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Four families
480 WARREN STREET
BROOKLYN · Carroll Gardens-Cobble Hill-Gowanus-Red Hook · BIN 3006369
💬 Discuss this project
1925Year Built
3Stories
C3Building Class
R6Zoning
4,445 sfGross Floor Area
4Units
Rent Stabilized0 Open Violations
Four families · Owner of record: 47 SIDNEY LLC · 2,025 sf lot · 2.2 FAR built · Flood zone X500
Locations of Work
ArchitectureStructuralElectricalMechanicalPlumbing
Roof23p · 2 filings · 20 docs
Floor 326p · 4 filings · 20 docs
Floor 227p · 4 filings · 20 docs
Floor 125p · 4 filings · 20 docs
Cellar28p · 4 filings · 20 docs
Basement1p · 1 filing · 8 docs
Sub-Basement25p · 4 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
NORTHBRIDGE CONTRACTING1807/08/2026
47 SIDNEY LLC203/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
06/11/2021$2.1M—480 WARREN STREET LLC → 47 SIDNEY LLC$472/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CHEN CONSULTING ENGINEER, PLLC408/13/2025
SUNG HO SHIN ARCHITECT, PC412/16/2024
CNY ENGINEERING P.C102/25/2022
JIAN ENGINEERING PLLC102/06/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
SUNG HO SHIN ARCHITECT1603/21/2026
CNY ENGINEERING PC203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
LL CUSTOM HOMES LLCGeneral Contractor507/08/2026
NORTHBRIDGE CONTRACTING LGeneral Contractor303/21/2026
KATAN P & H INCPlumbing207/08/2026
A + SPRINKLER CORPFire Protection107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
JIAN ENGINEERING PLLC7397908/13/2025
Building Lifecycle
All (124)Filed (9)Permit Issued (7)Signed Off (1)Violation (13)Inspection (6)Objection (58)Special Inspection (30)
11/19/2025
Violation issued (HPD, closed)
I
08/27/2025
Special inspection requirement — Structural Steel - High Strength Bolting
JIAN DENG
08/27/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
JIAN DENG
08/27/2025
Special inspection requirement — Concrete - Cast-In-Place
JIAN DENG
08/27/2025
Special inspection requirement — Masonry
JIAN DENG
08/27/2025
Special inspection requirement — Structural Steel - Details
JIAN DENG
08/27/2025
Special inspection requirement — Structural Steel - Welding
JIAN DENG
08/27/2025
Special inspection requirement — Structural Steel - High Strength Bolting
JIAN DENG
08/27/2025
Special inspection requirement — Concrete - Cast-In-Place
JIAN DENG
08/27/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
JIAN DENG
08/27/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
JIAN DENG
08/27/2025
Special inspection requirement — Structural Cold-Formed Steel
JIAN DENG
08/27/2025
Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation
JIAN DENG
08/27/2025
Special inspection requirement — Masonry
JIAN DENG
08/27/2025
Special inspection requirement — Footing and Foundation
JIAN DENG
08/27/2025
Special inspection requirement — Fire-Resistance Rated Construction
JIAN DENG
08/27/2025
Special inspection requirement — Final
JIAN DENG
08/27/2025
Special inspection requirement — Energy Code Compliance Inspections
JIAN DENG
08/27/2025
Special inspection requirement — Interior lighting power
JIAN DENG
08/27/2025
Special inspection requirement — Air barrier - visual inspection
JIAN DENG
08/27/2025
Special inspection requirement — Fenestration air leakage
JIAN DENG
08/27/2025
Special inspection requirement — Insulation placement and R values
JIAN DENG
08/27/2025
Special inspection requirement — Fenestration areas
JIAN DENG
08/27/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
JIAN DENG
08/27/2025
Special inspection requirement — Lighting in dwelling units
JIAN DENG
08/27/2025
Special inspection requirement — Structural Steel - Welding
JIAN DENG
08/27/2025
Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation
JIAN DENG
08/27/2025
Special inspection requirement — Structural Steel - Details
JIAN DENG
08/27/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
JIAN DENG
08/27/2025
Special inspection requirement — Structural Cold-Formed Steel
JIAN DENG
08/27/2025
Special inspection requirement — Footing and Foundation
JIAN DENG
08/20/2025
Objection resolved — Addressed
08/18/2025
Objection raised — Other
08/13/2025
Filed — Alteration
INTERIOR RENOVATION OF EXISTING 4 FAMILY HOUSE W REAR EXTENSION AS PER PLANS. NO CHANGE IN USE, OCCUPANCY, OR EGRESS IS INVOLVED UNDER THIS APPLICATION.
B00598031-P4
06/11/2025
Violation issued (HPD, closed)
A
04/23/2025
Objection resolved — Addressed
03/21/2025
Objection raised — Other
03/20/2025
Filed — Alteration
INTERIOR RENOVATION OF EXISTING 4 FAMILY HOUSE W REAR EXTENSION AS PER PLANS. NO CHANGE IN USE, OCCUPANCY, OR EGRESS IS INVOLVED UNDER THIS APPLICATION.
B00598031-P2
12/16/2024
Filed — Alteration
Plumbing work for GC job#B00598031
B00669447-P1
12/13/2024
Permit issued — Mechanical Systems
B00701282-I1-MS
06/20/2024
Permit issued — Plumbing
B00657128-I1-PL
04/07/2024
Violation issued (HPD, closed)
A
05/23/2023
Signed off — Alteration
temporary construction fence
B00672507-I1
04/06/2023
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
04/05/2023
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
03/27/2023
Violation issued (HPD, closed)
A
03/20/2023
Objection raised — Other
03/20/2023
Objection resolved — Addressed
03/20/2023
Objection raised — Zoning
03/20/2023
Objection resolved — Addressed
03/08/2023
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
02/24/2023
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
01/18/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
01/10/2023
Violation issued (ECB, closed)
Construction
12/05/2022
Permit issued — General Construction
B00598031-I1-GC-CX
10/12/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
10/03/2022
Objection raised — Scope
10/03/2022
Objection resolved — Addressed
10/03/2022
Objection raised — Inspections
10/03/2022
Objection resolved — Addressed
Latest 60 of 124 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedNORTHBRIDGE CONTRACTING L12/13/2024
DOB NOWPlumbingPermit IssuedKATAN P & H INC06/20/2024
DOB NOWGeneral ConstructionPermit IssuedLL CUSTOM HOMES LLC12/05/2022
DOB NOWPlumbingPermit IssuedKATAN P & H INC06/21/2022
DOB NOWSprinklersSigned-offA + SPRINKLER CORP06/20/2022
DOB NOWStructuralPermit IssuedLL CUSTOM HOMES LLC03/31/2022
DOB NOWConstruction FenceSigned-offLL CUSTOM HOMES LLC02/09/2022
1 project · most recent 02/25/2022
FiledStatusContractorScope
02/25/2022Signed-offA + SPRINKLER CORP1 heads
2 projects · most recent 12/16/2024
Water/Sanitary Gas
FiledStatusContractorScope
12/16/2024Permit IssuedKATAN P & H INCGas, Water/Sanitary
02/25/2022Permit IssuedKATAN P & H INCWater/Sanitary
1 project · most recent 04/05/2023
General Wiring
FiledStatusContractorScope
04/05/2023Permit IssuedNELSON & TOM MAINT INC DBGeneral Wiring
1 project · most recent 08/13/2025
Steel Concrete
FiledStatusContractorScope
08/13/2025Permit IssuedLL CUSTOM HOMES LLCSteel, Concrete
▾Field Inspections (DOB CAP) — 6
DateTypeResultReport
04/06/2023Fail-Final General Construction Non-Directive 14FailView ↗
04/05/2023Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
03/08/2023Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
02/24/2023Pass-Final CND-Occupancy InspectionPassView ↗
01/18/2023Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
10/12/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 89
DateRequirementInspectorRole
08/27/2025Fenestration areasJIAN DENGenergy_progress
08/27/2025Structural Steel - DetailsJIAN DENGspecial
08/27/2025Structural Steel - WeldingJIAN DENGspecial
08/27/2025Structural Steel - High Strength BoltingJIAN DENGspecial
08/27/2025Concrete - Cast-In-PlaceJIAN DENGspecial
08/27/2025Fire-Resistant Penetrations and JointsJIAN DENGspecial
08/27/2025Structural Stability – Alterations of existing buildingsJIAN DENGspecial
08/27/2025Structural Cold-Formed SteelJIAN DENGspecial
08/27/2025Private On-Site Storm Water Disposal Systems-, and Detention Facilities, InstallationJIAN DENGspecial
08/27/2025MasonryJIAN DENGspecial
08/27/2025Footing and FoundationJIAN DENGprogress
08/27/2025Fire-Resistance Rated ConstructionJIAN DENGprogress
08/27/2025FinalJIAN DENGprogress
08/27/2025Energy Code Compliance InspectionsJIAN DENGprogress
08/27/2025Interior lighting powerJIAN DENGenergy_progress
08/27/2025Air barrier - visual inspectionJIAN DENGenergy_progress
08/27/2025Fenestration air leakageJIAN DENGenergy_progress
08/27/2025Insulation placement and R valuesJIAN DENGenergy_progress
08/27/2025Fenestration and door U-factor and product ratingsJIAN DENGenergy_progress
08/27/2025Lighting in dwelling unitsJIAN DENGenergy_progress
08/27/2025Structural Steel - WeldingJIAN DENGspecial
08/27/2025Private On-Site Storm Water Disposal Systems-, and Detention Facilities, InstallationJIAN DENGspecial
08/27/2025Structural Steel - DetailsJIAN DENGspecial
08/27/2025Structural Stability – Alterations of existing buildingsJIAN DENGspecial
08/27/2025Structural Cold-Formed SteelJIAN DENGspecial
Latest 25 of 89.
▾Documents — 149 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch10
08/31/2026B00672507-I1Request digital key ↗
08/23/2026B00669447-I1Request digital key ↗
08/23/2026B00669447-P1Request digital key ↗
Showing 3 of 10 on file for this type
▸Applications & Permits1
▸BISPLAN / WORK APPROVAL APPLICATION1
08/08/2022340835555Open ↗
▸Zoning, Tax Lot & Property Records5
▸DOB NOWZD1: DOB Zoning Diagram5
08/13/2026B00598031-I1Open ↗
08/13/2026B00598031-P2Open ↗
08/13/2026B00598031-P3Open ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications100
▸DOB NOWProgress Inspector Seal & Signature48
08/26/2026B00598031-P3Open ↗
08/26/2026B00598031-P3Open ↗
08/26/2026B00598031-P3Open ↗
Showing 3 of 48 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature41
08/26/2026B00598031-P3Open ↗
08/26/2026B00598031-P3Open ↗
08/26/2026B00598031-P3Open ↗
Showing 3 of 41 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature10
08/23/2026B00669447-P1Open ↗
08/23/2026B00669447-I1Open ↗
08/21/2026B00598031-P4Open ↗
Showing 3 of 10 on file for this type
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
08/08/2022340835555Open ↗
▸Safety & Tenant Protection1
▸BISBPP: STREET TREES SITE PLAN1
01/24/2023340835555Open ↗
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
08/23/2026B00669447-P1Open ↗
08/23/2026B00669447-I1Open ↗
08/21/2026B00598031-P3Open ↗
Showing 3 of 9 on file for this type
▸Energy Compliance1
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
08/08/2022340835555Open ↗
▸Filing & Intake Forms6
▸DOB NOWAI1 Form4
08/13/2026B00598031-P4Open ↗
08/13/2026B00598031-I1Open ↗
08/13/2026B00598031-P3Open ↗
Showing 3 of 4 on file for this type
▸BISEFILING JOB APPLICATION COVER SHEET1
08/08/2022340835555Open ↗
▸BISADDITIONAL INFORMATION1
01/24/2023340835555Open ↗
▸Other Documents16
▸DOB NOWPlot Diagram5
08/13/2026B00598031-P1Open ↗
08/13/2026B00598031-I1Open ↗
08/13/2026B00598031-P4Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone5
08/13/2026B00598031-P1Open ↗
08/13/2026B00598031-I1Open ↗
08/13/2026B00598031-P2Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSite Survey: Initial4
08/13/2026B00598031-P4Open ↗
08/13/2026B00598031-P3Open ↗
08/13/2026B00598031-P2Open ↗
Showing 3 of 4 on file for this type
▸BISBPP - SUPPORTING DOCUMENTATION1
01/24/2023340835555Open ↗
▸DOB NOWProject Specific General Liability (PGL1)1
08/13/2026B00598031-I1Open ↗