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Two stories - detached, small or mid-size
249-20 51 AVENUE
QUEENS · BIN 4171142
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1940Year Built
2Stories
A1Building Class
R2Zoning
1,416 sfGross Floor Area
1Units
FDNY Report ↗
Two stories - detached, small or mid-size · 4,800 sf lot · 0.3 FAR built · Flood zone X
Locations of Work
Architecture
Floor 21p · 1 filing · 6 docs
Floor 1
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
ASIA ENTERTAINMENT NY GROUP404/09/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
01/26/2024$925K—Private party → Private party$653/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SQUARE ARCH, LLC206/30/2026
ZHENG & ASSOCIATES LLC407/17/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
AMERGY SOLAR203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
AMERGY SOLAR INCGeneral Contractor104/09/2026
ZHAO'S CONSTRUCTION INCGeneral Contractor107/08/2026
HP SERVICES INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802206/30/2026
ZHENG & ASSOCIATES LLC7330407/17/2024
Building Lifecycle
All (27)Filed (6)Permit Issued (3)Signed Off (3)Inspection (5)Special Inspection (10)
07/01/2026
Signed off — Alteration
Installation of Solar panels on existing roof structure, No change in use, egress or occupancy.
Q01334539-I1
06/30/2026
Filed — Alteration
Installation of Solar panels on existing roof structure, No change in use, egress or occupancy.
Q01334539-P1
06/30/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Chun Feng
06/30/2026
Special inspection requirement — Final
Chun Feng
06/30/2026
Special inspection requirement — Energy Code Compliance Inspections
Chun Feng
06/30/2026
Special inspection requirement — Air barrier - visual inspection
Chun Feng
06/24/2026
Special inspection requirement — Air barrier - visual inspection
Chun Feng
06/24/2026
Special inspection requirement — Energy Code Compliance Inspections
Chun Feng
06/24/2026
Special inspection requirement — Final
Chun Feng
06/24/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Chun Feng
01/05/2026
Permit issued — Solar
Q01334539-I1-SL
12/30/2025
Filed — Alteration
Installation of Solar panels on existing roof structure, No change in use, egress or occupancy.
Q01334539-I1
04/14/2025
Signed off — Alteration
Plumbing work in conjunction with job #Q01000476.
Q01000477-I1
07/31/2024
Signed off — Alteration
Minor partition work for existing 1 family dwelling unit. There is no change in use, egress and occupancy.
Q01000476-I1
07/17/2024
Filed — Alteration
Minor partition work for existing 1 family dwelling unit. There is no change in use, egress and occupancy.
Q01000476-P1
05/09/2024
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
04/08/2024
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
04/08/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
04/08/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
04/03/2024
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
04/02/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Jinfar Liu
03/28/2024
Filed — Alteration
Plumbing work in conjunction with job #Q01000476.
Q01000477-P1
03/28/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Jinfar Liu
02/23/2024
Permit issued — General Construction
Q01000476-I1-GC
02/22/2024
Permit issued — Plumbing
Q01000477-I1-PL
02/16/2024
Filed — Alteration
Plumbing work in conjunction with job #Q01000476.
Q01000477-I1
02/16/2024
Filed — Alteration
Minor partition work for existing 1 family dwelling unit. There is no change in use, egress and occupancy.
Q01000476-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offAMERGY SOLAR INC01/05/2026
DOB NOWGeneral ConstructionSigned-offZHAO'S CONSTRUCTION INC02/23/2024
DOB NOWPlumbingSigned-offHP SERVICES INC02/22/2024
1 job · most recent 12/24/2025
FiledStatusContractorScope
12/24/2025CompleteI.P. ELECTRIC INC—
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
05/09/2024Pass-Final PL - Up to 3 Requested FloorsPassView ↗
04/08/2024Certified Gas-Gas-Piping-RoughingCertifiedView ↗
04/08/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
04/08/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
04/03/2024Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 10
DateRequirementInspectorRole
06/30/2026Fire-Resistant Penetrations and JointsChun Fengspecial
06/30/2026FinalChun Fengprogress
06/30/2026Energy Code Compliance InspectionsChun Fengprogress
06/30/2026Air barrier - visual inspectionChun Fengenergy_progress
06/24/2026Air barrier - visual inspectionChun Fengenergy_progress
06/24/2026Energy Code Compliance InspectionsChun Fengprogress
06/24/2026FinalChun Fengprogress
06/24/2026Fire-Resistant Penetrations and JointsChun Fengspecial
04/02/2024Fire-Resistant Penetrations and JointsJinfar Liuspecial
03/28/2024Fire-Resistant Penetrations and JointsJinfar Liuspecial
▾Documents — 29 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/23/2026Q01000476-I1Request digital key ↗
08/23/2026Q01000476-P1Request digital key ↗
08/23/2026Q01000477-P1Request digital key ↗
Showing 3 of 6 on file for this type
▸Seals & Professional Certifications16
▸DOB NOWDPL-1: Design Professional Seal & Signature6
08/23/2026Q01000476-I1Open ↗
08/23/2026Q01000476-P1Open ↗
08/23/2026Q01000477-P1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWProgress Inspector Seal & Signature6
08/25/2026Q01334539-I1Open ↗
08/25/2026Q01334539-I1Open ↗
08/25/2026Q01334539-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
09/30/2026Q01000477-I1Open ↗
09/01/2026Q01000477-P1Open ↗
08/25/2026Q01334539-I1Open ↗
Showing 3 of 4 on file for this type
▸Environmental & Asbestos6
▸DOB NOWDEP ACP-5: Asbestos Assessment Report6
08/23/2026Q01000476-P1Open ↗
08/23/2026Q01000476-I1Open ↗
08/23/2026Q01000477-P1Open ↗
Showing 3 of 6 on file for this type
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/17/2026Q01334539-I1Open ↗