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BROOKLYN
50 BAY 20 STREET
BROOKLYN · BIN 3429453
💬 Discuss this project
—Year Built
—Stories
—Building Class
—Zoning
—Gross Floor Area
—Units
0 Open ViolationsFDNY Report ↗
Flood zone X
Locations of Work
ArchitectureStructuralPlumbing
Permit Issued — active, not yet Signed-off
PenthouseUnder Construction33p · 2 filings · 20 docs
Floor 2Under Construction44p · 3 filings · 20 docs
Floor 1Under Construction44p · 3 filings · 20 docs
CellarUnder Construction50p · 5 filings · 20 docs
BasementUnder Construction26p · 1 filing · 20 docs
Sub-BasementUnder Construction18p · 2 filings · 20 docs
1 job · most recent 05/19/2026
FiledStatusContractorScope
05/19/2026Signed-offDYNAMIC PLBNG & SPRKR COR36 heads
1 job · most recent 07/21/2026
Gas Water/Sanitary
FiledStatusContractorScope
07/21/2026Permit IssuedWASOFF PLBG & UTILITY COGas, Water/Sanitary
2 jobs · most recent 12/19/2024
General Wiring
FiledStatusContractorScope
12/19/2024CompleteQ.Y. ELECTRIC, INCGeneral Wiring
11/22/2024CompleteQ.Y. ELECTRIC, INC4 meters, 4 new_meters
3 jobs · most recent 05/08/2023
Steel Concrete Masonry
FiledStatusContractorScope
05/08/2023Permit IssuedLXC CONSTRUCTION INCSteel, Concrete, Masonry
05/08/2023Permit IssuedLXC CONSTRUCTION INC1 scope_items
05/08/2023Permit IssuedLXC CONSTRUCTION INC1 scope_items
1 job · most recent 04/24/2023
Fence
FiledStatusContractorScope
04/24/2023Permit IssuedLXC CONSTRUCTION INCFence
Building Lifecycle
All (127)Filed (14)Permit Issued (14)Violation (2)Inspection (13)Objection (54)Special Inspection (30)
08/05/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIUCHENG LI
08/05/2026
Special inspection requirement — HVAC-R and service water heating equipment
XIUCHENG LI
08/05/2026
Special inspection requirement — Energy Code Compliance Inspections
XIUCHENG LI
08/05/2026
Special inspection requirement — HVAC-R and service water heating system controls
XIUCHENG LI
08/05/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
XIUCHENG LI
08/05/2026
Special inspection requirement — Maintenance information
XIUCHENG LI
07/21/2026
Filed — Alteration
TO FILE PL WORKTYPE IN CONJUNCTION WITH NB APPLICATION # B00793903.
B01141001-P4
07/14/2026
Special inspection requirement — Energy Code Compliance Inspections
XIUCHENG LI
07/14/2026
Special inspection requirement — HVAC-R and service water heating system controls
XIUCHENG LI
07/14/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
XIUCHENG LI
07/14/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIUCHENG LI
07/14/2026
Special inspection requirement — Maintenance information
XIUCHENG LI
07/14/2026
Special inspection requirement — HVAC-R and service water heating equipment
XIUCHENG LI
06/11/2026
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
06/09/2026
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
06/08/2026
Permit issued — General Construction
B00793903-I1-GC
06/03/2026
Permit issued — Foundation
B00814939-I1-FO
06/03/2026
Permit issued — Structural
B00814933-I1-ST
05/22/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIUCHENG LI
05/22/2026
Special inspection requirement — Sprinkler Systems
XIUCHENG LI
05/19/2026
Filed — Alteration
TO FILE PL WORKTYPE IN CONJUNCTION WITH NB APPLICATION # B00793903.
B01141001-P3
05/19/2026
Filed — Alteration
TO FILE SP WORKTYPE IN CONJUNCTION WITH NB APPLICATION # B00793903.
B00814918-P1
04/27/2026
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
XIUCHENG LI
04/27/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
XIUCHENG LI
04/27/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
XIUCHENG LI
04/27/2026
Special inspection requirement — Electric vehicle service equipment requirements
XIUCHENG LI
04/27/2026
Special inspection requirement — Air barrier — testing
XIUCHENG LI
04/27/2026
Special inspection requirement — Permanent certificate
XIUCHENG LI
04/27/2026
Special inspection requirement — Fenestration areas
XIUCHENG LI
04/27/2026
Special inspection requirement — Interior lighting power
XIUCHENG LI
04/27/2026
Special inspection requirement — Fire-Resistance Rated Construction
XIUCHENG LI
04/27/2026
Special inspection requirement — Energy Code Compliance Inspections
XIUCHENG LI
04/27/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIUCHENG LI
04/27/2026
Special inspection requirement — Protection of exposed foundation insulation
XIUCHENG LI
04/27/2026
Special inspection requirement — Insulation placement and R values
XIUCHENG LI
04/27/2026
Special inspection requirement — Metering
XIUCHENG LI
04/27/2026
Special inspection requirement — Fenestration air leakage
XIUCHENG LI
04/27/2026
Special inspection requirement — Lighting controls
XIUCHENG LI
04/17/2026
Filed — New Building
NEW 3 STORY BUILDING WITH CELLAR & PENTHOUSE. OBTAIN NEW C OF O.
B00793903-P3
04/10/2026
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
02/26/2026
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
02/26/2026
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
01/02/2026
Permit issued — Plumbing
B01141001-I1-PL
12/08/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
11/10/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
05/19/2025
Permit issued — General Construction
B00793903-I1-GC
05/06/2025
Permit issued — Sprinklers
B00814918-I1-EW-SP
05/01/2025
Objection resolved — Addressed
05/01/2025
Objection resolved — Addressed
04/30/2025
Permit issued — Structural
B00814933-I1-ST
04/24/2025
Permit issued — Construction Fence
B00814924-I1-FN
04/04/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
04/04/2025
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
04/04/2025
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
04/04/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
04/04/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
04/03/2025
Objection raised — Fire_Protection
04/03/2025
Objection raised — Fire_Protection
03/27/2025
Filed — Alteration
TO FILE SP WORKTYPE IN CONJUNCTION WITH NB APPLICATION # B00793903.
B00814918-I1
03/12/2025
Filed — New Building
NEW 3 STORY BUILDING WITH CELLAR & PENTHOUSE. OBTAIN NEW C OF O.
B00793903-P1
Latest 60 of 127 events.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
48 BAY 20 STREET4509/13/2026
LXC CONSTRUCTION203/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
YE DEVELOPMENT INC.1107/21/2026
KCE CONSULTING ENGINEERING PLLC305/08/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
CITY BUILDING NY ARCHITECT P C1403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
LXC CONSTRUCTION INCGeneral Contractor1307/08/2026
WASOFF PLBG & UTILITY COPlumbing207/08/2026
Q.Y. ELECTRIC, INCElectrical103/22/2026
DYNAMIC PLBNG & SPRKR CORFire Protection106/28/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SD TESTING & INSPECTION S70101307/21/2026
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedLXC CONSTRUCTION INC06/08/2026
DOB NOWFoundationPermit IssuedLXC CONSTRUCTION INC06/03/2026
DOB NOWStructuralPermit IssuedLXC CONSTRUCTION INC06/03/2026
DOB NOWPlumbingPermit IssuedWASOFF PLBG & UTILITY CO01/02/2026
DOB NOWGeneral ConstructionPermit IssuedLXC CONSTRUCTION INC05/19/2025
DOB NOWSprinklersSigned-offCITYWIDE PLBG, HTG &SPRKL05/06/2025
DOB NOWStructuralPermit IssuedLXC CONSTRUCTION INC04/30/2025
DOB NOWConstruction FencePermit IssuedLXC CONSTRUCTION INC04/24/2025
DOB NOWPlumbingPermit IssuedWASOFF PLBG & UTILITY CO12/23/2024
DOB NOWGeneral ConstructionPermit IssuedLXC CONSTRUCTION INC05/21/2024
DOB NOWFoundationPermit IssuedLXC CONSTRUCTION INC05/02/2024
DOB NOWStructuralPermit IssuedLXC CONSTRUCTION INC05/02/2024
DOB NOWSupport of ExcavationPermit IssuedLXC CONSTRUCTION INC04/29/2024
DOB NOWConstruction FencePermit IssuedLXC CONSTRUCTION INC04/26/2024
▾Field Inspections (DOB CAP) — 13
DateTypeResultReport
06/11/2026Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
06/09/2026Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
04/10/2026Certified Gas-Gas-Piping-RoughingCertifiedView ↗
02/26/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
02/26/2026Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
12/08/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
11/10/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
04/04/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
04/04/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
04/04/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
04/04/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
04/04/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
02/24/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 72
DateRequirementInspectorRole
08/05/2026Fire-Resistant Penetrations and JointsXIUCHENG LIspecial
08/05/2026HVAC-R and service water piping design and insulationXIUCHENG LIenergy_progress
08/05/2026HVAC-R and service water heating equipmentXIUCHENG LIenergy_progress
08/05/2026HVAC-R and service water heating system controlsXIUCHENG LIenergy_progress
08/05/2026Maintenance informationXIUCHENG LIenergy_progress
08/05/2026Energy Code Compliance InspectionsXIUCHENG LIprogress
07/14/2026Fire-Resistant Penetrations and JointsXIUCHENG LIspecial
07/14/2026HVAC-R and service water piping design and insulationXIUCHENG LIenergy_progress
07/14/2026HVAC-R and service water heating system controlsXIUCHENG LIenergy_progress
07/14/2026HVAC-R and service water heating equipmentXIUCHENG LIenergy_progress
07/14/2026Maintenance informationXIUCHENG LIenergy_progress
07/14/2026Energy Code Compliance InspectionsXIUCHENG LIprogress
05/22/2026Fire-Resistant Penetrations and JointsXIUCHENG LIspecial
05/22/2026Sprinkler SystemsXIUCHENG LIspecial
04/27/2026Subsurface Investigations (Borings/Test Pits)XIUCHENG LIspecial
04/27/2026MasonryXIUCHENG LIspecial
04/27/2026Subgrade InspectionsXIUCHENG LIspecial
04/27/2026Concrete - Cast-In-PlaceXIUCHENG LIspecial
04/27/2026Sprayed fire-resistant materialsXIUCHENG LIspecial
04/27/2026Fire-Resistant Penetrations and JointsXIUCHENG LIspecial
04/27/2026Energy Code Compliance InspectionsXIUCHENG LIprogress
04/27/2026Fire-Resistance Rated ConstructionXIUCHENG LIprogress
04/27/2026Interior lighting powerXIUCHENG LIenergy_progress
04/27/2026Permanent certificateXIUCHENG LIenergy_progress
04/27/2026Air barrier — testing XIUCHENG LIenergy_progress
Latest 25 of 72.
▾Documents — 127 on file (BIS + DOB NOW)
▸Plans & Drawings13
▸DOB NOWPlans/Sketch13
08/22/2026B01141001-P4Request digital key ↗
08/22/2026B01141001-P3Request digital key ↗
08/22/2026B01141001-P2Request digital key ↗
Showing 3 of 13 on file for this type
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
11/26/2025322122822Open ↗
▸BISBPP-5 - Authorization to the Department of Transportation1
12/15/2025322122822Open ↗
▸Zoning, Tax Lot & Property Records3
▸DOB NOWZD1: DOB Zoning Diagram3
08/17/2026B00793903-P3Open ↗
08/13/2026B00793903-I1Open ↗
08/13/2026B00793903-P1Open ↗
▸Seals & Professional Certifications83
▸DOB NOWProgress Inspector Seal & Signature41
09/21/2026B01141001-I1Open ↗
09/21/2026B01141001-I1Open ↗
09/21/2026B01141001-I1Open ↗
Showing 3 of 41 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature28
09/21/2026B01141001-I1Open ↗
09/01/2026B00814933-I1Open ↗
09/01/2026B00814933-I1Open ↗
Showing 3 of 28 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature13
08/27/2026B00814942-I1Open ↗
08/22/2026B01141001-P4Open ↗
08/22/2026B01141001-P3Open ↗
Showing 3 of 13 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
12/15/2025322122822Open ↗
▸Trade Schedules & Equipment1
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)1
08/13/2026B00793903-I1Open ↗
▸Safety & Tenant Protection6
▸DOB NOWStreet Tree Checklist2
08/17/2026B00793903-P3Open ↗
08/15/2026B00793903-I1Open ↗
▸BISSTREET TREES SITE PLAN1
12/15/2025322122822Open ↗
▸BISSTREET TREES: RECEIPT OF STREET TREES SITE PLAN1
12/15/2025322122822Open ↗
▸BISSTREET TREE CHECKLIST1
12/15/2025322122822Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B00793903-I1Open ↗
▸Inspections & Test Reports5
▸DOB NOWSOIL REPORT3
08/17/2026B00793903-P3Open ↗
08/13/2026B00793903-I1Open ↗
08/13/2026B00793903-P1Open ↗
▸BISBPP-9 - Request for Builders Pavement Field Inspection1
12/15/2025322122822Open ↗
▸DOB NOWTR4 Test Report and Plot Diagram1
08/13/2026B00793903-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸BISBPP-8 - Request Items for Builders Pavement Plan Signoff1
12/15/2025322122822Open ↗
▸Filing & Intake Forms3
▸BISEFILING COVER SHEET2
12/15/2025322122822Open ↗
11/26/2025322122822Open ↗
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
12/15/2025322122822Open ↗
▸Other Documents10
▸DOB NOWSite Survey: Initial3
08/17/2026B00793903-P3Open ↗
08/13/2026B00793903-I1Open ↗
08/13/2026B00793903-P1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
08/17/2026B00793903-P3Open ↗
08/13/2026B00793903-I1Open ↗
08/13/2026B00793903-P1Open ↗
▸DOB NOWProperty Ownership Certification2
08/17/2026B00793903-P3Open ↗
08/15/2026B00793903-I1Open ↗
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1
12/15/2025322122822Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026B00814942-I1Open ↗