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Office with commercial, 1-6 stories
21-01 51 AVENUE
QUEENS · BIN 4000535
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1913Year Built
3Stories
O5Building Class
M3-2Zoning
45,977 sfGross Floor Area
3Units
LL97 Covered0 Open Violations
Office with commercial, 1-6 stories · Owner of record: MARTIAL ENTERPRISES INC · 18,766 sf lot · 2.45 FAR built · Flood zone AE
Locations of Work
ArchitectureMechanical
Roof1p · 1 filing · 6 docs
Floor 330p · 2 filings · 20 docs
Floor 229p · 1 filing · 20 docs
Floor 129p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
KAUFMAN MANAGEMENT COMPANY2807/08/2026
T-MOBILE403/22/2026
MARTIAL ENTERPRISES IN1303/22/2026
51 AVE LIC2803/21/2026
MARIAL ENTERPRISES103/21/2026
▾Design Consultants (Architect / Engineer of Record)
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
PAUL FUSCO CONSULTING1003/21/2026
LOUIS STRIAR403/21/2026
CONSTRUCTION PERMIT SERVICES203/21/2026
MUNICIPAL BUILDING CONSULTANTS103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
HIRSCH CONSTRUCTION CORPGeneral Contractor507/08/2026
WATCH HILL WIRELESS SOLUGeneral Contractor303/21/2026
ACTIVE SIGNSScaffold207/08/2026
BRIGGS SERVICES LLCGeneral Contractor104/09/2026
BLUEWATER PLBG& HTG INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
JACK GREEN ASSOCIATES422108/19/2025
OUTSOURCE SPECIAL INSPECT2827308/02/2023
GRANT ENGINEERING CONSULT3512201/23/2023
Building Lifecycle
All (73)Filed (10)Permit Issued (8)Signed Off (7)Violation (32)Inspection (3)Special Inspection (13)
12/19/2025
Signed off — Alteration
MECHANICAL WORK AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
Q01237296-I1
08/21/2025
Permit issued — Mechanical Systems
Q01237296-I1-MS
08/19/2025
Filed — Alteration
MECHANICAL WORK AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
Q01237296-I1
11/16/2023
Signed off — Alteration CO
INTERIOR ALTERATION OF EXISTING RETAIL SPACE ON 1ST FLOOR. SCOPE OF WORK INCLUDES DUCTWORK AND NEW AIR CURTAIN AND EXHAUST FANS
Q00825743-S1
11/16/2023
Signed off — Alteration CO
INTERIOR ALTERATION OF EXISTING RETAIL SPACE ON 1ST FLOOR. SCOPE OF WORK INCLUDES DUCTWORK AND NEW AIR CURTAIN AND EXHAUST FANS
Q00825743-S3
11/16/2023
Signed off — Alteration CO
INTERIOR ALTERATION OF EXISTING RETAIL SPACE ON 1ST FLOOR. SCOPE OF WORK INCLUDES DUCTWORK AND NEW AIR CURTAIN AND EXHAUST FANS
Q00825743-S2
09/15/2023
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
08/10/2023
Special inspection requirement — Lighting controls
JONAR MADRIAGA
08/10/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
JONAR MADRIAGA
08/10/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
JONAR MADRIAGA
08/10/2023
Special inspection requirement — Interior lighting power
JONAR MADRIAGA
08/02/2023
Filed — Alteration CO
INTERIOR ALTERATION OF EXISTING RETAIL SPACE ON 1ST FLOOR. SCOPE OF WORK INCLUDES DUCTWORK AND NEW AIR CURTAIN AND EXHAUST FANS
Q00825743-P2
07/19/2023
Signed off — Alteration
ILLUMINATED NON-ADVERTISING ACCESSORY WALL SIGN - ANN SACKS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
Q00861903-I1
07/19/2023
Signed off — Alteration
NON-ILLUMINATED NON-ADVERTISING ACCESSORY WALL SIGN - IN PROPERTY LINES - ANN SACKS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
Q00861904-I1
06/30/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
06/30/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
06/20/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
06/20/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/17/2023
Permit issued — Sign
Q00861904-I1-SG
05/17/2023
Permit issued — Sign
Q00861903-I1-SG
04/28/2023
Filed — Alteration
ILLUMINATED NON-ADVERTISING ACCESSORY WALL SIGN - ANN SACKS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
Q00861903-I1
04/28/2023
Filed — Alteration
NON-ILLUMINATED NON-ADVERTISING ACCESSORY WALL SIGN - IN PROPERTY LINES - ANN SACKS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
Q00861904-I1
04/28/2023
Special inspection requirement — Final
MOHAMMAD AHEAD
04/28/2023
Special inspection requirement — Final
MOHAMMAD AHEAD
04/27/2023
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
04/25/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
04/21/2023
Inspection — Fail-Final PL - Underground
Fail
View inspection ↗
04/14/2023
Permit issued — General Construction
Q00825743-I1-GC
03/29/2023
Permit issued — Construction Fence
Q00825743-S3-FN
03/28/2023
Filed — Alteration CO
INTERIOR ALTERATION OF EXISTING RETAIL SPACE ON 1ST FLOOR. SCOPE OF WORK INCLUDES DUCTWORK AND NEW AIR CURTAIN AND EXHAUST FANS
Q00825743-S3
03/23/2023
Permit issued — Plumbing
Q00825743-S1-PL
03/22/2023
Permit issued — Mechanical Systems
Q00825743-S2-MS
03/16/2023
Filed — Alteration CO
INTERIOR ALTERATION OF EXISTING RETAIL SPACE ON 1ST FLOOR. SCOPE OF WORK INCLUDES DUCTWORK AND NEW AIR CURTAIN AND EXHAUST FANS
Q00825743-S1
03/16/2023
Filed — Alteration CO
INTERIOR ALTERATION OF EXISTING RETAIL SPACE ON 1ST FLOOR. SCOPE OF WORK INCLUDES DUCTWORK AND NEW AIR CURTAIN AND EXHAUST FANS
Q00825743-S2
03/10/2023
Filed — Alteration CO
INTERIOR ALTERATION OF EXISTING RETAIL SPACE ON 1ST FLOOR. SCOPE OF WORK INCLUDES DUCTWORK AND NEW AIR CURTAIN AND EXHAUST FANS
Q00825743-I1
03/10/2023
Special inspection requirement — HVAC-R and service water heating equipment
JONAR MADRIAGA
03/10/2023
Special inspection requirement — HVAC-R and service water heating system controls
JONAR MADRIAGA
03/10/2023
Special inspection requirement — Final
JONAR MADRIAGA
03/10/2023
Special inspection requirement — Mechanical Systems
JONAR MADRIAGA
03/10/2023
Special inspection requirement — Maintenance information
JONAR MADRIAGA
03/10/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
JONAR MADRIAGA
03/10/2023
Special inspection requirement — Maintenance information
JONAR MADRIAGA
02/03/2023
Signed off — Alteration
Decommission of existing Sprint site. Remove antennas and equipment from the roof. Service connection in basement. Initial installation approved under application #400661814. Conduit run from the parapet to the electrical room to remain
Q00741407-I1
01/23/2023
Filed — Alteration
Decommission of existing Sprint site. Remove antennas and equipment from the roof. Service connection in basement. Initial installation approved under application #400661814. Conduit run from the parapet to the electrical room to remain
Q00741407-P1
06/09/2022
Permit issued — Antenna
Q00741407-I1-AN
06/07/2022
Filed — Alteration
Decommission of existing Sprint site. Remove antennas and equipment from the roof. Service connection in basement. Initial installation approved under application #400661814. Conduit run from the parapet to the electrical room to remain
Q00741407-I1
04/29/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
04/04/2019
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
04/04/2019
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
11/14/2016
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/03/2015
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/31/2014
Violation issued (ECB, closed)
Construction
02/19/2014
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
01/18/2012
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
10/31/2008
Violation issued (ECB, closed)
Elevators
08/28/2007
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
10/02/2006
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
01/04/2005
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
03/08/2001
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
07/28/2000
Violation issued (DOB, closed)
V*-DOB VIOLATION - Resolved
Latest 60 of 73 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offBRIGGS SERVICES LLC08/21/2025
DOB NOWSignSigned-offACTIVE SIGNS INC05/17/2023
DOB NOWSignSigned-offACTIVE SIGNS INC05/17/2023
DOB NOWGeneral ConstructionPermit IssuedHIRSCH CONSTRUCTION CORP04/14/2023
DOB NOWConstruction FenceSigned-offHIRSCH CONSTRUCTION CORP03/29/2023
DOB NOWPlumbingSigned-offBLUEWATER PLBG& HTG INC03/23/2023
DOB NOWMechanical SystemsSigned-offHIRSCH CONSTRUCTION CORP03/22/2023
DOB NOWAntennaSigned-offWATCH HILL WIRELESS SOLU06/09/2022
BISOTISSUEDBBM DEVELOPMENT INC11/14/2019
BISOTISSUEDBBM DEVELOPMENT INC11/14/2019
BISOTISSUEDBBM DEVELOPMENT INC05/02/2019
BISOTISSUEDWA CONTRACTING CORP03/21/2019
BISOTISSUEDBBM DEVELOPMENT INC01/30/2019
BISPLISSUEDIMPACT PLUMBING INC01/16/2019
BISOTISSUEDBURA CONSTRUCTION CORP01/09/2019
BISOTISSUEDBBM DEVELOPMENT INC12/17/2018
BISPLISSUEDIMPACT PLUMBING INC11/21/2018
BISOTISSUEDBBM DEVELOPMENT INC11/19/2018
BISOTISSUEDBBM DEVELOPMENT INC09/20/2018
BISOTISSUEDTHE METRO GROUP, INC09/04/2018
BISOTISSUEDFIVE STAR CARTING LLC08/28/2018
BISOTISSUEDJ.A. LEE ELECTRIC INC04/02/2015
BISOTISSUEDZIAUR BHUIYAN05/20/2014
BISMHISSUEDJOHNSON CONTROLS INC05/20/2013
BISBLISSUEDMETRO FUEL OIL CORP04/02/2004
BISOTISSUEDNEW YORK SIGN ERECTORS04/28/2000
BIS—ISSUEDNEW YORK SIGN ERECTORS04/19/2000
BIS—ISSUEDNEW YORK SIN ERECTORS04/19/2000
BISOTISSUEDBERLINER COMMUNICATIONS,INC07/07/1999
BISOTISSUEDCLEAR COMMUNICATIONS02/18/1999
BISOTISSUEDCOMMUNICATIONS DEVELOPMENT SYT02/03/1997
BISMHISSUEDROBERT H. MCDERMOTT11/30/1989
1 project · most recent 08/02/2023
Others
FiledStatusContractorScopeMake / Model / Capacity
08/02/2023Permit IssuedHIRSCH CONSTRUCTION CORPOthers
Other
Greenheck SP-A50-90VG-QD 75 CFM · Exhaust Fan ×2
Berner ALC08-1072EJ-112-CC 2,072 CFM · Air Curtain ×1
1 project · most recent 08/02/2023
Water/Sanitary
FiledStatusContractorScope
08/02/2023Signed-offBLUEWATER PLBG& HTG INCWater/Sanitary
5 projects · most recent 01/21/2025
General Wiring
FiledStatusContractorScope
01/21/2025Permit IssuedE-J ELEC. INSTALLATION CO—
03/29/2023CompleteACCURATE ELEC'L CONTR'S CGeneral Wiring
11/15/2022CompleteCENTENNIAL ELEVATOR INDUSGeneral Wiring
02/25/2021CompleteSALVATORE CAMPISI & SONSGeneral Wiring
02/25/2021CompleteSALVATORE CAMPISI & SONS—
1 project · most recent 08/02/2023
Fence
FiledStatusContractorScope
08/02/2023Permit IssuedHIRSCH CONSTRUCTION CORPFence
▾Field Inspections (DOB CAP) — 3
DateTypeResultReport
09/15/2023Pass-Final CND-Occupancy InspectionPassView ↗
04/27/2023Pass-Final PL - Up to 3 Requested FloorsPassView ↗
04/21/2023Fail-Final PL - UndergroundFailView ↗
▾Special Inspection Requirements (DOB NOW) — 13
DateRequirementInspectorRole
08/10/2023Lighting controlsJONAR MADRIAGAenergy_progress
08/10/2023Fire-Resistant Penetrations and JointsJONAR MADRIAGAspecial
08/10/2023Structural Stability – Alterations of existing buildingsJONAR MADRIAGAspecial
08/10/2023Interior lighting powerJONAR MADRIAGAenergy_progress
04/28/2023FinalMOHAMMAD AHEADprogress
04/28/2023FinalMOHAMMAD AHEADprogress
03/10/2023HVAC-R and service water heating equipmentJONAR MADRIAGAenergy_progress
03/10/2023HVAC-R and service water heating system controlsJONAR MADRIAGAenergy_progress
03/10/2023FinalJONAR MADRIAGAprogress
03/10/2023Mechanical SystemsJONAR MADRIAGAspecial
03/10/2023Maintenance informationJONAR MADRIAGAenergy_progress
03/10/2023HVAC-R and service water piping design and insulationJONAR MADRIAGAenergy_progress
03/10/2023Maintenance informationJONAR MADRIAGAenergy_progress
▾Documents — 349 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/25/2026Q00741407-P1Request digital key ↗
08/25/2026Q00741407-I1Request digital key ↗
08/25/2026Q00825743-P2Request digital key ↗
Showing 3 of 9 on file for this type
▸Applications & Permits63
▸BISPLAN / WORK APPROVAL APPLICATION49
12/30/2021421688276Open ↗
01/07/2021401026661Open ↗
12/30/2020401026661Open ↗
Showing 3 of 49 on file for this type
▸BISWORK PERMIT APPLICATION14
07/31/2019421934250Open ↗
07/16/2019421892759Open ↗
05/10/2019421738800Open ↗
Showing 3 of 14 on file for this type
▸Zoning, Tax Lot & Property Records5
▸BISFLOOD ZONE COMPLIANCE3
03/16/2023421688276Open ↗
07/18/2020421934250Open ↗
07/18/2020421892759Open ↗
▸BISFLOOD ZONE DESIGN CERTIFICATION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026Q00825743-I1Open ↗
▸Seals & Professional Certifications66
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION21
07/16/2020421680247Open ↗
09/30/2019440505534Open ↗
07/31/2019421934250Open ↗
Showing 3 of 21 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT11
06/10/2019421934250Open ↗
04/19/2019421738800Open ↗
02/07/2019421726975Open ↗
Showing 3 of 11 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature10
08/25/2026Q00741407-P1Open ↗
08/25/2026Q00741407-I1Open ↗
08/13/2026Q00825743-P2Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWProgress Inspector Seal & Signature10
09/01/2026Q00825743-S2Open ↗
09/01/2026Q00825743-S2Open ↗
09/01/2026Q00825743-S2Open ↗
Showing 3 of 10 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST9
06/10/2019421934250Open ↗
04/19/2019421738800Open ↗
02/07/2019421726975Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature3
09/01/2026Q00825743-S2Open ↗
08/27/2026Q00825743-I1Open ↗
08/27/2026Q00825743-I1Open ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Trade Schedules & Equipment14
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE5
02/19/2019421892759Open ↗
02/05/2019421691752Open ↗
02/01/2019421691752Open ↗
Showing 3 of 5 on file for this type
▸BISEQUIPMENT USE APPLICATION/PERMIT4
10/19/2020421934250Open ↗
08/31/2020421934250Open ↗
Showing 2 of 4 on file for this type
▸BISEQUIPMENT USE PERMITS3
10/19/2020421934250Open ↗
08/31/2020421934250Open ↗
Showing 2 of 3 on file for this type
▸BISSTANDPIPE SYSTEMS1
09/02/2020421892759Open ↗
▸BISFA - FDNY APPROVAL : FD-FAA1
03/24/2023421688276Open ↗
▸Safety & Tenant Protection2
▸DOB NOWStreet Tree Checklist2
08/13/2026Q00825743-P2Open ↗
08/13/2026Q00825743-I1Open ↗
▸Environmental & Asbestos26
▸DOB NOWDEP ACP-5: Asbestos Assessment Report10
08/25/2026Q00741407-I1Open ↗
08/25/2026Q00741407-P1Open ↗
08/13/2026Q00825743-S1Open ↗
Showing 3 of 10 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)7
03/18/2019421726975Open ↗
01/29/2019421932500Open ↗
Showing 2 of 7 on file for this type
▸BISASBESTOS: COMPLETION OR CLOSEOUT (ACP20/21/5)6
07/31/2019421934250Open ↗
07/31/2019421934250Open ↗
07/31/2019421934250Open ↗
Showing 3 of 6 on file for this type
▸BISDEP ASBESTOS PROJECT COMPLETION FORM1
05/10/2019421738800Open ↗
▸BISACP5 ASBESTOS: CERTIFICATION (DEP ACP5)1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Energy Compliance34
▸BISAS-BUILT ENERGY ANALYSIS13
08/26/2020421726975Open ↗
08/19/2020421726975Open ↗
08/19/2020421717173Open ↗
Showing 3 of 13 on file for this type
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS11
09/30/2019440505534Open ↗
04/19/2019421738800Open ↗
02/07/2019421726975Open ↗
Showing 3 of 11 on file for this type
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY8
08/26/2020421726975Open ↗
08/19/2020421726975Open ↗
08/19/2020421717173Open ↗
Showing 3 of 8 on file for this type
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISTR8: Energy Code Progress Inspections1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Inspections & Test Reports24
▸BISTECHNICAL REPORT: RESPONSIBILITY23
12/23/2020421892759Open ↗
12/16/2020421892759Open ↗
11/05/2020401053836Open ↗
Showing 3 of 23 on file for this type
▸BISHYDRO FLOW TEST LETTER1
03/08/2019421892759Open ↗
▸Approvals, Objections & Sign-offs25
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST16
06/08/2023421688276Open ↗
12/28/2020421892759Open ↗
11/05/2020401053836Open ↗
Showing 3 of 16 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION4
12/01/2020401026661Open ↗
12/01/2020401026661Open ↗
02/01/2019421691752Open ↗
Showing 3 of 4 on file for this type
▸BISADMINISTRATIVE OBJECTIONS3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸BISOIL TANK REMOVAL CERT : LETTER-FO2
10/09/2019440505534Open ↗
10/09/2019440505534Open ↗
▸Cost, Insurance & Ownership37
▸BISCOST AFFIDAVIT33
03/16/2023421688276Open ↗
03/16/2023421688276Open ↗
12/16/2020421892759Open ↗
Showing 3 of 33 on file for this type
▸BISDEPT OF FINANCE VERIFICATION3
12/14/2020420984894Open ↗
12/14/2020420984894Open ↗
12/01/2020401026661Open ↗
▸BISCOST AFFIDAVIT (FINAL): PW31
03/16/2023421688276Open ↗
▸Filing & Intake Forms41
▸BISADDITIONAL INFORMATION21
06/07/2023421688276Open ↗
12/17/2020421892759Open ↗
08/25/2020421726975Open ↗
Showing 3 of 21 on file for this type
▸BISEFILING COVER SHEET12
06/10/2019421934250Open ↗
04/19/2019421738800Open ↗
02/19/2019421892759Open ↗
Showing 3 of 12 on file for this type
▸BISBOROUGH INTAKE FORM7
11/25/2020420984894Open ↗
11/12/2020421688276Open ↗
04/22/2020421932500Open ↗
Showing 3 of 7 on file for this type
▸BISEFILING JOB APPLICATION COVER SHEET1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Other Documents3
▸DOB NOWProperty Ownership Certification2
08/13/2026Q00825743-I1Open ↗
08/13/2026Q00825743-P2Open ↗
▸DOB NOWFinal Survey1
08/13/2026Q00825743-I1Open ↗