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BuildNYC
Zoned commercial or Manhattan residential
43-23 51ST STREET
QUEENS · Sunnyside · BIN 4623502
💬 Discuss this project
0Year Built
—Stories
V1Building Class
R6Zoning
0 sfGross Floor Area
0Units
0 Active Violations
Zoned commercial or Manhattan residential · Owner of record: HW Lic One · 25,956 sf lot · 0 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalFire ProtectionCivilGeneral
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Permit Issued — active, not yet Signed-off
Floor 6Under Construction37p · 1 filing · 20 docs
Floor 5Under Construction68p · 1 filing · 20 docs
Floor 4Under Construction97p · 1 filing · 20 docs
Floor 3Under Construction97p · 1 filing · 20 docs
Floor 2Under Construction67p · 1 filing · 20 docs
Floor 1Under Construction99p · 1 filing · 20 docs
MezzanineUnder Construction67p · 1 filing · 20 docs
CellarHw Lic One LLCUnder Construction108p · 2 filings · 20 docs
Sub-CellarUnder Construction35p · 1 filing · 20 docs
Site & exteriorTower construction fenceUnder Construction1p · 1 filing · 2 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
HW Lic One LLC Hiwin Group203/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/15/2018$15.0M—— → —— not available
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Studio C Architects709/28/2026
Times Buildings Engineering Services409/22/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
LC Expediting Services603/21/2026
Zobuilden203/21/2026
Studio C Architects403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Efin ManagementGeneral Contractor409/17/2026
Efin ManagementScaffold207/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Nexus Inspections and Tes9686509/28/2026
Building Lifecycle
All (72)Filed (11)Permit Issued (6)Violation (3)Objection (22)Special Inspection (30)
09/28/2026
Filed — New Building
STRUCTURAL DESIGN IN CONJUNCTION WITH NB APPLICATION DOBNOW #Q01072868-I1,
Q01072868-P2
09/28/2026
Special inspection requirement — Maintenance information
Wilson Chao
09/28/2026
Special inspection requirement — Electrical motors and elevators
Wilson Chao
09/28/2026
Special inspection requirement — Post-installed Anchors
Wilson Chao
09/28/2026
Special inspection requirement — Fenestration air leakage
Wilson Chao
09/28/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Wilson Chao
09/28/2026
Special inspection requirement — Interior lighting power
Wilson Chao
09/28/2026
Special inspection requirement — Insulation placement and R values
Wilson Chao
09/28/2026
Special inspection requirement — Air barrier continuity plan testing
Wilson Chao
09/28/2026
Special inspection requirement — Wall Panels, Curtain Walls, and Veneers
Wilson Chao
09/28/2026
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
Wilson Chao
09/28/2026
Special inspection requirement — Luminous Exit Path Markings
Wilson Chao
09/28/2026
Special inspection requirement — Fire-Resistance Rated Construction
Wilson Chao
09/28/2026
Special inspection requirement — Air barrier - visual inspection
Wilson Chao
09/28/2026
Special inspection requirement — Energy Code Compliance Inspections
Wilson Chao
09/28/2026
Special inspection requirement — Metering
Wilson Chao
09/28/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
Wilson Chao
09/28/2026
Special inspection requirement — Lighting controls
Wilson Chao
09/28/2026
Special inspection requirement — Fenestration areas
Wilson Chao
09/28/2026
Special inspection requirement — Lighting in dwelling units
Wilson Chao
09/28/2026
Special inspection requirement — Exterior lighting power
Wilson Chao
09/16/2026
Permit issued — Support of Excavation
Q00827383-I1-SE
09/11/2026
Permit issued — Foundation
Q01072868-S7-FO
09/10/2026
Permit issued — Structural
Q01072868-S8-ST
09/02/2026
Permit issued — General Construction
Q01072868-I1-GC
06/03/2026
Permit issued — Construction Fence
Q01199932-I1-FN
06/01/2026
Filed — New Building
STRUCTURAL DESIGN IN CONJUNCTION WITH NB APPLICATION DOBNOW #Q01072868-I1,
Q01072868-S9
05/13/2026
Special inspection requirement — Chimneys and vents
04/22/2026
Objection resolved — Resolved
04/09/2026
Objection raised — Other
11/12/2025
Special inspection requirement — Metering
11/12/2025
Special inspection requirement — Electrical motors and elevators
11/12/2025
Special inspection requirement — Maintenance information
11/12/2025
Special inspection requirement — Exterior lighting power
11/12/2025
Special inspection requirement — Air barrier continuity plan testing
11/11/2025
Special inspection requirement — Standpipe Systems
10/08/2025
Objection raised — Admin
10/08/2025
Objection raised — Admin
10/02/2025
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
Junda Qiu
10/02/2025
Special inspection requirement — Structural Steel - Welding
Junda Qiu
09/23/2025
Objection resolved — Addressed
09/22/2025
Filed — Alteration
SOE/EXCAVATION DESIGN TO FACILITATE THE CONSTRUCTION OF FOUNDATION. THE SOE SYSTEM .UTILIZE SOLDIER PILE, TANGENT PILE, WALER, PRAKER, WOOD LAGGING TO RESIST LATERAL EARTH PRESSURE RELATED TO NB Q01072868-I1.
Q00827383-P1
09/19/2025
Filed — New Building
STRUCTURAL DESIGN IN CONJUNCTION WITH NB APPLICATION DOBNOW #Q01072868-I1,
Q01072868-S7
09/19/2025
Filed — New Building
STRUCTURAL DESIGN IN CONJUNCTION WITH NB APPLICATION DOBNOW #Q01072868-I1,
Q01072868-S8
09/19/2025
Special inspection requirement — Structural Steel - Welding
08/22/2025
Objection raised — Other
08/05/2025
Objection resolved — Addressed
07/18/2025
Objection raised — Other
07/09/2025
Objection resolved — Addressed
06/04/2025
Objection raised — Other
05/27/2025
Objection resolved — Addressed
04/16/2025
Permit issued — Construction Fence
Q01199932-I1-FN
04/07/2025
Objection raised — Admin
04/07/2025
Objection resolved — Addressed
03/26/2025
Filed — Alteration
INSTALLATION OF TEMPORARY CONSTRUCTION FENCE.IN CONJUCTION WITH NB#Q01072868. NO CHANGE IN USE OR OCCUPANCY
Q01199932-I1
03/10/2025
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/10/2025
Violation issued (ECB, closed)
Construction
03/10/2025
Violation issued (ECB, closed)
Construction
09/19/2024
Filed — New Building
STRUCTURAL DESIGN IN CONJUNCTION WITH NB APPLICATION DOBNOW #Q01072868-I1,
Q01072868-S2
09/19/2024
Filed — New Building
STRUCTURAL DESIGN IN CONJUNCTION WITH NB APPLICATION DOBNOW #Q01072868-I1,
Q01072868-S4
Latest 60 of 72 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSupport of ExcavationPermit IssuedEfin Management09/16/2026
DOB NOWFoundationPermit IssuedEfin Management09/11/2026
DOB NOWStructuralPermit IssuedEfin Management09/10/2026
DOB NOWGeneral ConstructionPermit IssuedEfin Management09/02/2026
DOB NOWConstruction FencePermit IssuedEfin Management06/03/2026
DOB NOWConstruction FencePermit IssuedEfin Management04/16/2025
1 project · most recent 09/28/2026
Sprinkler System
FiledStatusContractorScope
09/28/2026——Sprinkler System
2 projects · most recent 09/23/2026
FiledStatusContractorScope
09/23/2026Permit IssuedCL Electrical—
03/12/2026Permit IssuedRightway Electrical1 meters, 1 new_meters
2 projects · most recent 09/28/2026
Concrete Masonry
FiledStatusContractorScope
09/28/2026Permit IssuedEfin ManagementConcrete, Masonry
09/22/2025Permit IssuedEfin Management2 scope_items
1 project · most recent 03/26/2025
Fence
FiledStatusContractorScope
03/26/2025Permit IssuedEfin ManagementFence
▾Special Inspection Requirements (DOB NOW) — 77
DateRequirementInspectorRole
09/28/2026Exterior Insulation and Finish Systems (EIFS)Wilson Chaospecial
09/28/2026Fire-Resistant Penetrations and JointsWilson Chaospecial
09/28/2026Luminous Exit Path MarkingsWilson Chaospecial
09/28/2026Post-installed AnchorsWilson Chaospecial
09/28/2026Wall Panels, Curtain Walls, and VeneersWilson Chaospecial
09/28/2026Energy Code Compliance InspectionsWilson Chaoprogress
09/28/2026Fire-Resistance Rated ConstructionWilson Chaoprogress
09/28/2026Insulation placement and R valuesWilson Chaoenergy_progress
09/28/2026Air barrier continuity plan testingWilson Chaoenergy_progress
09/28/2026Exterior lighting powerWilson Chaoenergy_progress
09/28/2026Electrical motors and elevatorsWilson Chaoenergy_progress
09/28/2026Interior lighting powerWilson Chaoenergy_progress
09/28/2026Maintenance informationWilson Chaoenergy_progress
09/28/2026Air barrier - visual inspectionWilson Chaoenergy_progress
09/28/2026Fenestration air leakageWilson Chaoenergy_progress
09/28/2026MeteringWilson Chaoenergy_progress
09/28/2026Fenestration and door U-factor and product ratingsWilson Chaoenergy_progress
09/28/2026Lighting controlsWilson Chaoenergy_progress
09/28/2026Fenestration areasWilson Chaoenergy_progress
09/28/2026Lighting in dwelling unitsWilson Chaoenergy_progress
05/13/2026Chimneys and vents—special
11/12/2025Maintenance information—energy_progress
11/12/2025Electrical motors and elevators—energy_progress
11/12/2025Metering—energy_progress
11/12/2025Air barrier continuity plan testing—energy_progress
Latest 25 of 77.
▾Documents — 108 on file (BIS + DOB NOW)
▸Plans & Drawings11
▸DOB NOWPlans/Sketch11
08/25/2026Q00827383-P1Request digital key ↗
08/20/2026Q01199932-I1Request digital key ↗
08/16/2026Q01072868-P1Request digital key ↗
Showing 3 of 11 on file for this type
▸Applications & Permits11
▸BISPLAN / WORK APPROVAL APPLICATION8
04/19/2022421738515Open ↗
03/30/2022421738515Open ↗
03/02/2021421738515Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWDEP Stormwater Construction Permit3
10/04/2026Q01072868-P2Open ↗
08/16/2026Q01072868-P1Open ↗
08/15/2026Q01072868-I1Open ↗
▸Zoning, Tax Lot & Property Records11
▸DOB NOWZD1: DOB Zoning Diagram3
10/04/2026Q01072868-P2Open ↗
08/16/2026Q01072868-P1Open ↗
08/15/2026Q01072868-I1Open ↗
▸DOB NOWZoning Exhibit form (1-5)3
10/04/2026Q01072868-P2Open ↗
08/16/2026Q01072868-P1Open ↗
08/15/2026Q01072868-I1Open ↗
▸BISEASEMENT AND RESTRICTIVE DECLARATIONS - SUPPPORTING DOCUMENTATION2
05/08/2019421738515Open ↗
05/08/2019421738515Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp2
10/04/2026Q01072868-P2Open ↗
08/15/2026Q01072868-I1Open ↗
▸BISADDRESS: NEW HOUSE NUMBER APPROVED1
05/06/2019421738515Open ↗
▸Seals & Professional Certifications36
▸DOB NOWProgress Inspector Seal & Signature15
10/04/2026Q01072868-P2Open ↗
10/04/2026Q01072868-P2Open ↗
10/04/2026Q01072868-P2Open ↗
Showing 3 of 15 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature12
10/04/2026Q01072868-P2Open ↗
08/25/2026Q00827383-I1Open ↗
08/20/2026Q01199932-I1Open ↗
Showing 3 of 12 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
10/04/2026Q01072868-P2Open ↗
10/04/2026Q01072868-P2Open ↗
10/04/2026Q01072868-P2Open ↗
Showing 3 of 5 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION4
06/07/2019421738515Open ↗
06/07/2019421738515Open ↗
05/23/2019421738515Open ↗
Showing 3 of 4 on file for this type
▸Trade Schedules & Equipment3
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
05/23/2019421738515Open ↗
▸BISEQUIPMENT USE APPLICATION/PERMIT1
05/23/2019421738515Open ↗
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)1
08/15/2026Q01072868-I1Open ↗
▸Safety & Tenant Protection5
▸DOB NOWStreet Tree Checklist3
10/04/2026Q01072868-P2Open ↗
08/16/2026Q01072868-P1Open ↗
08/15/2026Q01072868-I1Open ↗
▸BISSTREET TREE CHECKLIST1
05/06/2019421738515Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/15/2026Q01072868-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWOER: Notice to Proceed1
08/25/2026Q00827383-I1Open ↗
▸Energy Compliance4
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS4
06/07/2019421738515Open ↗
06/07/2019421738515Open ↗
05/23/2019421738515Open ↗
Showing 3 of 4 on file for this type
▸Inspections & Test Reports1
▸DOB NOWSOIL REPORT1
08/13/2026Q01072868-S7Open ↗
▸Approvals, Objections & Sign-offs7
▸BISSCHEDULE A - OCCUPANCY / USE4
04/19/2022421738515Open ↗
03/30/2022421738515Open ↗
03/02/2021421738515Open ↗
Showing 3 of 4 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION2
07/22/2019421738515Open ↗
07/22/2019421738515Open ↗
▸BISBSA/CPC APPROVAL1
03/07/2022421738515Open ↗
▸Cost, Insurance & Ownership3
▸BISCOST AFFIDAVIT3
06/07/2019421738515Open ↗
06/07/2019421738515Open ↗
05/23/2019421738515Open ↗
▸Filing & Intake Forms4
▸BISEFILING COVER SHEET4
06/07/2019421738515Open ↗
06/07/2019421738515Open ↗
05/23/2019421738515Open ↗
Showing 3 of 4 on file for this type
▸Other Documents11
▸DOB NOWSite Survey: Initial3
10/04/2026Q01072868-P2Open ↗
08/16/2026Q01072868-P1Open ↗
08/15/2026Q01072868-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
10/04/2026Q01072868-P2Open ↗
08/16/2026Q01072868-P1Open ↗
08/15/2026Q01072868-I1Open ↗
▸DOB NOWProperty Ownership Certification3
10/04/2026Q01072868-P2Open ↗
08/16/2026Q01072868-P1Open ↗
08/15/2026Q01072868-I1Open ↗
▸BISPLOT DIAGRAM1
05/06/2019421738515Open ↗
▸DOB NOWAdjoining Owners Notification1
08/25/2026Q00827383-I1Open ↗