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Two stories - detached, small or mid-size
146-38 HAWTHORN AVENUE
QUEENS · East Flushing · BIN 4117583
💬 Discuss this project
1920Year Built
2.5Stories
A1Building Class
R3XZoning
1,539 sfGross Floor Area
1Units
4 Open Violations 2 unresolved · 2 paperwork only ▸
Two stories - detached, small or mid-size · 4,000 sf lot · 0.38 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire ProtectionCivilGeneral
Permit Issued — active, not yet Signed-off
Floor 3Under Construction17p · 3 filings · 20 docs
Floor 2Under Construction16p · 3 filings · 20 docs
Floor 1Under Construction16p · 3 filings · 20 docs
CellarUnder Construction17p · 3 filings · 20 docs
Site & exterior1p · 1 filing · 2 docs
Filed — no permit issued2p · 1 filing · 2 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
169-05 NORTHERN BLVD 1ST403/22/2026
L&L CONSTRUCTION DEVELOP203/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
06/07/2017$1.1M—— → —$714/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ZHENG & ASSOCIATES LLC707/27/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
L&L CONSTRUCTION DEVELOPGeneral Contractor704/09/2026
EXPERT FIRE SPRINKLER,LLCFire Protection107/08/2026
THOMAS F. CASH & SONS INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
ZHENG & ASSOCIATES LLC7330507/27/2026
TRIANGLE INSPECTION & TES7495103/21/2025
Building Lifecycle
All (110)Filed (7)Permit Issued (7)Violation (7)Inspection (11)Objection (48)Special Inspection (30)
08/22/2026
Objection resolved — Resolved
08/21/2026
Objection raised — Other
07/27/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
ENLARGEMENT OF EXISTING TWO FAMILY DWELLING UNITS. OBTAIN NEW C OF O.
Q01192680-P4
04/02/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Jinfar Liu
04/02/2026
Special inspection requirement — Structural Steel - Details
Jinfar Liu
04/02/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
Jinfar Liu
04/02/2026
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
Rajasekhar Sakhamuri
04/02/2026
Special inspection requirement — Structural Steel - High Strength Bolting
Jinfar Liu
04/02/2026
Special inspection requirement — Mechanical Systems
Jinfar Liu
04/02/2026
Special inspection requirement — Masonry
Jinfar Liu
04/02/2026
Special inspection requirement — Wood – Metal-Plate-Connected Trusses
Jinfar Liu
04/02/2026
Special inspection requirement — Concrete - Cast-In-Place
Jinfar Liu
04/02/2026
Special inspection requirement — Footing and Foundation
Jinfar Liu
04/02/2026
Special inspection requirement — Fire-Resistance Rated Construction
Jinfar Liu
04/02/2026
Special inspection requirement — Energy Code Compliance Inspections
Jinfar Liu
04/02/2026
Special inspection requirement — Final
Jinfar Liu
04/02/2026
Special inspection requirement — Maintenance information
Jinfar Liu
04/02/2026
Special inspection requirement — HVAC-R and service water heating system controls
Jinfar Liu
04/02/2026
Special inspection requirement — HVAC-R and service water heating equipment
Jinfar Liu
04/02/2026
Special inspection requirement — Interior lighting power
Jinfar Liu
04/02/2026
Special inspection requirement — Protection of exposed foundation insulation
Jinfar Liu
04/02/2026
Special inspection requirement — Insulation placement and R values
Jinfar Liu
04/02/2026
Special inspection requirement — Air barrier - visual inspection
Jinfar Liu
04/02/2026
Special inspection requirement — Permanent certificate
Jinfar Liu
04/02/2026
Special inspection requirement — Fenestration air leakage
Jinfar Liu
04/02/2026
Special inspection requirement — Ventilation and air distribution system
Jinfar Liu
04/02/2026
Special inspection requirement — Metering
Jinfar Liu
04/02/2026
Special inspection requirement — Electric vehicle service equipment requirements
Jinfar Liu
04/02/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
Jinfar Liu
04/02/2026
Special inspection requirement — Fenestration areas
Jinfar Liu
04/02/2026
Special inspection requirement — Air barrier — testing
Jinfar Liu
04/02/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Jinfar Liu
04/02/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
Jinfar Liu
03/19/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
ENLARGEMENT OF EXISTING TWO FAMILY DWELLING UNITS. OBTAIN NEW C OF O.
Q01192680-P1
03/05/2026
Violation issued (ECB, open)
Construction
03/05/2026
Violation issued (ECB, closed)
Cranes and Derricks
03/05/2026
Violation issued (ECB, open)
Unknown
03/05/2026
Violation issued (ECB, open)
Construction
02/25/2026
Violation issued (ECB, closed)
Construction
02/25/2026
Violation issued (ECB, open)
Unknown
01/23/2026
Permit issued — Sprinklers
Q01192757-I1-EW-SP
12/31/2025
Inspection — Certified StandPipe - SD - Alarm Sys 64/09 - Finish
Certified
View inspection ↗
12/31/2025
Inspection — Certified StandPipe - SD - Hydrostatic 63/09 Test (100 Foot Increments)
Certified
View inspection ↗
12/18/2025
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
11/25/2025
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
11/25/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
11/21/2025
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
11/20/2025
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
11/18/2025
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
11/03/2025
Permit issued — Plumbing
Q01192748-I1-PL
08/21/2025
Objection resolved — Addressed
08/21/2025
Objection resolved — Addressed
08/20/2025
Permit issued — Mechanical Systems
Q01192680-I1-ST
08/20/2025
Permit issued — Earth Work
Q01192680-I1-FO-EA
08/19/2025
Permit issued — General Construction
Q01192680-I1-MS
08/19/2025
Permit issued — Structural
Q01192680-I1-GC
07/29/2025
Permit issued — Construction Fence
Q01192735-I1-FN
07/25/2025
Objection resolved — Addressed
07/16/2025
Inspection — Certified StandPipe - SD - Alarm Sys 64/09 - Finish
Certified
View inspection ↗
07/16/2025
Inspection — Certified StandPipe - SD - Hydrostatic 63/09 Test (Initial 75 Feet)
Certified
View inspection ↗
Latest 60 of 110 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSprinklersSigned-offEXPERT FIRE SPRINKLER,LLC01/23/2026
DOB NOWPlumbingPermit IssuedTHOMAS F. CASH & SONS INC11/03/2025
DOB NOWMechanical SystemsPermit IssuedL&L CONSTRUCTION DEVELOP08/20/2025
DOB NOWEarth WorkPermit IssuedL&L CONSTRUCTION DEVELOP08/20/2025
DOB NOWGeneral ConstructionPermit IssuedL&L CONSTRUCTION DEVELOP08/19/2025
DOB NOWStructuralPermit IssuedL&L CONSTRUCTION DEVELOP08/19/2025
DOB NOWConstruction FencePermit IssuedL&L CONSTRUCTION DEVELOP07/29/2025
BISPLISSUEDDNA PLUMBING CONTR. INC04/21/2017
BISPLISSUEDDNA PLUMBING CONTR. INC12/21/2000
BISOTISSUEDMNE CONSTRUCTION INC10/02/2000
1 project · most recent 07/27/2026
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
07/27/2026Permit IssuedL&L CONSTRUCTION DEVELOPHeating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Daikin OUTDOOR UNIT: RMXS48LVJU INDOOR UNITS: CTXS09WVJU9; FTXS12WVJU9; FTXS18WVJU9. 54,000 BTU · Vrf Outdoor ×15
Ventilation
Broan ×6
1 project · most recent 04/04/2025
FiledStatusContractorScope
04/04/2025Signed-offEXPERT FIRE SPRINKLER,LLC33 heads
1 project · most recent 03/21/2025
Gas Storm Water/Sanitary
FiledStatusContractorScope
03/21/2025Permit IssuedTHOMAS F. CASH & SONS INCGas, Storm, Water/Sanitary
1 project · most recent 07/24/2026
General Wiring
FiledStatusContractorScope
07/24/2026Permit IssuedKJK ELECTRIC INCGeneral Wiring
1 project · most recent 07/27/2026
Steel Concrete Masonry
FiledStatusContractorScope
07/27/2026Permit IssuedL&L CONSTRUCTION DEVELOPSteel, Concrete, Masonry
1 project · most recent 03/20/2025
Fence
FiledStatusContractorScope
03/20/2025Permit IssuedL&L CONSTRUCTION DEVELOPFence
1 project · most recent 07/27/2026
Earthwork
FiledStatusContractorScope
07/27/2026Permit IssuedL&L CONSTRUCTION DEVELOPEarthwork
▾Field Inspections (DOB CAP) — 11
DateTypeResultReport
12/31/2025Certified StandPipe - SD - Alarm Sys 64/09 - FinishCertifiedView ↗
12/31/2025Certified StandPipe - SD - Hydrostatic 63/09 Test (100 Foot Increments)CertifiedView ↗
12/18/2025Fail-Final PL - Up to 3 Requested FloorsFailView ↗
11/25/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
11/25/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
11/21/2025Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
11/20/2025Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
11/18/2025Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
07/16/2025Certified StandPipe - SD - Alarm Sys 64/09 - FinishCertifiedView ↗
07/16/2025Certified StandPipe - SD - Hydrostatic 63/09 Test (Initial 75 Feet)CertifiedView ↗
07/15/2025Certified StandPipe-SD-Fixtures-Finish-SDCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 66
DateRequirementInspectorRole
04/02/2026Structural Stability – Alterations of existing buildingsJinfar Liuspecial
04/02/2026Fire-Resistant Penetrations and JointsJinfar Liuspecial
04/02/2026Structural Steel - DetailsJinfar Liuspecial
04/02/2026Excavations - Sheeting, Shoring, and BracingJinfar Liuspecial
04/02/2026Subsurface Investigations (Borings/Test Pits)Rajasekhar Sakhamurispecial
04/02/2026Structural Steel - High Strength BoltingJinfar Liuspecial
04/02/2026Mechanical SystemsJinfar Liuspecial
04/02/2026MasonryJinfar Liuspecial
04/02/2026Wood – Metal-Plate-Connected TrussesJinfar Liuspecial
04/02/2026Concrete - Cast-In-PlaceJinfar Liuspecial
04/02/2026Footing and FoundationJinfar Liuprogress
04/02/2026Fire-Resistance Rated ConstructionJinfar Liuprogress
04/02/2026Energy Code Compliance InspectionsJinfar Liuprogress
04/02/2026FinalJinfar Liuprogress
04/02/2026Maintenance informationJinfar Liuenergy_progress
04/02/2026HVAC-R and service water heating system controlsJinfar Liuenergy_progress
04/02/2026HVAC-R and service water heating equipmentJinfar Liuenergy_progress
04/02/2026Interior lighting powerJinfar Liuenergy_progress
04/02/2026Protection of exposed foundation insulationJinfar Liuenergy_progress
04/02/2026Insulation placement and R valuesJinfar Liuenergy_progress
04/02/2026Air barrier - visual inspectionJinfar Liuenergy_progress
04/02/2026Permanent certificateJinfar Liuenergy_progress
04/02/2026Fenestration air leakageJinfar Liuenergy_progress
04/02/2026Ventilation and air distribution systemJinfar Liuenergy_progress
04/02/2026MeteringJinfar Liuenergy_progress
Latest 25 of 66.
▾Documents — 76 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/20/2026Q01192735-I1Request digital key ↗
08/20/2026Q01192748-I1Request digital key ↗
08/20/2026Q01205163-I1Request digital key ↗
Showing 3 of 7 on file for this type
▸Applications & Permits5
▸BISPLAN / WORK APPROVAL APPLICATION3
03/31/2025440822601Open ↗
11/15/2017401130584Open ↗
04/21/2017401130584Open ↗
▸BISWORK PERMIT APPLICATION1
04/25/2017401130584Open ↗
▸BISBPP-5 - Authorization to the Department of Transportation1
03/31/2025440822601Open ↗
▸Zoning, Tax Lot & Property Records8
▸DOB NOWZD1: DOB Zoning Diagram3
08/13/2026Q01192680-I1Open ↗
08/13/2026Q01192680-P4Open ↗
08/13/2026Q01192680-P1Open ↗
▸DOB NOWZoning Exhibit form (1-5)3
08/13/2026Q01192680-P4Open ↗
08/13/2026Q01192680-I1Open ↗
08/13/2026Q01192680-P1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp2
08/13/2026Q01192680-I1Open ↗
08/13/2026Q01192680-P1Open ↗
▸Seals & Professional Certifications23
▸DOB NOWSpecial Inspector Seal & Signature9
09/19/2026Q01192748-I1Open ↗
09/19/2026Q01192748-I1Open ↗
09/19/2026Q01192748-I1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/20/2026Q01192735-I1Open ↗
08/20/2026Q01192748-I1Open ↗
08/20/2026Q01205163-I1Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWProgress Inspector Seal & Signature5
09/19/2026Q01192748-I1Open ↗
09/02/2026Q01192680-I1Open ↗
09/02/2026Q01192680-I1Open ↗
Showing 3 of 5 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
03/31/2025440822601Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
03/31/2025440822601Open ↗
▸Trade Schedules & Equipment4
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)3
08/13/2026Q01192680-P1Open ↗
08/13/2026Q01192680-P4Open ↗
08/13/2026Q01192680-I1Open ↗
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
11/15/2017401130584Open ↗
▸Safety & Tenant Protection2
▸BISSTREET TREE CHECKLIST1
03/31/2025440822601Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026Q01192680-I1Open ↗
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/20/2026Q01192748-I1Open ↗
08/20/2026Q01192757-I1Open ↗
08/17/2026Q01192680-P4Open ↗
Showing 3 of 5 on file for this type
▸Inspections & Test Reports6
▸DOB NOWSOIL REPORT4
08/13/2026Q01192680-P1Open ↗
08/13/2026Q01192680-P4Open ↗
08/13/2026Q01192680-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWTR4 Test Report and Plot Diagram2
08/13/2026Q01192680-I1Open ↗
08/13/2026Q01192748-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
02/06/2018401130584Open ↗
▸Filing & Intake Forms3
▸BISBOROUGH INTAKE FORM1
02/06/2018401130584Open ↗
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
03/31/2025440822601Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
03/31/2025440822601Open ↗
▸Other Documents12
▸DOB NOWSite Survey: Initial3
08/13/2026Q01192680-P4Open ↗
08/13/2026Q01192680-P1Open ↗
08/13/2026Q01192680-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
08/13/2026Q01192680-P1Open ↗
08/13/2026Q01192680-I1Open ↗
08/13/2026Q01192680-P4Open ↗
▸DOB NOWProperty Ownership Certification3
08/17/2026Q01192680-P4Open ↗
08/17/2026Q01192680-P1Open ↗
08/17/2026Q01192680-I1Open ↗
▸BISBPP - SUPPORTING DOCUMENTATION2
03/31/2025440822601Open ↗
03/31/2025440822601Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026Q01192680-I1Open ↗