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Two family brick
121-10 23 AVENUE
QUEENS · College Point · BIN 4099780
💬 Discuss this project
2025Year Built
—Stories
B1Building Class
R4AZoning
4,992 sfGross Floor Area
2Units
0 Open Violations
Two family brick · 5,000 sf lot · 1 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalFire ProtectionCivilGeneral
Permit Issued — active, not yet Signed-off
Floor 3Under Construction33p · 1 filing · 20 docs
Floor 2Under Construction32p · 1 filing · 20 docs
Floor 1Under Construction32p · 1 filing · 20 docs
CellarUnder Construction37p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
07/26/2021$800K—— → —— not available
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
EDWARD LUI ARCHITECT PLLC907/28/2026
TIMES BUILDINGS ENGINEERING SERVICE108/15/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
MEIYUN CHEN203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
THC CONSTRUCTION INCGeneral Contractor2407/08/2026
DYNASTY CONTRACTING LLCGeneral Contractor603/21/2026
STREAM ROCK CONTSRUCTION*General Contractor609/09/2026
L2 CONSTRUCTION INCGeneral Contractor203/21/2026
WATSON'S PLBG, HTG, & BDGPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
G ENGINEERING PC7778607/28/2026
TRIANGLE INSPECTION & TES7495207/30/2025
Building Lifecycle
All (105)Filed (11)Permit Issued (18)Signed Off (2)Violation (2)Inspection (10)Objection (32)Special Inspection (30)
09/08/2026
Permit issued — Curb Cut
Q00759622-S1-CC
07/28/2026
Filed — New Building
Temporary construction fence filed in conjunction with NB# Q00759622-i1 detached 2-family house and NB# Q00914930-i1 detached accessory garage.
Q00759622-P5
05/30/2026
Special inspection requirement — HVAC-R and service water heating system controls
XIONGCAI GU
05/30/2026
Special inspection requirement — Air barrier — testing
XIONGCAI GU
05/30/2026
Special inspection requirement — Footing and Foundation
XIONGCAI GU
05/30/2026
Special inspection requirement — Maintenance information
XIONGCAI GU
05/30/2026
Special inspection requirement — Duct leakage testing, insulation and design
XIONGCAI GU
05/30/2026
Special inspection requirement — Metering
XIONGCAI GU
05/30/2026
Special inspection requirement — Structural Steel - High Strength Bolting
XIONGCAI GU
05/30/2026
Special inspection requirement — Final
XIONGCAI GU
05/30/2026
Special inspection requirement — Air barrier - visual inspection
XIONGCAI GU
05/30/2026
Special inspection requirement — Fenestration areas
XIONGCAI GU
05/30/2026
Special inspection requirement — Electric vehicle service equipment requirements
XIONGCAI GU
05/30/2026
Special inspection requirement — Insulation placement and R values
XIONGCAI GU
05/30/2026
Special inspection requirement — Protection of exposed foundation insulation
XIONGCAI GU
05/30/2026
Special inspection requirement — Permanent certificate
XIONGCAI GU
05/30/2026
Special inspection requirement — Mechanical Systems
XIONGCAI GU
05/30/2026
Special inspection requirement — Structural Steel - Details
XIONGCAI GU
05/30/2026
Special inspection requirement — Structural Steel - Welding
XIONGCAI GU
05/30/2026
Special inspection requirement — Subgrade Inspections
XIONGCAI GU
05/30/2026
Special inspection requirement — Ventilation and air distribution system
XIONGCAI GU
05/30/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
XIONGCAI GU
05/30/2026
Special inspection requirement — Fenestration air leakage
XIONGCAI GU
05/30/2026
Special inspection requirement — Interior lighting power
XIONGCAI GU
05/30/2026
Special inspection requirement — HVAC-R and service water heating equipment
XIONGCAI GU
05/30/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
XIONGCAI GU
05/30/2026
Special inspection requirement — Concrete - Cast-In-Place
XIONGCAI GU
05/30/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
XIONGCAI GU
05/30/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
XIONGCAI GU
05/30/2026
Special inspection requirement — Heating Systems
XIONGCAI GU
05/30/2026
Special inspection requirement — Masonry
XIONGCAI GU
03/06/2026
Permit issued — General Construction
Q00759622-I1-MS
03/05/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
03/02/2026
Permit issued — General Construction
Q00759622-I1-GC
02/17/2026
Permit issued — Construction Fence
Q00759622-S3-FN
11/10/2025
Permit issued — Foundation
Q00759622-I1-MS
10/17/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
10/17/2025
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
10/17/2025
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
10/17/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
10/17/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
09/09/2025
Permit issued — Construction Fence
Q00759622-S3-FN
08/12/2025
Special inspection requirement — Soil Percolation Test - Private On-Site Storm Water Drainage Disposal Systems, and Detention Facilities
Rajasekhar Sakhamuri
08/06/2025
Objection resolved — Addressed
08/04/2025
Objection raised — Admin
07/30/2025
Filed — New Building
Temporary construction fence filed in conjunction with NB# Q00759622-i1 detached 2-family house and NB# Q00914930-i1 detached accessory garage.
Q00759622-P4
07/22/2025
Objection resolved — Addressed
06/27/2025
Objection raised — Energy
06/19/2025
Filed — New Building
Temporary construction fence filed in conjunction with NB# Q00759622-i1 detached 2-family house and NB# Q00914930-i1 detached accessory garage.
Q00759622-P3
05/28/2025
Signed off — Alteration
FILE TEMPORARY CONSTRUCTION FENCE.
Q00898507-I1
05/16/2025
Permit issued — Foundation
Q00759622-I1-GC
05/14/2025
Permit issued — Construction Fence
Q00898507-I1-FN
04/25/2025
Inspection — Certified StandPipe-SD-Piping-Hydrostatic Test
Certified
View inspection ↗
02/13/2025
Violation issued (ECB, closed)
Construction
02/13/2025
Violation issued (ECB, closed)
Construction
12/09/2024
Permit issued — Sprinklers
Q00759622-S2-PL
10/12/2024
Filed — New Building
Temporary construction fence filed in conjunction with NB# Q00759622-i1 detached 2-family house and NB# Q00914930-i1 detached accessory garage.
Q00759622-P2
09/23/2024
Permit issued — Construction Fence
Q00898507-I1-FN
09/12/2024
Permit issued — Construction Fence
Q00759622-S3-FN
08/13/2024
Permit issued — Earth Work
Q00759622-I1-ST
Latest 60 of 105 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWCurb CutPermit IssuedSTREAM ROCK CONTSRUCTION*09/08/2026
DOB NOWGeneral ConstructionPermit IssuedSTREAM ROCK CONTSRUCTION*03/06/2026
DOB NOWGeneral ConstructionPermit IssuedSTREAM ROCK CONTSRUCTION*03/02/2026
DOB NOWConstruction FencePermit IssuedSTREAM ROCK CONTSRUCTION*02/17/2026
DOB NOWFoundationPermit IssuedTHC CONSTRUCTION INC11/10/2025
DOB NOWConstruction FencePermit IssuedTHC CONSTRUCTION INC09/09/2025
DOB NOWFoundationPermit IssuedTHC CONSTRUCTION INC05/16/2025
DOB NOWConstruction FenceSigned-offTHC CONSTRUCTION INC05/14/2025
DOB NOWSprinklersPermit IssuedWATSON'S PLBG, HTG, & BDG12/09/2024
DOB NOWConstruction FenceSigned-offTHC CONSTRUCTION INC09/23/2024
DOB NOWConstruction FencePermit IssuedTHC CONSTRUCTION INC09/12/2024
DOB NOWEarth WorkPermit IssuedTHC CONSTRUCTION INC08/13/2024
DOB NOWFoundationPermit IssuedTHC CONSTRUCTION INC08/13/2024
DOB NOWMechanical SystemsPermit IssuedTHC CONSTRUCTION INC08/13/2024
DOB NOWMechanical SystemsPermit IssuedTHC CONSTRUCTION INC08/13/2024
DOB NOWConstruction FenceSigned-offL2 CONSTRUCTION INC03/15/2024
DOB NOWFull DemolitionSigned-offDYNASTY CONTRACTING LLC12/04/2023
DOB NOWConstruction FenceSigned-offDYNASTY CONTRACTING LLC08/17/2023
1 project · most recent 07/28/2026
Ventilation Systems
FiledStatusContractorScope
07/28/2026Permit IssuedSTREAM ROCK CONTSRUCTION*Ventilation Systems
1 project · most recent 07/28/2026
Sprinkler System
FiledStatusContractorScope
07/28/2026——Sprinkler System
1 project · most recent 07/28/2026
Gas Storm Water/Sanitary
FiledStatusContractorScope
07/28/2026Permit IssuedWATSON'S PLBG, HTG, & BDGGas, Storm, Water/Sanitary
1 project · most recent 04/08/2025
General Wiring
FiledStatusContractorScope
04/08/2025Permit IssuedAL-LECTRIC ELECT'L CONTRGGeneral Wiring
1 project · most recent 07/28/2026
Steel Concrete Masonry Wood
FiledStatusContractorScope
07/28/2026Permit IssuedSTREAM ROCK CONTSRUCTION*Steel, Concrete, Masonry, Wood
1 project · most recent 07/28/2026
Fence
FiledStatusContractorScope
07/28/2026Permit IssuedSTREAM ROCK CONTSRUCTION*Fence
▾Field Inspections (DOB CAP) — 10
DateTypeResultReport
03/05/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
10/17/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
10/17/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
10/17/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
10/17/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
10/17/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
04/25/2025Certified StandPipe-SD-Piping-Hydrostatic TestCertifiedView ↗
09/16/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
08/22/2022Pass-Final PL - Up to 3 Requested FloorsPassView ↗
05/07/2022Pass-Final PL - Up to 3 Requested FloorsPassView ↗
▾Special Inspection Requirements (DOB NOW) — 107
DateRequirementInspectorRole
05/30/2026Air barrier — testing XIONGCAI GUenergy_progress
05/30/2026Heating SystemsXIONGCAI GUspecial
05/30/2026MasonryXIONGCAI GUspecial
05/30/2026Mechanical SystemsXIONGCAI GUspecial
05/30/2026Structural Steel - DetailsXIONGCAI GUspecial
05/30/2026Structural Steel - High Strength BoltingXIONGCAI GUspecial
05/30/2026Structural Steel - WeldingXIONGCAI GUspecial
05/30/2026Subgrade InspectionsXIONGCAI GUspecial
05/30/2026FinalXIONGCAI GUprogress
05/30/2026Footing and FoundationXIONGCAI GUprogress
05/30/2026Ventilation and air distribution systemXIONGCAI GUenergy_progress
05/30/2026HVAC-R and service water piping design and insulationXIONGCAI GUenergy_progress
05/30/2026Air barrier - visual inspectionXIONGCAI GUenergy_progress
05/30/2026Fenestration air leakageXIONGCAI GUenergy_progress
05/30/2026Interior lighting powerXIONGCAI GUenergy_progress
05/30/2026Fenestration areasXIONGCAI GUenergy_progress
05/30/2026Maintenance informationXIONGCAI GUenergy_progress
05/30/2026HVAC-R and service water heating system controlsXIONGCAI GUenergy_progress
05/30/2026HVAC-R and service water heating equipmentXIONGCAI GUenergy_progress
05/30/2026Fenestration and door U-factor and product ratingsXIONGCAI GUenergy_progress
05/30/2026Electric vehicle service equipment requirementsXIONGCAI GUenergy_progress
05/30/2026Insulation placement and R valuesXIONGCAI GUenergy_progress
05/30/2026Duct leakage testing, insulation and designXIONGCAI GUenergy_progress
05/30/2026Protection of exposed foundation insulationXIONGCAI GUenergy_progress
05/30/2026Permanent certificateXIONGCAI GUenergy_progress
Latest 25 of 107.
▾Documents — 161 on file (BIS + DOB NOW)
▸Plans & Drawings11
▸DOB NOWPlans/Sketch11
08/24/2026Q00885570-I1Request digital key ↗
08/24/2026Q00898507-I1Request digital key ↗
08/19/2026Q00759622-I1Request digital key ↗
Showing 3 of 11 on file for this type
▸Applications & Permits4
▸BISPLAN / WORK APPROVAL APPLICATION3
01/31/2025440820426Open ↗
09/30/2021420955960Open ↗
04/12/2014420955960Open ↗
▸BISBPP-5 - Authorization to the Department of Transportation1
01/31/2025440820426Open ↗
▸Zoning, Tax Lot & Property Records5
▸DOB NOWZD1: DOB Zoning Diagram5
08/19/2026Q00759622-P5Open ↗
08/13/2026Q00759622-P1Open ↗
08/13/2026Q00759622-P3Open ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications94
▸DOB NOWProgress Inspector Seal & Signature51
09/23/2026Q00759622-S2Open ↗
09/23/2026Q00759622-S2Open ↗
09/23/2026Q00759622-S2Open ↗
Showing 3 of 51 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature30
09/23/2026Q00759622-S2Open ↗
09/23/2026Q00759622-S2Open ↗
09/23/2026Q00759622-S2Open ↗
Showing 3 of 30 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature10
08/19/2026Q00759622-I1Open ↗
08/19/2026Q00759622-S3Open ↗
08/19/2026Q00759622-P2Open ↗
Showing 3 of 10 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
01/31/2025440820426Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
01/31/2025440820426Open ↗
▸DOB NOWCONTRACTOR SEAL & SIGNATURE1
08/13/2026Q00885570-I1Open ↗
▸Trade Schedules & Equipment8
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)4
08/13/2026Q00759622-P1Open ↗
08/13/2026Q00759622-I1Open ↗
08/13/2026Q00759622-P2Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWWater Cut-Off1
08/13/2026Q00885570-I1Open ↗
▸DOB NOWGas Cut-Off1
08/13/2026Q00885570-I1Open ↗
▸DOB NOWSewer Cut-Off1
08/13/2026Q00885570-I1Open ↗
▸DOB NOWElectric Cut-Off1
08/13/2026Q00885570-I1Open ↗
▸Safety & Tenant Protection9
▸DOB NOWStreet Tree Checklist5
08/19/2026Q00759622-P5Open ↗
08/13/2026Q00759622-I1Open ↗
08/13/2026Q00759622-P3Open ↗
Showing 3 of 5 on file for this type
▸BISSTREET TREES: RECEIPT OF STREET TREES SITE PLAN1
02/07/2025440820426Open ↗
▸BISBPP: STREET TREES SITE PLAN1
01/31/2025440820426Open ↗
▸BISSTREET TREE CHECKLIST1
02/07/2025440820426Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026Q00759622-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/24/2026Q00885570-I1Open ↗
▸DOB NOWRodent Control1
08/13/2026Q00885570-I1Open ↗
▸Inspections & Test Reports3
▸DOB NOWSOIL REPORT2
08/13/2026Q00759622-S2Open ↗
08/13/2026Q00759622-P4Open ↗
▸DOB NOWTR4 Test Report and Plot Diagram1
08/13/2026Q00759622-S2Open ↗
▸Approvals, Objections & Sign-offs1
▸BISADMINISTRATIVE OBJECTIONS1
04/12/2014420955960Open ↗
▸Filing & Intake Forms3
▸BISEFILING JOB APPLICATION COVER SHEET1
01/31/2025440820426Open ↗
▸BISBOROUGH INTAKE FORM1
09/30/2021420955960Open ↗
▸BISEFILING COVER SHEET1
04/12/2014420955960Open ↗
▸Other Documents21
▸DOB NOWProperty Ownership Certification6
08/24/2026Q00885570-I1Open ↗
08/19/2026Q00759622-P2Open ↗
08/19/2026Q00759622-P3Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSite Survey: Initial5
08/19/2026Q00759622-P5Open ↗
08/13/2026Q00759622-P2Open ↗
08/13/2026Q00759622-P1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone5
08/19/2026Q00759622-P5Open ↗
08/13/2026Q00759622-I1Open ↗
08/13/2026Q00759622-P1Open ↗
Showing 3 of 5 on file for this type
▸BISBPP - SUPPORTING DOCUMENTATION1
01/31/2025440820426Open ↗
▸DOB NOWStructure Photographs1
08/13/2026Q00885570-I1Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026Q00759622-I1Open ↗
▸DOB NOWCommunity Board Notification1
08/13/2026Q00885570-I1Open ↗
▸DOB NOWFull Demo: 10-Day Notice1
08/13/2026Q00885570-I1Open ↗