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Two family frame
146-11 21 AVENUE
QUEENS · Whitestone-Beechhurst · BIN 4104908
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2024Year Built
2Stories
B2Building Class
R3AZoning
2,741 sfGross Floor Area
2Units
0 Open Violations
Two family frame · 4,200 sf lot · 0.65 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalPlumbingFire ProtectionCivil
Permit Issued — active, not yet Signed-off
Floor 2Under Construction17p · 3 filings · 20 docs
Floor 1Under Construction17p · 3 filings · 20 docs
CellarUnder Construction19p · 3 filings · 20 docs
Site & exteriorUnder Construction6p · 2 filings · 12 docs
Filed — no permit issued14p · 1 filing · 10 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
SAFETY PRO CONSTRUCTION1003/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
01/21/2021$890K—Private party → Private party— not available
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ZHENG & ASSOCIATES LLC906/24/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
SAFETY PRO CONSTRUCTIONGeneral Contractor907/10/2026
JIN SUN CONSTRUCTION INCGeneral Contractor303/21/2026
JJK BUILDING CONSULTINGGeneral Contractor203/21/2026
EXPERT FIRE SPRINKLER,LLCFire Protection208/01/2026
DPH PLUMBING & HTG CORPPlumbing107/08/2026
HP SERVICES INCPlumbing107/17/2026
TRI STATE PLBG & HTG INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
ZHENG & ASSOCIATES LLC7330706/24/2026
TRIANGLE INSPECTION & TES7495202/19/2025
Building Lifecycle
All (92)Filed (9)Permit Issued (12)Signed Off (1)Violation (11)Inspection (16)Objection (13)Special Inspection (30)
08/13/2026
Objection raised — Energy
08/12/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
08/11/2026
Permit issued — Sprinklers
Q01079578-I1-EW-SP
07/16/2026
Permit issued — Plumbing
Q00872905-I1-PL
07/09/2026
Permit issued — Foundation
Q00931519-I1-GC-CX
06/24/2026
Filed — New Building
NEW TWO FAMILY DWELLING UNITS.
Q00931519-P1
05/12/2026
Special inspection requirement — Ventilation and air distribution system
Jinfar Liu
05/12/2026
Special inspection requirement — Air barrier - visual inspection
Jinfar Liu
05/12/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
Jinfar Liu
05/12/2026
Special inspection requirement — Duct leakage testing, insulation and design
Jinfar Liu
05/12/2026
Special inspection requirement — Insulation placement and R values
Jinfar Liu
05/12/2026
Special inspection requirement — HVAC-R and service water heating equipment
Jinfar Liu
05/12/2026
Special inspection requirement — Fire-Resistance Rated Construction
Jinfar Liu
05/12/2026
Special inspection requirement — Final
Jinfar Liu
05/12/2026
Special inspection requirement — Protection of exposed foundation insulation
Jinfar Liu
05/12/2026
Special inspection requirement — Permanent certificate
Jinfar Liu
05/12/2026
Special inspection requirement — Air barrier — testing
Jinfar Liu
05/12/2026
Special inspection requirement — Lighting controls
Jinfar Liu
05/12/2026
Special inspection requirement — Fenestration areas
Jinfar Liu
05/12/2026
Special inspection requirement — Interior lighting power
Jinfar Liu
05/12/2026
Special inspection requirement — Structural Steel - High Strength Bolting
Jinfar Liu
05/12/2026
Special inspection requirement — Concrete - Cast-In-Place
Jinfar Liu
05/12/2026
Special inspection requirement — Wood – Metal-Plate-Connected Trusses
Jinfar Liu
05/12/2026
Special inspection requirement — Energy Code Compliance Inspections
Jinfar Liu
05/12/2026
Special inspection requirement — Footing and Foundation
Jinfar Liu
05/12/2026
Special inspection requirement — Fenestration air leakage
Jinfar Liu
05/12/2026
Special inspection requirement — HVAC-R and service water heating system controls
Jinfar Liu
05/12/2026
Special inspection requirement — Structural Wood Frame
Jinfar Liu
05/12/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
Jinfar Liu
05/12/2026
Special inspection requirement — Structural Steel - Details
Jinfar Liu
05/12/2026
Special inspection requirement — Concrete – Prestressed
Jinfar Liu
05/12/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Jinfar Liu
05/12/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Jinfar Liu
05/12/2026
Special inspection requirement — Mechanical Systems
Jinfar Liu
05/12/2026
Special inspection requirement — Heating Systems
Jinfar Liu
05/12/2026
Special inspection requirement — Electric vehicle service equipment requirements
Jinfar Liu
12/31/2025
Violation issued (ECB, closed)
Construction
11/21/2025
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
11/21/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
11/07/2025
Permit issued — Construction Fence
Q00872891-I1-FN
07/24/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
04/23/2025
Violation issued (ECB, closed)
Construction
04/23/2025
Violation issued (ECB, closed)
Construction
04/02/2025
Violation issued (ECB, closed)
Unknown
04/02/2025
Violation issued (ECB, closed)
Site Safety
04/02/2025
Violation issued (ECB, closed)
Construction
03/04/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
03/04/2025
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
03/04/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
03/04/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
02/19/2025
Filed — Alteration
FILE PLUMBING WOKR FOR NB JOB.
Q00872905-P1
02/10/2025
Inspection — Pass-Final House Connection
Pass
View inspection ↗
02/04/2025
Permit issued — Plumbing
Q00872905-S2-PL
01/22/2025
Permit issued — Sprinklers
Q01079578-I1-EW-SP
12/23/2024
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
12/23/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
11/25/2024
Violation issued (ECB, closed)
Construction
11/12/2024
Filed — Alteration
FILE PLUMBING WOKR FOR NB JOB.
Q00872905-S2
09/23/2024
Permit issued — Construction Fence
Q00872891-I1-FN
09/19/2024
Violation issued (ECB, closed)
Construction
Latest 60 of 92 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSprinklersPermit IssuedEXPERT FIRE SPRINKLER,LLC08/11/2026
DOB NOWPlumbingPermit IssuedHP SERVICES INC07/16/2026
DOB NOWFoundationPermit IssuedSAFETY PRO CONSTRUCTION07/09/2026
DOB NOWConstruction FencePermit IssuedSAFETY PRO CONSTRUCTION11/07/2025
DOB NOWPlumbingPermit IssuedDW PLUMBING INC02/04/2025
DOB NOWSprinklersPermit IssuedEXPERT FIRE SPRINKLER,LLC01/22/2025
DOB NOWConstruction FencePermit IssuedSAFETY PRO CONSTRUCTION09/23/2024
DOB NOWPlumbingPermit IssuedDPH PLUMBING & HTG CORP08/23/2024
DOB NOWFoundationPermit IssuedSAFETY PRO CONSTRUCTION06/14/2024
DOB NOWGeneral ConstructionPermit IssuedJIN L. LIN05/28/2024
DOB NOWFull DemolitionSigned-offJJK BUILDING CONSULTING04/19/2024
DOB NOWConstruction FencePermit IssuedSAFETY PRO CONSTRUCTION09/06/2023
1 project · most recent 06/24/2026
Air Conditioning Systems Heating Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
06/24/2026Permit IssuedSAFETY PRO CONSTRUCTIONAir Conditioning Systems, Heating Systems, Ventilation Systems
Cooling
Mitsubishi Electric MSY-GL18NA-U1 30,000 BTU · Split System ×4
Heating
Williamson GWA-105 105,000 BTU · Boiler ×2
Ventilation
Broan BROAN HRVH 100 100 CFM · Erv ×2
1 project · most recent 07/12/2024
FiledStatusContractorScope
07/12/2024Permit IssuedEXPERT FIRE SPRINKLER,LLC28 heads
1 project · most recent 02/19/2025
Gas Storm Water/Sanitary
FiledStatusContractorScope
02/19/2025Permit IssuedHP SERVICES INCGas, Storm, Water/Sanitary
1 project · most recent 07/08/2024
General Wiring
FiledStatusContractorScope
07/08/2024CompleteAL-LECTRIC ELECT'L CONTRGGeneral Wiring
1 project · most recent 06/24/2026
Steel Wood
FiledStatusContractorScope
06/24/2026Permit IssuedSAFETY PRO CONSTRUCTIONSteel, Wood
1 project · most recent 06/24/2026
Earthwork
FiledStatusContractorScope
06/24/2026Permit IssuedSAFETY PRO CONSTRUCTIONEarthwork
▾Field Inspections (DOB CAP) — 16
DateTypeResultReport
08/12/2026Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
11/21/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
11/21/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/24/2025Pass-Final CND-Occupancy InspectionPassView ↗
03/04/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
03/04/2025Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
03/04/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
03/04/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
02/10/2025Pass-Final House ConnectionPassView ↗
12/23/2024Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
12/23/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
03/28/2024Certified StandPipe - SD - Hydrostatic 63/09 Test (100 Foot Increments)CertifiedView ↗
12/18/2023Certified StandPipe - SD - Alarm Sys 64/09 - FinishCertifiedView ↗
12/18/2023Certified StandPipe - SD - Hydrostatic 63/09 Test (100 Foot Increments)CertifiedView ↗
10/10/2023Certified StandPipe - SD - Alarm Sys 64/09 - FinishCertifiedView ↗
10/10/2023Certified StandPipe - SD - Hydrostatic 63/09 Test (Initial 75 Feet)CertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 71
DateRequirementInspectorRole
05/12/2026Concrete - Cast-In-PlaceJinfar Liuspecial
05/12/2026MeteringJinfar Liuenergy_progress
05/12/2026Maintenance informationJinfar Liuenergy_progress
05/12/2026Electric vehicle service equipment requirementsJinfar Liuenergy_progress
05/12/2026Ventilation and air distribution systemJinfar Liuenergy_progress
05/12/2026Duct leakage testing, insulation and designJinfar Liuenergy_progress
05/12/2026Permanent certificateJinfar Liuenergy_progress
05/12/2026Protection of exposed foundation insulationJinfar Liuenergy_progress
05/12/2026Air barrier - visual inspectionJinfar Liuenergy_progress
05/12/2026HVAC-R and service water heating equipmentJinfar Liuenergy_progress
05/12/2026Interior lighting powerJinfar Liuenergy_progress
05/12/2026Fenestration areasJinfar Liuenergy_progress
05/12/2026Insulation placement and R valuesJinfar Liuenergy_progress
05/12/2026Lighting controlsJinfar Liuenergy_progress
05/12/2026HVAC-R and service water piping design and insulationJinfar Liuenergy_progress
05/12/2026Air barrier — testing Jinfar Liuenergy_progress
05/12/2026Fenestration and door U-factor and product ratingsJinfar Liuenergy_progress
05/12/2026Fenestration air leakageJinfar Liuenergy_progress
05/12/2026HVAC-R and service water heating system controlsJinfar Liuenergy_progress
05/12/2026Structural Wood FrameJinfar Liuprogress
05/12/2026Footing and FoundationJinfar Liuprogress
05/12/2026Fire-Resistance Rated ConstructionJinfar Liuprogress
05/12/2026FinalJinfar Liuprogress
05/12/2026Energy Code Compliance InspectionsJinfar Liuprogress
05/12/2026Wood – Metal-Plate-Connected TrussesJinfar Liuspecial
Latest 25 of 71.
▾Documents — 70 on file (BIS + DOB NOW)
▸Plans & Drawings8
▸DOB NOWPlans/Sketch8
08/24/2026Q00863662-I1Request digital key ↗
08/24/2026Q00872891-I1Request digital key ↗
08/24/2026Q00924648-I1Request digital key ↗
Showing 3 of 8 on file for this type
▸Zoning, Tax Lot & Property Records9
▸DOB NOWZD1: DOB Zoning Diagram4
08/23/2026Q00931519-I1Open ↗
08/23/2026Q00931519-P1Open ↗
08/13/2026Q00863662-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWZoning Exhibit form (1-5)3
08/23/2026Q00931519-P1Open ↗
08/13/2026Q00863662-I1Open ↗
08/13/2026Q00931519-I1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp2
08/13/2026Q00931519-I1Open ↗
08/13/2026Q00863662-I1Open ↗
▸Seals & Professional Certifications23
▸DOB NOWDPL-1: Design Professional Seal & Signature8
08/24/2026Q00863662-I1Open ↗
08/24/2026Q00924648-I1Open ↗
08/23/2026Q00931519-P1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature7
08/28/2026Q00872905-I1Open ↗
08/28/2026Q00872905-I1Open ↗
08/24/2026Q00924648-I1Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWProgress Inspector Seal & Signature7
08/28/2026Q00872905-I1Open ↗
08/23/2026Q00931519-P1Open ↗
08/23/2026Q00931519-P1Open ↗
Showing 3 of 7 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
05/19/2023440783225Open ↗
▸Trade Schedules & Equipment5
▸DOB NOWGas Cut-Off1
08/13/2026Q00924648-I1Open ↗
▸DOB NOWWater Cut-Off1
08/13/2026Q00924648-I1Open ↗
▸DOB NOWElectric Cut-Off1
08/13/2026Q00924648-I1Open ↗
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)1
08/13/2026Q00931519-I1Open ↗
▸DOB NOWSewer Cut-Off1
08/13/2026Q00924648-I1Open ↗
▸Safety & Tenant Protection5
▸BISSTREET TREE CHECKLIST2
06/13/2025440783225Open ↗
05/19/2023440783225Open ↗
▸DOB NOWStreet Tree Checklist2
08/23/2026Q00931519-P1Open ↗
08/13/2026Q00931519-I1Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026Q00931519-I1Open ↗
▸Environmental & Asbestos3
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/24/2026Q00924648-I1Open ↗
08/13/2026Q00872905-I1Open ↗
▸DOB NOWRodent Control1
08/13/2026Q00924648-I1Open ↗
▸Inspections & Test Reports2
▸DOB NOWTR4 Test Report and Plot Diagram1
08/13/2026Q00863662-I1Open ↗
▸DOB NOWSOIL REPORT1
08/13/2026Q00863662-I1Open ↗
▸Other Documents15
▸DOB NOWProperty Ownership Certification4
08/24/2026Q00863662-I1Open ↗
08/24/2026Q00924648-I1Open ↗
08/23/2026Q00931519-P1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWSite Survey: Initial3
08/23/2026Q00931519-P1Open ↗
08/13/2026Q00863662-I1Open ↗
08/13/2026Q00931519-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
08/23/2026Q00931519-P1Open ↗
08/13/2026Q00931519-I1Open ↗
08/13/2026Q00863662-I1Open ↗
▸BISBPP - SUPPORTING DOCUMENTATION1
06/13/2025440783225Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026Q00931519-I1Open ↗
▸DOB NOWFull Demo: 10-Day Notice1
08/13/2026Q00924648-I1Open ↗
▸DOB NOWStructure Photographs1
08/13/2026Q00924648-I1Open ↗
▸DOB NOWCommunity Board Notification1
08/13/2026Q00924648-I1Open ↗