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Two family converted from one family
30-42 50 STREET
QUEENS · BIN 4013791
💬 Discuss this project
1945Year Built
2Stories
B3Building Class
R5Zoning
1,575 sfGross Floor Area
2Units
Two family converted from one family · 1,800 sf lot · 0.88 FAR built · Flood zone X
Locations of Work
ArchitectureMechanical
Roof1p · 1 filing · 20 docs
Floor 21p · 1 filing · 20 docs
Floor 1
Cellar3p · 1 filing · 20 docs
1 job · most recent 06/10/2025
General Wiring
FiledStatusContractorScope
06/10/2025CompletePROJECT ONE ELECTRIC INCGeneral Wiring
Building Lifecycle
All (44)Filed (5)Permit Issued (2)Signed Off (2)Inspection (5)Special Inspection (30)
06/16/2025
Signed off — Alteration
Proposed Plumbing works in conjunction with DOB NOW job#Q01128587. As per plan, no change of use, egress or occupancy.
Q01128587-I1
06/16/2025
Signed off — Alteration
Proposed Plumbing works in conjunction with DOB NOW job#Q01128587. As per plan, no change of use, egress or occupancy.
Q01128587-S1
06/10/2025
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
06/04/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
05/21/2025
Filed — Alteration
Proposed Plumbing works in conjunction with DOB NOW job#Q01128587. As per plan, no change of use, egress or occupancy.
Q01128587-P4
05/21/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIUCHENG LI
05/21/2025
Special inspection requirement — High Temperature Hot Water Piping (Welding)
XIUCHENG LI
05/21/2025
Special inspection requirement — Seismic Resistance of Plumbing, Mechanical, Fuel Gas, and Electrical Components
XIUCHENG LI
05/21/2025
Special inspection requirement — High-Pressure Fuel-Gas Piping (Welding)
XIUCHENG LI
05/21/2025
Special inspection requirement — HVAC-R and service water heating equipment
XIUCHENG LI
05/21/2025
Special inspection requirement — HVAC-R and service water heating system controls
XIUCHENG LI
05/21/2025
Special inspection requirement — Permanent certificate
XIUCHENG LI
05/21/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
XIUCHENG LI
05/21/2025
Special inspection requirement — Maintenance information
XIUCHENG LI
05/03/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIUCHENG LI
05/03/2025
Special inspection requirement — High Temperature Hot Water Piping (Welding)
XIUCHENG LI
05/03/2025
Special inspection requirement — High-Pressure Fuel-Gas Piping (Welding)
XIUCHENG LI
05/03/2025
Special inspection requirement — Seismic Resistance of Plumbing, Mechanical, Fuel Gas, and Electrical Components
XIUCHENG LI
05/03/2025
Special inspection requirement — HVAC-R and service water heating system controls
XIUCHENG LI
05/03/2025
Special inspection requirement — Permanent certificate
XIUCHENG LI
05/03/2025
Special inspection requirement — HVAC-R and service water heating equipment
XIUCHENG LI
05/03/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
XIUCHENG LI
05/03/2025
Special inspection requirement — Maintenance information
XIUCHENG LI
04/14/2025
Filed — Alteration
Proposed Plumbing works in conjunction with DOB NOW job#Q01128587. As per plan, no change of use, egress or occupancy.
Q01128587-P1
04/14/2025
Filed — Alteration
Proposed Plumbing works in conjunction with DOB NOW job#Q01128587. As per plan, no change of use, egress or occupancy.
Q01128587-P2
04/05/2025
Special inspection requirement — High-Pressure Fuel-Gas Piping (Welding)
XIUCHENG LI
04/05/2025
Special inspection requirement — Seismic Resistance of Plumbing, Mechanical, Fuel Gas, and Electrical Components
XIUCHENG LI
04/05/2025
Special inspection requirement — Maintenance information
XIUCHENG LI
04/05/2025
Special inspection requirement — Concrete - Cast-In-Place
XIUCHENG LI
04/05/2025
Special inspection requirement — Permanent certificate
XIUCHENG LI
04/05/2025
Special inspection requirement — HVAC-R and service water heating equipment
XIUCHENG LI
04/05/2025
Special inspection requirement — HVAC-R and service water heating system controls
XIUCHENG LI
04/05/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
XIUCHENG LI
04/05/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIUCHENG LI
04/05/2025
Special inspection requirement — Mechanical Systems
XIUCHENG LI
04/05/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
XIUCHENG LI
04/05/2025
Special inspection requirement — Final
XIUCHENG LI
12/06/2024
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
12/06/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
12/06/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
11/08/2024
Permit issued — Mechanical Systems
Q01128587-I1-GC-CX
11/07/2024
Permit issued — Plumbing
Q01128587-S1-PL
10/24/2024
Filed — Alteration
Proposed Plumbing works in conjunction with DOB NOW job#Q01128587. As per plan, no change of use, egress or occupancy.
Q01128587-I1
10/24/2024
Filed — Alteration
Proposed Plumbing works in conjunction with DOB NOW job#Q01128587. As per plan, no change of use, egress or occupancy.
Q01128587-S1
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
10/09/2024$960K—Private party → Private party$610/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
TRUTHFUL DESIGN505/21/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BAYSIDE ENGINEERING1003/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
NY PROCONSTRUCITON INCGeneral Contractor303/21/2026
XH&RC PLBG AND HTG INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SD TESTING & INSPECTION S7010505/21/2025
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offNY PROCONSTRUCITON INC11/08/2024
DOB NOWPlumbingSigned-offXH&RC PLBG AND HTG INC11/07/2024
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
06/10/2025Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
06/04/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
12/06/2024Certified Gas-Gas-Piping-RoughingCertifiedView ↗
12/06/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
12/06/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 43
DateRequirementInspectorRole
05/21/2025Fire-Resistant Penetrations and JointsXIUCHENG LIspecial
05/21/2025High Temperature Hot Water Piping (Welding)XIUCHENG LIspecial
05/21/2025Seismic Resistance of Plumbing, Mechanical, Fuel Gas, and Electrical ComponentsXIUCHENG LIspecial
05/21/2025High-Pressure Fuel-Gas Piping (Welding)XIUCHENG LIspecial
05/21/2025HVAC-R and service water heating equipmentXIUCHENG LIenergy_progress
05/21/2025HVAC-R and service water heating system controlsXIUCHENG LIenergy_progress
05/21/2025Permanent certificateXIUCHENG LIenergy_progress
05/21/2025HVAC-R and service water piping design and insulationXIUCHENG LIenergy_progress
05/21/2025Maintenance informationXIUCHENG LIenergy_progress
05/03/2025Fire-Resistant Penetrations and JointsXIUCHENG LIspecial
05/03/2025High Temperature Hot Water Piping (Welding)XIUCHENG LIspecial
05/03/2025High-Pressure Fuel-Gas Piping (Welding)XIUCHENG LIspecial
05/03/2025Seismic Resistance of Plumbing, Mechanical, Fuel Gas, and Electrical ComponentsXIUCHENG LIspecial
05/03/2025HVAC-R and service water heating system controlsXIUCHENG LIenergy_progress
05/03/2025Permanent certificateXIUCHENG LIenergy_progress
05/03/2025HVAC-R and service water heating equipmentXIUCHENG LIenergy_progress
05/03/2025HVAC-R and service water piping design and insulationXIUCHENG LIenergy_progress
05/03/2025Maintenance informationXIUCHENG LIenergy_progress
04/05/2025High-Pressure Fuel-Gas Piping (Welding)XIUCHENG LIspecial
04/05/2025Seismic Resistance of Plumbing, Mechanical, Fuel Gas, and Electrical ComponentsXIUCHENG LIspecial
04/05/2025Maintenance informationXIUCHENG LIenergy_progress
04/05/2025Concrete - Cast-In-PlaceXIUCHENG LIspecial
04/05/2025Permanent certificateXIUCHENG LIenergy_progress
04/05/2025HVAC-R and service water heating equipmentXIUCHENG LIenergy_progress
04/05/2025HVAC-R and service water heating system controlsXIUCHENG LIenergy_progress
Latest 25 of 43.
▾Documents — 29 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/20/2026Q01128587-P4Request digital key ↗
08/20/2026Q01128587-P2Request digital key ↗
08/20/2026Q01128587-P1Request digital key ↗
Showing 3 of 5 on file for this type
▸Zoning, Tax Lot & Property Records5
▸DOB NOWRestrictive Declaration/Easement 15
08/13/2026Q01128587-P4Open ↗
08/13/2026Q01128587-P2Open ↗
08/13/2026Q01128587-P1Open ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications14
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/20/2026Q01128587-P4Open ↗
08/20/2026Q01128587-P2Open ↗
08/20/2026Q01128587-P1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWProgress Inspector Seal & Signature5
08/28/2026Q01128587-P2Open ↗
08/28/2026Q01128587-P1Open ↗
08/28/2026Q01128587-P1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
08/28/2026Q01128587-P2Open ↗
08/28/2026Q01128587-P1Open ↗
08/24/2026Q01128587-S1Open ↗
Showing 3 of 4 on file for this type
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/20/2026Q01128587-P2Open ↗
08/20/2026Q01128587-P1Open ↗
08/20/2026Q01128587-S1Open ↗
Showing 3 of 5 on file for this type