Addressed
04/05/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
FILE SPRINKLER WORK TYPE IN CONJUNCTION WITH GENERAL CONSTRUCTION APPLICATION JOB#B00642083-I1.
B00642083-P1
Latest 60 of 82 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offBROOKLYN SOLARWORKS LLC11/27/2024
DOB NOWSprinklersSigned-offS & L PLUMBING INC08/08/2024
DOB NOWSupport of ExcavationSigned-offJABBIE INDUSTRIES INCORP*06/24/2024
DOB NOWPlumbingSigned-offCATMAN PLUMBING INC06/21/2024
DOB NOWGeneral ConstructionPermit IssuedJABBIE INDUSTRIES INCORP*05/22/2024
DOB NOWSidewalk ShedSigned-offPACIFIC HOLDING ENTERPR*05/09/2024
DOB NOWFoundationSigned-offJABBIE INDUSTRIES INCORP*04/03/2024
DOB NOWConstruction FenceSigned-offJABBIE INDUSTRIES INCORP*03/26/2024
1 project · most recent 08/01/2024
Gas Storm Water/Sanitary
FiledStatusContractorScope
08/01/2024Signed-offCATMAN PLUMBING INCGas, Storm, Water/Sanitary
4 projects · most recent 01/27/2025
General Wiring
FiledStatusContractorScope
01/27/2025CompleteBROOKYLN SOLARWORKS, LLC—
06/13/2024CompleteVOLTRON ELECTRIC LLC—
06/12/2024CompleteVOLTRON ELECTRIC LLCGeneral Wiring
05/07/2024CompleteNASH ELECTRIC SERVICES IN—
1 project · most recent 08/01/2024
FiledStatusContractorScope
08/01/2024Signed-offS & L PLUMBING INC2 scope_items
▾Field Inspections (DOB CAP) — 6
DateTypeResultReport
03/25/2025Pass-Final CND-Occupancy InspectionPassView ↗
02/03/2025Pass-Final CND-Occupancy InspectionPassView ↗
10/15/2024Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
10/10/2024Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
07/31/2024Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
07/31/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 61
DateRequirementInspectorRole
01/16/2025Air barrier - visual inspectionNARESH MAHANGUenergy_progress
01/16/2025Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
01/16/2025Structural Stability – Alterations of existing buildingsNARESH MAHANGUspecial
01/16/2025Energy Code Compliance InspectionsNARESH MAHANGUprogress
01/16/2025FinalNARESH MAHANGUprogress
07/31/2024HVAC-R and service water heating system controlsJIE ZHUenergy_progress
07/31/2024HVAC-R and service water heating equipmentJIE ZHUenergy_progress
07/31/2024Fire-Resistant Penetrations and JointsJIE ZHUspecial
07/31/2024HVAC-R and service water piping design and insulationJIE ZHUenergy_progress
07/25/2024Air barrier - visual inspectionNARESH MAHANGUenergy_progress
07/25/2024MasonryNARESH MAHANGUspecial
07/25/2024Structural Stability – Alterations of existing buildingsNARESH MAHANGUspecial
07/25/2024Energy Code Compliance InspectionsNARESH MAHANGUprogress
07/25/2024Fire-Resistance Rated ConstructionNARESH MAHANGUprogress
07/25/2024Fenestration and door U-factor and product ratingsNARESH MAHANGUenergy_progress
07/25/2024Fenestration air leakageNARESH MAHANGUenergy_progress
07/25/2024Maintenance informationNARESH MAHANGUenergy_progress
07/25/2024Exterior lighting powerNARESH MAHANGUenergy_progress
07/25/2024Lighting controlsNARESH MAHANGUenergy_progress
07/25/2024Lighting in dwelling unitsNARESH MAHANGUenergy_progress
07/25/2024Interior lighting powerNARESH MAHANGUenergy_progress
07/25/2024Fenestration areasNARESH MAHANGUenergy_progress
07/25/2024MeteringNARESH MAHANGUenergy_progress
07/25/2024Insulation placement and R valuesNARESH MAHANGUenergy_progress
07/25/2024Protection of exposed foundation insulationNARESH MAHANGUenergy_progress
Latest 25 of 61.
▾Documents — 86 on file (BIS + DOB NOW)
▸Plans & Drawings13
▸DOB NOWPlans/Sketch13
08/28/2026B00779229-I1Request digital key ↗
08/28/2026B00780550-I1Request digital key ↗
08/25/2026B00642083-S2Request digital key ↗
Showing 3 of 13 on file for this type
▸Zoning, Tax Lot & Property Records9
▸DOB NOWZD1: DOB Zoning Diagram4
08/13/2026B00642083-P1Open ↗
08/13/2026B00642083-P2Open ↗
08/13/2026B00642083-P3Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWZoning Exhibit form (1-5)4
08/13/2026B00642083-I1Open ↗
08/13/2026B00642083-P3Open ↗
08/13/2026B00642083-P1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B00642083-I1Open ↗
▸Seals & Professional Certifications29
▸DOB NOWDPL-1: Design Professional Seal & Signature13
08/28/2026B00780550-I1Open ↗
08/25/2026B00642083-P1Open ↗
08/25/2026B00642083-S1Open ↗
Showing 3 of 13 on file for this type
▸DOB NOWProgress Inspector Seal & Signature9
09/01/2026B00779229-I1Open ↗
09/01/2026B00779229-I1Open ↗
09/01/2026B01141796-P1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature7
09/01/2026B00779229-I1Open ↗
09/01/2026B01141796-P1Open ↗
08/30/2026B00642083-S3Open ↗
Showing 3 of 7 on file for this type
▸Trade Schedules & Equipment4
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)4
08/13/2026B00642083-P1Open ↗
08/13/2026B00642083-P2Open ↗
08/13/2026B00642083-P3Open ↗
Showing 3 of 4 on file for this type
▸Safety & Tenant Protection3
▸DOB NOWStreet Tree Sign Off1
08/13/2026B00642083-I1Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B00642083-I1Open ↗
▸DOB NOWStreet Trees Site Plan1
08/13/2026B00642083-I1Open ↗
▸Environmental & Asbestos10
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
08/25/2026B00642083-P4Open ↗
08/25/2026B00642083-P3Open ↗
08/25/2026B00642083-P2Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form1
08/15/2026B00642083-S1Open ↗
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis1
08/13/2026B00642083-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01141796-I1Open ↗
▸Other Documents16
▸DOB NOWSite Survey: Initial4
08/13/2026B00642083-P1Open ↗
08/13/2026B00642083-P2Open ↗
08/13/2026B00642083-P3Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone4
08/13/2026B00642083-P3Open ↗
08/13/2026B00642083-P2Open ↗
08/13/2026B00642083-P1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWProperty Ownership Certification4
08/25/2026B00642083-P3Open ↗
08/25/2026B00642083-P2Open ↗
08/14/2026B00642083-P1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWAdjoining Owners Notification2
08/13/2026B00779229-I1Open ↗
08/13/2026B00642083-S1Open ↗
▸DOB NOWProject Specific General Liability (PGL1)1
08/13/2026B00642083-I1Open ↗
▸DOB NOWFinal Survey1
08/13/2026B00642083-I1Open ↗