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BuildNYC
One family attached or semi-detached
163-20 21ST ROAD
QUEENS · BIN 4129081
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1960Year Built
2Stories
A5Building Class
R3-1Zoning
1,056 sfGross Floor Area
1Units
One family attached or semi-detached · 2,185 sf lot · 0.48 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbing
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 2Under Construction7p · 1 filing · 20 docs
Floor 1Under Construction7p · 1 filing · 20 docs
CellarUnder Construction7p · 1 filing · 20 docs
Site & exteriorUnder Construction4p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
Blackstone Real Group610/13/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
07/07/2026$238K—Private party → 21 RD QN LLC$225/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CQ&J408/28/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Morell BuildersGeneral Contractor207/30/2026
BT's Plumbing and HeatingPlumbing107/31/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Simon7555207/27/2026
Building Lifecycle
All (35)Filed (4)Permit Issued (3)Inspection (5)Special Inspection (23)
10/09/2026
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
09/02/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
08/31/2026
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
08/28/2026
Filed — Alteration
EXISTING 1 FAMILY BUILDING WITH PLUMBING WORK AT CELLAR,1ST AND 2ND FLOOR.JOB FILED TO RELATED TO ALT 2 APPLICATION #Q01434782-I1.NO CHANGE IN USE,MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION.
Q01434782-P1
08/28/2026
Special inspection requirement — Energy Code Compliance Inspections
CALVIN TRAN
08/28/2026
Special inspection requirement — HVAC-R and service water heating system controls
CALVIN TRAN
08/28/2026
Special inspection requirement — HVAC-R and service water heating equipment
CALVIN TRAN
08/28/2026
Special inspection requirement — Maintenance information
CALVIN TRAN
08/28/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
CALVIN TRAN
08/27/2026
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
08/27/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
07/30/2026
Permit issued — Plumbing
Q01434782-S1-PL
07/29/2026
Permit issued — General Construction
Q01434782-I1-GC
07/28/2026
Permit issued — Mechanical Systems
Q01434782-S2-MS
07/27/2026
Filed — Alteration
EXISTING 1 FAMILY BUILDING WITH PLUMBING WORK AT CELLAR,1ST AND 2ND FLOOR.JOB FILED TO RELATED TO ALT 2 APPLICATION #Q01434782-I1.NO CHANGE IN USE,MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION.
Q01434782-I1
07/27/2026
Filed — Alteration
EXISTING 1 FAMILY BUILDING WITH PLUMBING WORK AT CELLAR,1ST AND 2ND FLOOR.JOB FILED TO RELATED TO ALT 2 APPLICATION #Q01434782-I1.NO CHANGE IN USE,MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION.
Q01434782-S1
07/27/2026
Filed — Alteration
EXISTING 1 FAMILY BUILDING WITH PLUMBING WORK AT CELLAR,1ST AND 2ND FLOOR.JOB FILED TO RELATED TO ALT 2 APPLICATION #Q01434782-I1.NO CHANGE IN USE,MEANS OF EGRESS OR OCCUPANCY IN THIS APPLICATION.
Q01434782-S2
07/27/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
CALVIN TRAN
07/27/2026
Special inspection requirement — HVAC-R and service water heating equipment
CALVIN TRAN
07/27/2026
Special inspection requirement — Maintenance information
CALVIN TRAN
07/27/2026
Special inspection requirement — HVAC-R and service water heating system controls
CALVIN TRAN
07/24/2026
Special inspection requirement — Fenestration air leakage
CALVIN TRAN
07/24/2026
Special inspection requirement — Insulation placement and R values
CALVIN TRAN
07/24/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
CALVIN TRAN
07/24/2026
Special inspection requirement — Air barrier - visual inspection
CALVIN TRAN
07/24/2026
Special inspection requirement — Fenestration areas
CALVIN TRAN
07/24/2026
Special inspection requirement — Interior lighting power
CALVIN TRAN
07/22/2026
Special inspection requirement — Energy Code Compliance Inspections
CALVIN TRAN
07/22/2026
Special inspection requirement — Mechanical Systems
SIMON JIANG
07/22/2026
Special inspection requirement — Energy Code Compliance Inspections
CALVIN TRAN
07/22/2026
Special inspection requirement — Metering
CALVIN TRAN
07/22/2026
Special inspection requirement — Final
CALVIN TRAN
07/22/2026
Special inspection requirement — Maintenance information
CALVIN TRAN
07/22/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
SIMON JIANG
07/22/2026
Special inspection requirement — Fire-Resistance Rated Construction
CALVIN TRAN
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedBT's Plumbing and Heating07/30/2026
DOB NOWGeneral ConstructionPermit IssuedMorell Builders07/29/2026
DOB NOWMechanical SystemsPermit IssuedMorell Builders07/28/2026
1 project · most recent 08/28/2026
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
08/28/2026Permit IssuedMorell BuildersHeating and Air Conditioning Systems
Heat / Cool
Cooper & Hunter CH-R48LCU-230VO 48,000 BTU · Condensing Unit ×1
__Junk__ AP12HP230VAO 12,000 BTU · Condensing Unit ×1
1 project · most recent 08/28/2026
Gas Water/Sanitary
FiledStatusContractorScope
08/28/2026Permit IssuedBT's Plumbing and HeatingGas, Water/Sanitary
1 project · most recent 08/18/2026
General Wiring
FiledStatusContractorScope
08/18/2026Permit IssuedRoney ElectricGeneral Wiring
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
10/09/2026Fail-Final PL - Up to 3 Requested FloorsFailView ↗
09/02/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
08/31/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
08/27/2026Certified Gas-Gas-Piping-RoughingCertifiedView ↗
08/27/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 23
DateRequirementInspectorRole
08/28/2026Energy Code Compliance InspectionsCALVIN TRANprogress
08/28/2026HVAC-R and service water heating system controlsCALVIN TRANenergy_progress
08/28/2026HVAC-R and service water heating equipmentCALVIN TRANenergy_progress
08/28/2026Maintenance informationCALVIN TRANenergy_progress
08/28/2026HVAC-R and service water piping design and insulationCALVIN TRANenergy_progress
07/27/2026HVAC-R and service water piping design and insulationCALVIN TRANenergy_progress
07/27/2026HVAC-R and service water heating equipmentCALVIN TRANenergy_progress
07/27/2026Maintenance informationCALVIN TRANenergy_progress
07/27/2026HVAC-R and service water heating system controlsCALVIN TRANenergy_progress
07/24/2026Fenestration air leakageCALVIN TRANenergy_progress
07/24/2026Insulation placement and R valuesCALVIN TRANenergy_progress
07/24/2026Fenestration and door U-factor and product ratingsCALVIN TRANenergy_progress
07/24/2026Air barrier - visual inspectionCALVIN TRANenergy_progress
07/24/2026Fenestration areasCALVIN TRANenergy_progress
07/24/2026Interior lighting powerCALVIN TRANenergy_progress
07/22/2026Energy Code Compliance InspectionsCALVIN TRANprogress
07/22/2026Mechanical SystemsSIMON JIANGspecial
07/22/2026Energy Code Compliance InspectionsCALVIN TRANprogress
07/22/2026MeteringCALVIN TRANenergy_progress
07/22/2026FinalCALVIN TRANprogress
07/22/2026Maintenance informationCALVIN TRANenergy_progress
07/22/2026Fire-Resistant Penetrations and JointsSIMON JIANGspecial
07/22/2026Fire-Resistance Rated ConstructionCALVIN TRANprogress
▾Documents — 20 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/16/2026Q01434782-I1Request digital key ↗
08/16/2026Q01434782-S1Request digital key ↗
08/16/2026Q01434782-S2Request digital key ↗
▸Seals & Professional Certifications14
▸DOB NOWProgress Inspector Seal & Signature9
08/28/2026Q01434782-S1Open ↗
08/28/2026Q01434782-S1Open ↗
08/28/2026Q01434782-S1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/16/2026Q01434782-S2Open ↗
08/16/2026Q01434782-I1Open ↗
08/16/2026Q01434782-S1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/28/2026Q01434782-I1Open ↗
08/27/2026Q01434782-S2Open ↗
▸Environmental & Asbestos3
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
08/16/2026Q01434782-I1Open ↗
08/16/2026Q01434782-S1Open ↗
08/16/2026Q01434782-S2Open ↗