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QUEENS
79-20 Queens Blvd Leasehold Condominium
79-17 51 AVENUE · Elmhurst · BIN 4623408
💬 Discuss this project
—Year Built
—Stories
—Building Class
—Zoning
—Gross Floor Area
—Units
0 Open Violations
Flood zone X
Locations of Work
ArchitectureStructuralElectricalMechanicalPlumbingFire ProtectionEquipmentCivilGeneral
Roof151p · 7 filings · 20 docs
Floor 4145p · 6 filings · 20 docs
Floor 3146p · 6 filings · 20 docs
Floor 2146p · 6 filings · 20 docs
Floor 1148p · 8 filings · 20 docs
Cellar147p · 7 filings · 20 docs
Site & exterior11p · 2 filings · 6 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
LIBERTY 1 GROUP7807/08/2026
LIBERTY ONE CONSTRUCTION, LLC1803/22/2026
79-20 REALTY1803/21/2026
OWNERS REP707/08/2026
LIBERTY ONE GROUP103/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
IMC ARCHITECTURE DPC405/15/2026
MILTIADIS LEPTOURGOS, PE2806/05/2023
PAUL PERDEK, PROF. ENG. PLLC304/05/2021
HIGHRISE GROUP NYC, INC210/27/2020
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
AE DESIGN SOLUTION603/21/2026
HIGHRISE GROUP NYC, INC403/21/2026
CORE CONSULTANTS NYC103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
LIBERTY ONE CONSTRUCTIONGeneral Contractor2707/08/2026
CORE SCAFFOLD SYSTEMS INC.General Contractor507/08/2026
SAFETY FIRE SPRINKLER CORPFire Protection407/08/2026
G.A.M.C.N.Y. LLCGeneral Contractor307/08/2026
DPH PLUMBING & HTG CORPPlumbing207/08/2026
CURRENT MECHS ELEC CONTSElectrical103/22/2026
HIRSCHEL ELECTRICAL INC.Electrical103/22/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
MILTIADIS LEPTOURGOS, PE5082806/05/2023
Building Lifecycle
All (120)Filed (37)Permit Issued (23)Signed Off (10)Violation (13)Inspection (5)Objection (2)Special Inspection (30)
05/29/2026
Special inspection requirement — Public Assembly Emergency Lighting
05/27/2026
Objection resolved — Addressed
05/26/2026
Special inspection requirement — Public Assembly Emergency Lighting
Miltiadis Leptourgos
05/25/2026
Objection raised — Other
05/15/2026
Filed — No Work
Q00388385-P1
05/15/2026
Filed — No Work
Q00388360-P1
12/01/2024
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
11/14/2024
Violation issued (ECB, closed)
Construction
05/02/2024
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
06/07/2023
Signed off — Alteration
Install new mechanical systems throughout the whole building as per NB # 420666595. Obtain MH Permit. This application is filed in conjunction with the NB Application and all fees are paid under the NB. (Ref Job # 4757)
Q00304911-I1
06/05/2023
Filed — Alteration
Install new mechanical systems throughout the whole building as per NB # 420666595. Obtain MH Permit. This application is filed in conjunction with the NB Application and all fees are paid under the NB. (Ref Job # 4757)
Q00304911-P5
06/05/2023
Special inspection requirement — Shutoff dampers
Miltiadis Leptourgos
06/05/2023
Special inspection requirement — Electrical motors
Miltiadis Leptourgos
06/05/2023
Special inspection requirement — HVAC and service water heating equipment
Miltiadis Leptourgos
06/05/2023
Special inspection requirement — HVAC insulation and sealing
Miltiadis Leptourgos
06/05/2023
Special inspection requirement — HVAC and service water heating system controls
Miltiadis Leptourgos
06/05/2023
Special inspection requirement — Maintenance information
Miltiadis Leptourgos
06/05/2023
Special inspection requirement — Mechanical Systems
Miltiadis Leptourgos
06/05/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
Miltiadis Leptourgos
06/05/2023
Special inspection requirement — Final
Miltiadis Leptourgos
06/05/2023
Special inspection requirement — Energy Code Compliance Inspections
Miltiadis Leptourgos
03/10/2023
Filed — Alteration
Install new mechanical systems throughout the whole building as per NB # 420666595. Obtain MH Permit. This application is filed in conjunction with the NB Application and all fees are paid under the NB. (Ref Job # 4757)
Q00304911-P4
03/08/2023
Special inspection requirement — Final
Miltiadis Leptourgos
03/08/2023
Special inspection requirement — Energy Code Compliance Inspections
Miltiadis Leptourgos
03/08/2023
Special inspection requirement — Mechanical Systems
Miltiadis Leptourgos
03/08/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
Miltiadis Leptourgos
03/08/2023
Special inspection requirement — HVAC and service water heating equipment
Miltiadis Leptourgos
03/08/2023
Special inspection requirement — Maintenance information
Miltiadis Leptourgos
03/08/2023
Special inspection requirement — HVAC and service water heating system controls
Miltiadis Leptourgos
03/08/2023
Special inspection requirement — HVAC insulation and sealing
Miltiadis Leptourgos
03/08/2023
Special inspection requirement — Shutoff dampers
Miltiadis Leptourgos
03/08/2023
Special inspection requirement — Electrical motors
Miltiadis Leptourgos
08/03/2022
Signed off — Alteration
Install new plumbing system throughout the whole building as per plans and as per NB 420666595, filed by others. Obtain PL Permit. This application is filed in conjunction with the NB 420666595. All fees are paid under the NB application. (Ref Job # 4755)
Q00450146-I1
07/27/2022
Signed off — Alteration
Install new EG with a 100 gal FS tank as a package unit at Cellar. Obtain MS permit. This application is filed in conjunction with FS application Q00361905-I1 for the EG (4769B). No change in use, egress or occupancy. All fees are paid under the
Q00358398-I1
07/26/2022
Special inspection requirement — Emergency and Standby Power Systems (Generator)
Miltiadis Leptourgos
07/26/2022
Special inspection requirement — Mechanical Systems
Miltiadis Leptourgos
07/26/2022
Special inspection requirement — Chimneys and vents
Miltiadis Leptourgos
07/26/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Miltiadis Leptourgos
07/26/2022
Special inspection requirement — Fire-Resistance Rated Construction
Miltiadis Leptourgos
07/26/2022
Special inspection requirement — Smoke Control Systems Testing
Miltiadis Leptourgos
07/26/2022
Special inspection requirement — Final
Miltiadis Leptourgos
07/25/2022
Filed — Alteration
Install new EG with a 100 gal FS tank as a package unit at Cellar. Obtain MS permit. This application is filed in conjunction with FS application Q00361905-I1 for the EG (4769B). No change in use, egress or occupancy. All fees are paid under the
Q00358398-P4
07/07/2022
Signed off — Alteration
Structural plans for NB 420666595, 4 story and Cellar Charter School. This application is filed in conjunction to the NB application. All fees are paid under the NB. (Ref Job # 4755).
Q00304531-I1
06/22/2022
Signed off — Alteration
Install new 100 gal. Fuel Storage tank for the Emergency Generator as a package unit at Cellar. Obtain FS Permit. This application is filed in conjunction with the MS application # Q00358398-I1 for the Emergency Generator (4769A). No change in use, egress
Q00361905-I1
06/15/2022
Special inspection requirement — Fuel-Oil Storage and Fuel-Oil Piping Systems
Miltiadis Leptourgos
06/14/2022
Signed off — Alteration
INSTALLATION OF 8' HIGH TEMPORARY CONSTRUCTION FENCE. THERE WILL BE NO CHANGE IN USE OR EGRESS UNDER THIS APPLICATION.
Q00419358-I1
06/14/2022
Filed — Alteration
Install new 100 gal. Fuel Storage tank for the Emergency Generator as a package unit at Cellar. Obtain FS Permit. This application is filed in conjunction with the MS application # Q00358398-I1 for the Emergency Generator (4769A). No change in use, egress
Q00361905-P3
06/14/2022
Inspection — Pass-Final Boiler Equipment Inspection
Pass
View inspection ↗
06/13/2022
Filed — Alteration
Install new EG with a 100 gal FS tank as a package unit at Cellar. Obtain MS permit. This application is filed in conjunction with FS application Q00361905-I1 for the EG (4769B). No change in use, egress or occupancy. All fees are paid under the
Q00358398-P3
06/11/2022
Signed off — Alteration
Install new fire protection system throughout the whole building as per plans and as per NB # 420666595. Obtain SP and SD Permits. This job is filed in conjunction with the NB # 420666595. All fees are paid under the NB Application. (Ref Job # 4759)
Q00303453-I1
06/09/2022
Signed off — Alteration
INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Q00452348-I1
06/09/2022
Signed off — Alteration
Q00498300-I1
06/02/2022
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
06/02/2022
Inspection — Certified StandPipe-SD-Fixtures-Finish-SD
Certified
View inspection ↗
05/31/2022
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
05/31/2022
Inspection — Certified StandPipe-SD-Piping-Hydrostatic Test
Certified
View inspection ↗
05/20/2022
Filed — Alteration
Install new mechanical systems throughout the whole building as per NB # 420666595. Obtain MH Permit. This application is filed in conjunction with the NB Application and all fees are paid under the NB. (Ref Job # 4757)
Q00304911-P3
05/19/2022
Permit issued — Sprinklers
Q00303453-I1-EW-SD
05/19/2022
Permit issued — Sprinklers
Q00303453-I1-EW-SP
05/18/2022
Filed — Alteration
Install new plumbing system throughout the whole building as per plans and as per NB 420666595, filed by others. Obtain PL Permit. This application is filed in conjunction with the NB 420666595. All fees are paid under the NB application. (Ref Job # 4755)
Q00450146-P3
Latest 60 of 120 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSprinklersSigned-offSAFETY FIRE SPRINKLER CORP05/19/2022
DOB NOWSprinklersSigned-offSAFETY FIRE SPRINKLER CORP05/19/2022
DOB NOWConstruction FenceSigned-offLIBERTY ONE CONSTRUCTION03/22/2022
DOB NOWStructuralSigned-offLIBERTY ONE CONSTRUCTION03/21/2022
DOB NOWBoiler EquipmentSigned-offMICHAEL S. KAPLAN03/14/2022
DOB NOWStructuralSigned-offLIBERTY ONE CONSTRUCTION03/09/2022
DOB NOWMechanical SystemsSigned-offGAMCNY02/25/2022
DOB NOWMechanical SystemsSigned-offGAMCNY02/25/2022
DOB NOWPlumbingSigned-offDPH PLUMBING & HTG CORP02/11/2022
DOB NOWSidewalk ShedSigned-offCORE SCAFFOLD SYSTEMS INC01/10/2022
DOB NOWSprinklersSigned-offSAFETY FIRE SPRINKLER CORP06/07/2021
DOB NOWStandpipeSigned-offSAFETY FIRE SPRINKLER CORP06/07/2021
DOB NOWStructuralSigned-offLIBERTY ONE CONSTRUCTION06/04/2021
DOB NOWConstruction FenceSigned-offLIBERTY ONE CONSTRUCTION06/04/2021
DOB NOWStructuralSigned-offLIBERTY ONE CONSTRUCTION05/01/2021
DOB NOWConstruction FenceSigned-offLIBERTY ONE CONSTRUCTION04/30/2021
DOB NOWStructuralSigned-offLIBERTY ONE CONSTRUCTION04/22/2021
DOB NOWConstruction FenceSigned-offLIBERTY ONE CONSTRUCTION04/22/2021
DOB NOWConstruction FenceSigned-offLIBERTY ONE CONSTRUCTION04/08/2021
DOB NOWSupported ScaffoldSigned-offCORE SCAFFOLD SYSTEMS INC04/07/2021
DOB NOWSidewalk ShedSigned-offCORE SCAFFOLD SYSTEMS INC01/13/2021
DOB NOWPlumbingSigned-offDPH PLUMBING & HTG CORP01/12/2021
DOB NOWConstruction FenceSigned-offLIBERTY ONE CONSTRUCTION10/29/2020
BIS—ISSUEDLIBERTY ONE CONSTRUCTION04/23/2022
BIS—ISSUEDLIBERTY ONE CONSTRUCTION04/23/2022
BIS—ISSUEDLIBERTY ONE CONSTRUCTION04/11/2022
BIS—ISSUEDLIBERTY ONE CONSTRUCTION04/07/2022
BIS—ISSUEDLIBERTY ONE CONSTRUCTION03/21/2022
BIS—ISSUEDLIBERTY ONE CONSTRUCTION03/21/2022
BIS—ISSUEDLIBERTY ONE CONSTRUCTION01/28/2022
BIS—ISSUEDLIBERTY ONE CONSTRUCTION01/28/2022
BIS—ISSUEDLIBERTY ONE CONSTRUCTION04/21/2021
BIS—ISSUEDLIBERTY ONE CONSTRUCTION04/21/2021
BIS—ISSUEDLIBERTY ONE CONSTRUCTION10/28/2020
BIS—ISSUEDLIBERTY ONE CONSTRUCTION10/28/2020
4 projects · most recent 06/28/2022
General Wiring
FiledStatusContractorScope
06/28/2022CompleteCURRENT MECHS ELEC CONTSGeneral Wiring
01/30/2022CompleteHIRSCHEL ELECTRICAL INC.General Wiring
03/15/2021CompleteCURRENT MECHS ELEC CONTS—
11/29/2020CompleteV. VASS ELECTRIC CORP—
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
06/14/2022Pass-Final Boiler Equipment InspectionPassView ↗
06/02/2022Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
06/02/2022Certified StandPipe-SD-Fixtures-Finish-SDCertifiedView ↗
05/31/2022Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
05/31/2022Certified StandPipe-SD-Piping-Hydrostatic TestCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 138
DateRequirementInspectorRole
05/29/2026Public Assembly Emergency Lighting—progress
05/26/2026Public Assembly Emergency LightingMiltiadis Leptourgosprogress
06/05/2023HVAC insulation and sealing Miltiadis Leptourgosenergy_progress
06/05/2023Shutoff dampersMiltiadis Leptourgosenergy_progress
06/05/2023Electrical motorsMiltiadis Leptourgosenergy_progress
06/05/2023Energy Code Compliance InspectionsMiltiadis Leptourgosprogress
06/05/2023FinalMiltiadis Leptourgosprogress
06/05/2023HVAC and service water heating system controls Miltiadis Leptourgosenergy_progress
06/05/2023HVAC and service water heating equipment Miltiadis Leptourgosenergy_progress
06/05/2023Mechanical SystemsMiltiadis Leptourgosspecial
06/05/2023Fire-Resistant Penetrations and JointsMiltiadis Leptourgosspecial
06/05/2023Maintenance informationMiltiadis Leptourgosenergy_progress
03/08/2023FinalMiltiadis Leptourgosprogress
03/08/2023Fire-Resistant Penetrations and JointsMiltiadis Leptourgosspecial
03/08/2023HVAC and service water heating equipment Miltiadis Leptourgosenergy_progress
03/08/2023Mechanical SystemsMiltiadis Leptourgosspecial
03/08/2023Energy Code Compliance InspectionsMiltiadis Leptourgosprogress
03/08/2023HVAC insulation and sealing Miltiadis Leptourgosenergy_progress
03/08/2023HVAC and service water heating system controls Miltiadis Leptourgosenergy_progress
03/08/2023Shutoff dampersMiltiadis Leptourgosenergy_progress
03/08/2023Electrical motorsMiltiadis Leptourgosenergy_progress
03/08/2023Maintenance informationMiltiadis Leptourgosenergy_progress
07/26/2022Emergency and Standby Power Systems (Generator)Miltiadis Leptourgosspecial
07/26/2022Mechanical SystemsMiltiadis Leptourgosspecial
07/26/2022Chimneys and ventsMiltiadis Leptourgosspecial
Latest 25 of 138.
▾Documents — 269 on file (BIS + DOB NOW)
▸Plans & Drawings42
▸DOB NOWPlans/Sketch - Mechanical Systems11
08/27/2026Q00358398-P4Request digital key ↗
08/27/2026Q00358398-P3Request digital key ↗
08/27/2026Q00358398-I1Request digital key ↗
Showing 3 of 11 on file for this type
▸DOB NOWPlans/Sketch - Boiler Equipment5
08/26/2026Q00361905-I1Request digital key ↗
08/26/2026Q00361905-P3Request digital key ↗
Showing 2 of 5 on file for this type
▸DOB NOWPlans/Sketch - Structural5
08/26/2026Q00304531-P4Request digital key ↗
08/26/2026Q00304531-I1Request digital key ↗
Showing 2 of 5 on file for this type
▸DOB NOWPlans/Sketch - Sprinkler4
08/27/2026Q00303453-I1Request digital key ↗
08/27/2026Q00303453-P3Request digital key ↗
08/15/2026Q00303453-P2Request digital key ↗
Showing 3 of 4 on file for this type
▸DOB NOWPlans/Sketch - Plumbing4
08/27/2026Q00450146-I1Request digital key ↗
08/27/2026Q00450146-P3Request digital key ↗
Showing 2 of 4 on file for this type
▸DOB NOWPlans/Sketch - Standpipe4
08/27/2026Q00303453-I1Request digital key ↗
08/27/2026Q00303453-P3Request digital key ↗
08/15/2026Q00303453-P2Request digital key ↗
Showing 3 of 4 on file for this type
▸DOB NOWPlans/Sketch - Place of Assembly4
08/28/2026Q00388385-I1Request digital key ↗
08/28/2026Q00388360-P1Request digital key ↗
08/28/2026Q00388360-I1Request digital key ↗
Showing 3 of 4 on file for this type
▸DOB NOWPlans/Sketch - Sidewalk Shed2
08/27/2026Q00452348-I1Request digital key ↗
Showing 1 of 2 on file for this type
▸DOB NOWPlans/Sketch - Construction Fence2
08/28/2026Q00281516-I1Request digital key ↗
08/27/2026Q00419358-I1Request digital key ↗
▸DOB NOWPlans/Sketch1
08/27/2026Q00498300-I1Request digital key ↗
▸Applications & Permits9
▸BISPLAN / WORK APPROVAL APPLICATION8
11/21/2022421813416Open ↗
05/10/2021440640932Open ↗
04/27/2021440640932Open ↗
Showing 3 of 8 on file for this type
▸BISBPP-5 - Authorization to the Department of Transportation1
05/19/2022440640932Open ↗
▸Zoning, Tax Lot & Property Records3
▸BISTAX LOT: TENTATIVE LOT NUMBER ISSUED1
11/09/2022421813416Open ↗
▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1
11/09/2022421813416Open ↗
▸BISZONING EXHIBIT I: CERTIFICATION1
11/09/2022421813416Open ↗
▸Seals & Professional Certifications176
▸DOB NOWSpecial Inspector Seal & Signature87
09/23/2026Q00361905-I1Open ↗
09/23/2026Q00361905-I1Open ↗
09/23/2026Q00303453-P2Open ↗
Showing 3 of 87 on file for this type
▸DOB NOWProgress Inspector Seal & Signature50
09/23/2026Q00303453-P2Open ↗
09/18/2026Q00304911-P1Open ↗
09/18/2026Q00304911-P1Open ↗
Showing 3 of 50 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature37
08/28/2026Q00388385-I1Open ↗
08/28/2026Q00388385-P1Open ↗
08/28/2026Q00388360-P1Open ↗
Showing 3 of 37 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
10/28/2020440640932Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
10/28/2020440640932Open ↗
▸Safety & Tenant Protection1
▸BISSTREET TREE CHECKLIST1
10/29/2020440640932Open ↗
▸Environmental & Asbestos32
▸DOB NOWOER: Notice to Proceed30
08/26/2026Q00304531-I1Open ↗
08/26/2026Q00304531-P3Open ↗
08/26/2026Q00304531-P2Open ↗
Showing 3 of 30 on file for this type
▸BISENVIRONMENTAL RESTRICTIONS - OER NOTICE TO PROCEED1
10/28/2020440640932Open ↗
▸DOB NOWOER: Notice of Satisfaction1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Approvals, Objections & Sign-offs1
▸BISBPP-8 - Request Items for Builders Pavement Plan Signoff1
08/19/2022440640932Open ↗
▸Filing & Intake Forms3
▸BISEFILING JOB APPLICATION COVER SHEET1
10/28/2020440640932Open ↗
▸BISADDITIONAL INFORMATION1
10/29/2020440640932Open ↗
▸BISEFILING COVER SHEET1
11/21/2022421813416Open ↗
▸Other Documents2
▸BISRECORDS MGMT FEE PAYMENT RECEIPT1
11/16/2022421813416Open ↗
▸BISPLOT DIAGRAM1
11/09/2022421813416Open ↗