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Factory, industrial, miscellaneous
148 CLASSON AVENUE
BROOKLYN · BIN 3054626
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1950Year Built
2Stories
F9Building Class
M1-1Zoning
30,316 sfGross Floor Area
3Units
2 Open Violations ▸FDNY Report ↗
Factory, industrial, miscellaneous · Owner of record: 148 CLASSON LLC · 32,366 sf lot · 0.94 FAR built · Flood zone X
Locations of Work
MechanicalPlumbingFire Protection
Roof1p · 2 filings · 19 docs
Floor 12p · 2 filings · 20 docs
Mezzanine2p · 2 filings · 20 docs
4 jobs · most recent 12/12/2025
General Wiring
FiledStatusContractorScope
12/12/2025CompleteASCUATECH ELECTRICAL CORPGeneral Wiring
03/18/2021CompleteZEREM ELECTRIC CORP.General Wiring
11/30/2020CompleteZEREM ELECTRIC CORP.General Wiring
08/06/2020CompleteV. VASS ELECTRIC CORP—
Building Lifecycle
All (103)Filed (9)Permit Issued (8)Signed Off (5)Violation (60)Inspection (4)Objection (2)Special Inspection (15)
07/10/2025
Signed off — Alteration
INSTALLATION OF NEW DRY SPRINKLER VALVES, PIPING AND HEADS FROM EXISTING SPRINKLER SERVICE. FILED IN CONJUNCTION WITH ALT1 #321456722. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00479744-I1
06/27/2025
Signed off — Alteration
NEW GAS PIPING FOR RTU UNITS ON ROOF. MECHANICAL SYSTEMS FILED UNDER B00611434. FILED IN CONJUNCTION WITH ALT1 321456722. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00611391-I1
06/27/2025
Signed off — Alteration
NEW MECHANICAL SYSTEMS CONSISTING OF PACKAGED ROOFTOP AC UNITS AND ASSOCIATED DUCTWORK. FILED IN CONJUNCTIOn WITH ALT 1 APPLICATION 321456722. ALL GAS PIPING FILED UNDER B00611391. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00611434-I1
06/24/2025
Permit issued — Sprinklers
B00479744-I1-EW-SP
06/23/2025
Permit issued — Mechanical Systems
B00611434-I1-MS
06/17/2025
Special inspection requirement — Sprinkler Systems
David Katz
06/16/2025
Filed — Alteration
INSTALLATION OF NEW DRY SPRINKLER VALVES, PIPING AND HEADS FROM EXISTING SPRINKLER SERVICE. FILED IN CONJUNCTION WITH ALT1 #321456722. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00479744-P1
06/16/2025
Objection resolved — Addressed
06/16/2025
Special inspection requirement — Mechanical Systems
David Katz
06/16/2025
Special inspection requirement — Final
David Katz
06/16/2025
Special inspection requirement — HVAC-R and service water heating system controls
David Katz
06/16/2025
Special inspection requirement — HVAC-R and service water heating equipment
David Katz
06/16/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
David Katz
06/16/2025
Special inspection requirement — Maintenance information
David Katz
06/13/2025
Objection raised — Mechanical
06/09/2025
Filed — Alteration
NEW MECHANICAL SYSTEMS CONSISTING OF PACKAGED ROOFTOP AC UNITS AND ASSOCIATED DUCTWORK. FILED IN CONJUNCTIOn WITH ALT 1 APPLICATION 321456722. ALL GAS PIPING FILED UNDER B00611391. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00611434-P1
06/09/2025
Filed — Alteration
NEW GAS PIPING FOR RTU UNITS ON ROOF. MECHANICAL SYSTEMS FILED UNDER B00611434. FILED IN CONJUNCTION WITH ALT1 321456722. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00611391-P1
05/29/2025
Special inspection requirement — Sprinkler Systems
David Katz
05/29/2025
Special inspection requirement — Mechanical Systems
David Katz
05/29/2025
Special inspection requirement — Final
David Katz
05/29/2025
Special inspection requirement — Maintenance information
David Katz
05/29/2025
Special inspection requirement — HVAC-R and service water heating equipment
David Katz
05/29/2025
Special inspection requirement — HVAC-R and service water heating system controls
David Katz
05/29/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
David Katz
01/09/2024
Signed off — Alteration
INSTALLATION OF SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B00380303-I1
12/29/2022
Signed off — Alteration
INSTALLATION OF TEMPORARY PIPE SCAFFOLDING AS PER PLANS, NO CHANGE IN USE, EGRESS OR OCCUPANCY, SHALL COMPLY WITH CHAPTER 33 OF NYC BUILDING CODE OF 2014.
B00511163-I1
12/22/2022
Permit issued — Sidewalk Shed
B00380303-I1-SH
12/06/2022
Permit issued — Supported Scaffold
B00511163-I1-SF
11/16/2022
Violation issued (ECB, closed)
Construction
11/16/2022
Violation issued (ECB, closed)
Construction
03/01/2022
Violation issued (ECB, closed)
Construction
03/01/2022
Violation issued (ECB, closed)
Construction
03/01/2022
Violation issued (ECB, closed)
Construction
01/04/2022
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
12/29/2021
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
11/30/2021
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
11/23/2021
Permit issued — Plumbing
B00611391-I1-PL
11/19/2021
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
11/11/2021
Filed — Alteration
NEW MECHANICAL SYSTEMS CONSISTING OF PACKAGED ROOFTOP AC UNITS AND ASSOCIATED DUCTWORK. FILED IN CONJUNCTIOn WITH ALT 1 APPLICATION 321456722. ALL GAS PIPING FILED UNDER B00611391. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00611434-I1
11/04/2021
Permit issued — Plumbing
B00611391-I1-PL
10/19/2021
Violation issued (ECB, closed)
Construction
10/19/2021
Violation issued (ECB, closed)
Construction
10/19/2021
Violation issued (ECB, closed)
Construction
10/19/2021
Violation issued (ECB, closed)
Construction
10/15/2021
Filed — Alteration
NEW GAS PIPING FOR RTU UNITS ON ROOF. MECHANICAL SYSTEMS FILED UNDER B00611434. FILED IN CONJUNCTION WITH ALT1 321456722. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00611391-I1
09/25/2021
Violation issued (ECB, closed)
Construction
09/25/2021
Violation issued (ECB, closed)
Construction
09/09/2021
Violation issued (ECB, closed)
Construction
09/09/2021
Violation issued (ECB, closed)
Construction
09/09/2021
Violation issued (ECB, closed)
Construction
09/09/2021
Violation issued (ECB, closed)
Construction
08/18/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/18/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/06/2021
Violation issued (ECB, closed)
Construction
08/06/2021
Violation issued (ECB, closed)
Construction
07/24/2021
Violation issued (ECB, closed)
Construction
07/24/2021
Violation issued (ECB, closed)
Construction
07/24/2021
Violation issued (ECB, closed)
Construction
07/24/2021
Violation issued (ECB, closed)
Construction
07/21/2021
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
Latest 60 of 103 events.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
148 CLASSON4207/08/2026
OWNERS REP503/22/2026
AQ UPSCALE CONSTRUCTION4003/22/2026
AQ UPSCALE CONSTRUCTION 1203/22/2026
092521CSPOTH06103/22/2026
GALCON ENTERPRISES203/22/2026
UNIPLAST CORP203/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ANDREW KATZ ENGINEERS606/16/2025
FL&M ENGINEERING DESIGN &INSPECTION104/29/2021
PAUL PERDEK, PROF. ENG. PLLC204/21/2021
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
DAVID HOFFMAN403/21/2026
GREEN STUDIO203/21/2026
AE DESIGN SOLUTION403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
CORE SCAFFOLD SYSTEMS INC.General Contractor603/21/2026
TRI CITY MECHANICAL GROUP CORPPlumbing503/22/2026
MANHATTAN D ENTERPRISESGeneral Contractor303/21/2026
ASCUATECH ELECTRICAL CORP 004563General Contractor203/22/2026
SAFETY PLMBG & HTG LLCPlumbing107/08/2026
ZEREM ELECTRIC CORP.Electrical103/22/2026
VERRAZANO PLMBG CONT INCPlumbing107/08/2026
CAPITOL FIRE SPRINKLER COFire Protection107/08/2026
TRISTATE FIRE SPRINK INCFire Protection107/08/2026
VOLVY'S MANAGEMENT CORPGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
DAVID KATZ, P.E.6087406/16/2025
MJ ENGINEERING & DESIGN5546104/29/2021
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSprinklersSigned-offTRISTATE FIRE SPRINK INC06/24/2025
DOB NOWMechanical SystemsSigned-offVOLVY'S MANAGEMENT CORP06/23/2025
DOB NOWSidewalk ShedSigned-offCORE SCAFFOLD SYSTEMS INC12/22/2022
DOB NOWSupported ScaffoldSigned-offMANHATTAN D ENTERPRISES12/06/2022
DOB NOWPlumbingSigned-offVERRAZANO PLMBG CONT INC11/23/2021
DOB NOWPlumbingSigned-offGABI HELD11/04/2021
DOB NOWSprinklersSigned-offCAPITOL FIRE SPRINKLER CO03/24/2021
DOB NOWSidewalk ShedSigned-offCORE SCAFFOLD SYSTEMS INC08/05/2020
BISPLISSUEDTRI CITY MECHANICAL GROUP CORP07/31/2025
BIS—ISSUEDVOLVY'S MANAGEMENT CORP03/28/2025
BISEQISSUEDVOLVY'S MANAGEMENT CORP03/13/2025
BIS—ISSUEDAQ UPSCALE CONSTRUCTION I03/11/2021
BISEQISSUEDAQ UPSCALE CONSTRUCTION I11/12/2020
BIS—ISSUEDAQ UPSCALE CONSTRUCTION I10/16/2020
BIS—ISSUEDAQ UPSCALE CONSTRUCTION I07/08/2020
BIS—ISSUEDAQ UPSCALE CONSTRUCTION I02/13/2020
BISEQISSUEDAQ UPSCALE CONSTRUCTION I12/04/2019
BIS—ISSUEDMALTA BUILDERS CORP03/02/2017
BISEQISSUEDMALTA BUILDERS CORP12/22/2016
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
01/04/2022Pass-Final PL - Up to 3 Requested FloorsPassView ↗
12/29/2021Fail-Final PL - Up to 3 Requested FloorsFailView ↗
11/30/2021Fail-Final PL - Up to 3 Requested FloorsFailView ↗
11/19/2021Fail-Final PL - Up to 3 Requested FloorsFailView ↗
▾Special Inspection Requirements (DOB NOW) — 15
DateRequirementInspectorRole
06/17/2025Sprinkler SystemsDavid Katzspecial
06/16/2025Mechanical SystemsDavid Katzspecial
06/16/2025FinalDavid Katzprogress
06/16/2025HVAC-R and service water heating system controlsDavid Katzenergy_progress
06/16/2025HVAC-R and service water heating equipmentDavid Katzenergy_progress
06/16/2025HVAC-R and service water piping design and insulationDavid Katzenergy_progress
06/16/2025Maintenance informationDavid Katzenergy_progress
05/29/2025Sprinkler SystemsDavid Katzspecial
05/29/2025Mechanical SystemsDavid Katzspecial
05/29/2025FinalDavid Katzprogress
05/29/2025Maintenance informationDavid Katzenergy_progress
05/29/2025HVAC-R and service water heating equipmentDavid Katzenergy_progress
05/29/2025HVAC-R and service water heating system controlsDavid Katzenergy_progress
05/29/2025HVAC-R and service water piping design and insulationDavid Katzenergy_progress
04/30/2021Post-installed AnchorsMagdy Youssefspecial
▾Documents — 120 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch7
09/01/2026B00479744-P1Request digital key ↗
09/01/2026B00479744-I1Request digital key ↗
09/01/2026B00511163-I1Request digital key ↗
Showing 3 of 7 on file for this type
▸DOB NOWPlans/Sketch - Sidewalk Shed2
09/02/2026B00380303-I1Request digital key ↗
08/15/2026B00380303-P1Request digital key ↗
▸Applications & Permits22
▸BISWORK PERMIT APPLICATION12
07/31/2025321456722Open ↗
03/31/2025321456722Open ↗
03/20/2025321456722Open ↗
Showing 3 of 12 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION8
08/20/2025321456722Open ↗
08/12/2025321456722Open ↗
04/15/2021321456722Open ↗
Showing 3 of 8 on file for this type
▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1
09/15/2025321456722Open ↗
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION1
05/02/2017321456722Open ↗
▸Zoning, Tax Lot & Property Records5
▸BISZONING DIAGRAM2
05/12/2021321456722Open ↗
12/02/2016321456722Open ↗
▸BISVERIFY TAX LOT1
12/03/2025321456722Open ↗
▸BISADDRESS: NEW HOUSE NUMBER APPROVED1
11/18/2016321456722Open ↗
▸BISCO OBJ: VERIFY ADDRESS-TOPO STAMP1
09/02/2025321456722Open ↗
▸Seals & Professional Certifications19
▸DOB NOWDPL-1: Design Professional Seal & Signature9
09/01/2026B00479744-I1Open ↗
09/01/2026B00479744-P1Open ↗
09/01/2026B00611391-P1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
09/01/2026B00479744-I1Open ↗
08/28/2026B00611434-P1Open ↗
08/28/2026B00611434-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWProgress Inspector Seal & Signature4
08/28/2026B00611434-P1Open ↗
08/28/2026B00611434-P1Open ↗
08/28/2026B00611434-I1Open ↗
Showing 3 of 4 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
12/27/2016321456722Open ↗
▸Trade Schedules & Equipment5
▸BISSCHEDULE B - PLUMBING4
08/12/2025321456722Open ↗
04/15/2021321456722Open ↗
04/08/2021321456722Open ↗
Showing 3 of 4 on file for this type
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
11/21/2016321456722Open ↗
▸Safety & Tenant Protection1
▸BISSTREET TREE CHECKLIST1
11/18/2016321456722Open ↗
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report6
09/01/2026B00479744-I1Open ↗
09/01/2026B00479744-P1Open ↗
09/01/2026B00611391-P1Open ↗
Showing 3 of 6 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
11/18/2016321456722Open ↗
▸Energy Compliance14
▸BISFENESTRATION AIR LEAKAGE1
08/28/2025321456722Open ↗
▸BISAIR SEALING AND INSULATION - VISUAL1
08/28/2025321456722Open ↗
▸BISINTERIOR LIGHTING POWER1
08/28/2025321456722Open ↗
▸BISFENESTRATION U-FACTOR & PRODUCT RATING1
08/28/2025321456722Open ↗
▸BISFENESTRATION AREAS1
08/28/2025321456722Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
03/18/2021321456722Open ↗
▸BISINSULATION PLACEMENT & R VALUES1
08/28/2025321456722Open ↗
▸BISENERGY CODE COMPLIANCE INSPECTIONS1
08/28/2025321456722Open ↗
▸BISLIGHTING CONTROLS1
08/28/2025321456722Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
11/18/2016321456722Open ↗
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
09/02/2025321456722Open ↗
▸BISELECTRICAL ENERGY CONSUMPTION1
08/28/2025321456722Open ↗
▸BISEXTERIOR LIGHTING POWER1
08/28/2025321456722Open ↗
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026B00611434-I1Open ↗
▸Inspections & Test Reports13
▸BISCONCRETE - CAST-IN-PLACE1
08/28/2025321456722Open ↗
▸BISTR2: CONCRETE FIELD TESTING TECHNICAL REPORT1
08/29/2025321456722Open ↗
▸BISSTRUCTURAL STEEL - DETAILS1
08/28/2025321456722Open ↗
▸BISSTRUCTURAL STABILITY - ALTERATIONS OF EXISTING BUILDINGS1
08/28/2025321456722Open ↗
▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1
08/28/2025321456722Open ↗
▸BISFIRE-RESISTIVE RATED CONSTRUCTION1
08/28/2025321456722Open ↗
▸BISMASONRY1
08/28/2025321456722Open ↗
▸BISSTRUCTURAL STEEL - HIGH STRENGTH BOLTING1
08/28/2025321456722Open ↗
▸BISSPRAYED FIRE-RESISTANT MATERIALS1
08/28/2025321456722Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY1
03/18/2021321456722Open ↗
▸BISSTRUCTURAL STEEL - WELDING1
08/28/2025321456722Open ↗
▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER1
03/18/2021321456722Open ↗
▸BISMECHANICAL SYSTEMS1
08/28/2025321456722Open ↗
▸Approvals, Objections & Sign-offs6
▸BISSCHEDULE A - OCCUPANCY / USE5
08/20/2025321456722Open ↗
08/12/2025321456722Open ↗
04/15/2021321456722Open ↗
Showing 3 of 5 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION1
03/18/2021321456722Open ↗
▸Cost, Insurance & Ownership7
▸BISPROJECT-SPECIFIC GL INSURANCE4
03/31/2025321456722Open ↗
07/08/2020321456722Open ↗
02/20/2020321456722Open ↗
Showing 3 of 4 on file for this type
▸BISCOST AFFIDAVIT1
11/18/2016321456722Open ↗
▸BISCOST AFFIDAVIT (FINAL): PW31
10/07/2025321456722Open ↗
▸BISAcord 25 (Acord Certificate of Liability Insurance)1
02/28/2017321456722Open ↗
▸Filing & Intake Forms9
▸BISADDITIONAL INFORMATION8
05/11/2021321456722Open ↗
04/28/2021321456722Open ↗
03/25/2021321456722Open ↗
Showing 3 of 8 on file for this type
▸BISEFILING COVER SHEET1
11/21/2016321456722Open ↗
▸Other Documents3
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1
05/17/2021321456722Open ↗
▸BISSTRUCTURAL COLD-FORMED STEEL1
08/28/2025321456722Open ↗
▸BISPLOT DIAGRAM1
11/18/2016321456722Open ↗