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Two family brick
39-21 50 STREET
QUEENS · BIN 4000916
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1935Year Built
2Stories
B1Building Class
R5BZoning
2,320 sfGross Floor Area
2Units
Two family brick · 2,400 sf lot · 0.97 FAR built · Flood zone X
Locations of Work
Architecture
Cellar1p · 1 filing · 9 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
05/31/2023$1.7M—Private party → Private party$735/sf building
03/03/2022$950K—Private party → Private party$409/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ALMA ENGINEERING, PC206/11/2025
ARNOLD MONTAG ARCHITECT AM/PM DESI603/28/2023
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
FLANAGAN CONSTRUCTION CORPGeneral Contractor403/21/2026
STERLING GENERAL CONTRAC*General Contractor407/08/2026
PLBG P & H INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
ALMA ENGINEERING, P.C.7833206/11/2025
ARNOLD MONTAG ARCHITECT,4599603/28/2023
Building Lifecycle
All (49)Filed (8)Permit Issued (5)Signed Off (3)Inspection (8)Objection (4)Special Inspection (21)
07/07/2025
Signed off — Alteration
Vertical enlargement of two existing cellar windows and adding a new one. No change in use, egress, or occupancy.
Q01093477-I1
06/11/2025
Filed — Alteration
Vertical enlargement of two existing cellar windows and adding a new one. No change in use, egress, or occupancy.
Q01093477-P1
06/06/2025
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
06/06/2025
Special inspection requirement — Structural Steel - Details
SAHAND AINECHI
06/06/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
SAHAND AINECHI
06/06/2025
Special inspection requirement — Final
SAHAND AINECHI
05/22/2025
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
04/15/2025
Permit issued — General Construction
Q01093477-I1-ST
12/13/2024
Permit issued — General Construction
Q01093477-I1-GC
09/24/2024
Objection resolved — Addressed
09/24/2024
Objection resolved — Addressed
09/16/2024
Objection raised — Structural
09/16/2024
Objection raised — Other
09/12/2024
Filed — Alteration
Vertical enlargement of two existing cellar windows and adding a new one. No change in use, egress, or occupancy.
Q01093477-I1
04/10/2023
Signed off — Alteration
PROPOSED PLUMBING WORK AT CELLAR, 1ST AND 2ND FL
Q00710308-S1
03/29/2023
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
03/28/2023
Filed — Alteration
PROPOSED PLUMBING WORK AT CELLAR, 1ST AND 2ND FL
Q00710308-P5
03/27/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
Arnold Montag
03/27/2023
Special inspection requirement — Energy Code Compliance Inspections
Arnold Montag
03/20/2023
Filed — Alteration
PROPOSED PLUMBING WORK AT CELLAR, 1ST AND 2ND FL
Q00710308-P4
01/03/2023
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
12/21/2022
Signed off — Alteration
PROPOSED PLUMBING WORK AT CELLAR, 1ST AND 2ND FL
Q00710308-I1
12/12/2022
Filed — Alteration
PROPOSED PLUMBING WORK AT CELLAR, 1ST AND 2ND FL
Q00710308-P3
12/08/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Arnold Montag
12/08/2022
Special inspection requirement — Energy Code Compliance Inspections
Arnold Montag
11/22/2022
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
11/22/2022
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
11/15/2022
Filed — Alteration
PROPOSED PLUMBING WORK AT CELLAR, 1ST AND 2ND FL
Q00710308-P1
11/11/2022
Special inspection requirement — Final
Arnold Montag
11/11/2022
Special inspection requirement — Fire-Resistance Rated Construction
Arnold Montag
11/11/2022
Special inspection requirement — HVAC-R and service water heating equipment
Arnold Montag
11/11/2022
Special inspection requirement — HVAC-R and service water heating system controls
Arnold Montag
11/11/2022
Special inspection requirement — Fenestration and door U-factor and product ratings
Arnold Montag
11/11/2022
Special inspection requirement — Fenestration areas
Arnold Montag
11/11/2022
Special inspection requirement — Interior lighting power
Arnold Montag
11/11/2022
Special inspection requirement — Air barrier - visual inspection
Arnold Montag
11/11/2022
Special inspection requirement — Fenestration air leakage
Arnold Montag
11/11/2022
Special inspection requirement — HVAC-R and service water piping design and insulation
Arnold Montag
11/11/2022
Special inspection requirement — Ventilation and air distribution system
Arnold Montag
11/11/2022
Special inspection requirement — Energy Code Compliance Inspections
Arnold Montag
11/11/2022
Special inspection requirement — Mechanical Systems
Arnold Montag
11/11/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Arnold Montag
07/01/2022
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
07/01/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
06/15/2022
Permit issued — Plumbing
Q00710308-S1-PL
05/27/2022
Filed — Alteration
PROPOSED PLUMBING WORK AT CELLAR, 1ST AND 2ND FL
Q00710308-S1
05/12/2022
Permit issued — General Construction
Q00710308-I1-GC
05/12/2022
Permit issued — General Construction
Q00710308-I1-MS
04/27/2022
Filed — Alteration
PROPOSED PLUMBING WORK AT CELLAR, 1ST AND 2ND FL
Q00710308-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offSTERLING GENERAL CONTRAC*04/15/2025
DOB NOWGeneral ConstructionSigned-offSTERLING GENERAL CONTRAC*12/13/2024
DOB NOWPlumbingSigned-offPLBG P & H INC06/15/2022
DOB NOWGeneral ConstructionSigned-offFLANAGAN CONSTRUCTION CORP05/12/2022
DOB NOWGeneral ConstructionSigned-offFLANAGAN CONSTRUCTION CORP05/12/2022
3 projects · most recent 11/17/2024
General Wiring
FiledStatusContractorScope
11/17/2024Permit IssuedEINSTEIN ELEC'L CORP3 meters, 3 new_meters
02/16/2024CompleteEINSTEIN ELEC'L CORPGeneral Wiring
11/14/2022CompleteK.N.C ELECTRIC INCGeneral Wiring
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
06/06/2025Fail-Final General Construction Non-Directive 14FailView ↗
05/22/2025Fail-Final General Construction Non-Directive 14FailView ↗
03/29/2023Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
01/03/2023Pass-Final PL - Up to 3 Requested FloorsPassView ↗
11/22/2022Pass-Final General Construction Non-Directive 14PassView ↗
11/22/2022Pass-Final PL - Up to 3 Requested FloorsPassView ↗
07/01/2022Certified Gas-Gas-Piping-RoughingCertifiedView ↗
07/01/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 21
DateRequirementInspectorRole
06/06/2025Structural Steel - DetailsSAHAND AINECHIspecial
06/06/2025Structural Stability – Alterations of existing buildingsSAHAND AINECHIspecial
06/06/2025FinalSAHAND AINECHIprogress
03/27/2023Fire-Resistant Penetrations and JointsArnold Montagspecial
03/27/2023Energy Code Compliance InspectionsArnold Montagprogress
12/08/2022Fire-Resistant Penetrations and JointsArnold Montagspecial
12/08/2022Energy Code Compliance InspectionsArnold Montagprogress
11/11/2022FinalArnold Montagprogress
11/11/2022Fire-Resistance Rated ConstructionArnold Montagprogress
11/11/2022HVAC-R and service water heating equipmentArnold Montagenergy_progress
11/11/2022HVAC-R and service water heating system controlsArnold Montagenergy_progress
11/11/2022Fenestration and door U-factor and product ratingsArnold Montagenergy_progress
11/11/2022Fenestration areasArnold Montagenergy_progress
11/11/2022Interior lighting powerArnold Montagenergy_progress
11/11/2022Air barrier - visual inspectionArnold Montagenergy_progress
11/11/2022Fenestration air leakageArnold Montagenergy_progress
11/11/2022HVAC-R and service water piping design and insulationArnold Montagenergy_progress
11/11/2022Ventilation and air distribution systemArnold Montagenergy_progress
11/11/2022Energy Code Compliance InspectionsArnold Montagprogress
11/11/2022Mechanical SystemsArnold Montagspecial
11/11/2022Fire-Resistant Penetrations and JointsArnold Montagspecial
▾Documents — 46 on file (BIS + DOB NOW)
▸Plans & Drawings8
▸DOB NOWPlans/Sketch8
08/25/2026Q00710308-P4Request digital key ↗
08/25/2026Q00710308-I1Request digital key ↗
08/25/2026Q00710308-P3Request digital key ↗
Showing 3 of 8 on file for this type
▸Seals & Professional Certifications29
▸DOB NOWProgress Inspector Seal & Signature15
09/02/2026Q00710308-P5Open ↗
08/28/2026Q01093477-P1Open ↗
08/27/2026Q00710308-P1Open ↗
Showing 3 of 15 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature8
08/25/2026Q00710308-P3Open ↗
08/25/2026Q00710308-P1Open ↗
08/25/2026Q00710308-S1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
09/02/2026Q00710308-P5Open ↗
08/28/2026Q01093477-P1Open ↗
08/28/2026Q01093477-P1Open ↗
Showing 3 of 6 on file for this type
▸Environmental & Asbestos8
▸DOB NOWDEP ACP-5: Asbestos Assessment Report8
08/25/2026Q00710308-I1Open ↗
08/25/2026Q00710308-P1Open ↗
08/25/2026Q00710308-S1Open ↗
Showing 3 of 8 on file for this type
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis1
08/13/2026Q00710308-I1Open ↗