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Primarily 4 family with 1 store or office
242 KNICKERBOCKER AVENUE
BROOKLYN · BIN 3072736
💬 Discuss this project
1931Year Built
3Stories
S4Building Class
R6Zoning
4,125 sfGross Floor Area
5Units
Rent Stabilized9 Open Violations ▸FDNY Report ↗
Primarily 4 family with 1 store or office · Owner of record: 242 KNICKERBOCKER LLC · 2,375 sf lot · 1.74 FAR built · Flood zone X
Locations of Work
ArchitectureElectricalMechanicalPlumbingFire ProtectionLandscape
Permit Issued — active, not yet Signed-off
RoofUnder Construction22p · 2 filings · 20 docs
Floor 316p · 1 filing · 20 docs
Floor 217p · 1 filing · 20 docs
Floor 1
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
AYAT1704/09/2026
242 KNICKERBOCKER LLC703/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/28/2023$2.3M—— → —$558/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
AZ PROFESSIONAL ENGINEERING PC501/26/2026
BASIC GROUPS CORP1201/13/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
92 DESIGN1003/21/2026
BASIC GROUPS2003/21/2026
Bealin Groups Corp203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ACE MAINTENANCE USA LLCGeneral Contractor1004/09/2026
RESTAURANT DESIGN DEVELPMGeneral Contractor907/08/2026
KATAN P & H INCPlumbing207/08/2026
ARCO PLBG AND HTG INCFire Protection107/08/2026
WATERMARK PLUMBING CORPPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
AZ PROFESSIONAL ENGINEERI766501/26/2026
ANDREW GOODRICH, P.E., PL965901/13/2025
AA BUILDING & INSPECTION1519105/22/2024
NIC DESIGN INC9758101/30/2024
Building Lifecycle
All (202)Filed (17)Permit Issued (13)Signed Off (5)Violation (60)Inspection (19)Objection (58)Special Inspection (30)
05/26/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
03/20/2026
Inspection — Fail-Final General Construction Non-Directive 14
Fail
View inspection ↗
03/06/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
02/09/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
02/05/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
02/05/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
VIJAY KUMAR
02/05/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
VIJAY KUMAR
01/26/2026
Filed — Alteration
Application filed to Interior renovation in existing partial ground floor commercial space. Replace the existing storefront and install a new commercial kitchen as per plan. No change in use, egress, or occupancy.
B01038708-P2
12/15/2025
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
12/12/2025
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
12/11/2025
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
12/11/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
VIJAY KUMAR
12/11/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
VIJAY KUMAR
11/26/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
11/21/2025
Signed off — Alteration CO
CONVERT EXISTING DOCTOR'S OFFICE TO A CLASS "A" APARTMENT AND OBTAIN NEW C OF O. INSTALL NEW ROOF DECK. RECONSTRUCT NEW STAIRCASE WITH NEW BULKHEAD AND INTERIOR RENOVATION OF EXISTING APARTMENTS AS PER PLAN.
B00944162-S2
11/17/2025
Permit issued — Mechanical Systems
B00944162-S2-MS
11/14/2025
Permit issued — Plumbing
B01038708-S3-PL
11/14/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/10/2025
Violation issued (ECB, closed)
Construction
11/10/2025
Violation issued (ECB, closed)
Construction
11/07/2025
Permit issued — General Construction
B01038708-I1-GC
10/31/2025
Permit issued — Mechanical Systems
B01038708-S4-MS
08/21/2025
Violation issued (ECB, closed)
Construction
06/10/2025
Violation issued (HPD, closed)
A
03/31/2025
Signed off — Alteration CO
CONVERT EXISTING DOCTOR'S OFFICE TO A CLASS "A" APARTMENT AND OBTAIN NEW C OF O. INSTALL NEW ROOF DECK. RECONSTRUCT NEW STAIRCASE WITH NEW BULKHEAD AND INTERIOR RENOVATION OF EXISTING APARTMENTS AS PER PLAN.
B00944162-S3
03/05/2025
Signed off — Alteration CO
CONVERT EXISTING DOCTOR'S OFFICE TO A CLASS "A" APARTMENT AND OBTAIN NEW C OF O. INSTALL NEW ROOF DECK. RECONSTRUCT NEW STAIRCASE WITH NEW BULKHEAD AND INTERIOR RENOVATION OF EXISTING APARTMENTS AS PER PLAN.
B00944162-S1
03/05/2025
Signed off — Alteration
INSTALL A TEMPORARY CONSTRUCTION FENCE AT OPEN SPACE AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B00974430-I1
02/20/2025
Violation issued (ECB, closed)
Construction
02/19/2025
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
02/03/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
01/29/2025
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
01/15/2025
Objection resolved — Addressed
01/14/2025
Objection raised — Other
01/13/2025
Filed — Alteration CO
CONVERT EXISTING DOCTOR'S OFFICE TO A CLASS "A" APARTMENT AND OBTAIN NEW C OF O. INSTALL NEW ROOF DECK. RECONSTRUCT NEW STAIRCASE WITH NEW BULKHEAD AND INTERIOR RENOVATION OF EXISTING APARTMENTS AS PER PLAN.
B00944162-P6
01/03/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
12/05/2024
Filed — Alteration
Application filed to Interior renovation in existing partial ground floor commercial space. Replace the existing storefront and install a new commercial kitchen as per plan. No change in use, egress, or occupancy.
B01038708-P1
12/04/2024
Inspection — Fail-Final CND-Occupancy Inspection
Fail
View inspection ↗
11/19/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
VIJAY KUMAR
11/12/2024
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
11/07/2024
Permit issued — Plumbing
B00944162-S1-PL
11/07/2024
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
11/01/2024
Permit issued — Sprinklers
B00944162-S3-EW-SP
10/15/2024
Violation issued (HPD, closed)
C
10/15/2024
Violation issued (HPD, closed)
A
10/15/2024
Violation issued (HPD, closed)
C
10/15/2024
Violation issued (HPD, closed)
B
10/15/2024
Violation issued (HPD, closed)
A
10/15/2024
Violation issued (HPD, closed)
B
10/15/2024
Violation issued (HPD, closed)
B
10/15/2024
Violation issued (HPD, closed)
A
10/11/2024
Signed off — Alteration CO
CONVERT EXISTING DOCTOR'S OFFICE TO A CLASS "A" APARTMENT AND OBTAIN NEW C OF O. INSTALL NEW ROOF DECK. RECONSTRUCT NEW STAIRCASE WITH NEW BULKHEAD AND INTERIOR RENOVATION OF EXISTING APARTMENTS AS PER PLAN.
B00944162-S5
09/23/2024
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
09/20/2024
Filed — Alteration CO
CONVERT EXISTING DOCTOR'S OFFICE TO A CLASS "A" APARTMENT AND OBTAIN NEW C OF O. INSTALL NEW ROOF DECK. RECONSTRUCT NEW STAIRCASE WITH NEW BULKHEAD AND INTERIOR RENOVATION OF EXISTING APARTMENTS AS PER PLAN.
B00944162-P5
09/20/2024
Special inspection requirement — Insulation placement and R values
ANDREW GOODRICH
09/20/2024
Special inspection requirement — Air barrier — testing
ANDREW GOODRICH
09/20/2024
Special inspection requirement — Metering
ANDREW GOODRICH
09/20/2024
Special inspection requirement — Fenestration air leakage
ANDREW GOODRICH
09/20/2024
Special inspection requirement — Fire-Resistance Rated Construction
ANDREW GOODRICH
09/20/2024
Special inspection requirement — Energy Code Compliance Inspections
ANDREW GOODRICH
09/20/2024
Special inspection requirement — Tenant Protection Plan Compliance
Latest 60 of 202 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offACE MAINTENANCE USA LLC11/17/2025
DOB NOWPlumbingSigned-offKATAN P & H INC11/14/2025
DOB NOWGeneral ConstructionPermit IssuedRESTAURANT DESIGN DEVELPM11/07/2025
DOB NOWMechanical SystemsPermit IssuedACE MAINTENANCE USA LLC10/31/2025
DOB NOWPlumbingSigned-offWATERMARK PLUMBING CORP11/07/2024
DOB NOWSprinklersSigned-offARCO PLBG AND HTG INC11/01/2024
DOB NOWPlumbingSigned-offKATAN P & H INC09/13/2024
DOB NOWGeneral ConstructionPermit IssuedRESTAURANT DESIGN DEVELPM08/07/2024
DOB NOWStructuralSigned-offACE MAINTENANCE USA LLC06/04/2024
DOB NOWConstruction FenceSigned-offRESTAURANT DESIGN DEVELPM04/18/2024
DOB NOWGeneral ConstructionPermit IssuedACE MAINTENANCE USA LLC04/01/2024
DOB NOWConstruction FenceSigned-offRESTAURANT DESIGN DEVELPM03/11/2024
DOB NOWConstruction FenceSigned-offRESTAURANT DESIGN DEVELPM12/28/2023
1 project · most recent 01/13/2025
Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
01/13/2025Signed-offACE MAINTENANCE USA LLCAir Conditioning Systems, Ventilation Systems
Cooling
Mitsubishi Electric MSZ-GL09NA 9,000 BTU · Ahu ×16
MSZ-GL12NA 12,000 BTU · Ahu ×8
Daikin 3MXL24WMVJU9 24,000 BTU · Condensing Unit ×8
Ventilation
Panasonic FV-04VE1 40 CFM · Erv ×8
Greenheck SFB-9 600 CFM · Exhaust Fan ×6
1 project · most recent 01/13/2025
Sprinkler System
FiledStatusContractorScope
01/13/2025Signed-offARCO PLBG AND HTG INCSprinkler System
2 projects · most recent 01/26/2026
Water/Sanitary Gas
FiledStatusContractorScope
01/26/2026Signed-offKATAN P & H INCGas, Water/Sanitary
01/13/2025Signed-offWATERMARK PLUMBING CORPWater/Sanitary
1 project · most recent 09/11/2025
General Wiring
FiledStatusContractorScope
09/11/2025CompletePOWER SURGE ELECTRIC, INCGeneral Wiring
▾Field Inspections (DOB CAP) — 19
DateTypeResultReport
05/26/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
03/20/2026Fail-Final General Construction Non-Directive 14FailView ↗
03/06/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
02/09/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
02/05/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
12/15/2025Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
12/12/2025Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
12/11/2025Pass-Final PL - Up to 3 Requested FloorsPassView ↗
11/26/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
02/19/2025Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
02/03/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
01/29/2025Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
01/03/2025Pass-Final CND-Occupancy InspectionPassView ↗
12/04/2024Fail-Final CND-Occupancy InspectionFailView ↗
11/12/2024Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
11/07/2024Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
09/13/2024Pass-Final CND-Occupancy InspectionPassView ↗
08/22/2024Pass-Final CND-Occupancy InspectionPassView ↗
05/29/2024Pass-Final CND-Occupancy InspectionPassView ↗
▾Special Inspection Requirements (DOB NOW) — 51
DateRequirementInspectorRole
02/05/2026Fire-Resistant Penetrations and JointsVIJAY KUMARspecial
02/05/2026Structural Stability – Alterations of existing buildingsVIJAY KUMARspecial
12/11/2025Fire-Resistant Penetrations and JointsVIJAY KUMARspecial
12/11/2025Structural Stability – Alterations of existing buildingsVIJAY KUMARspecial
11/19/2024Fire-Resistant Penetrations and JointsVIJAY KUMARspecial
09/20/2024Insulation placement and R valuesANDREW GOODRICHenergy_progress
09/20/2024Air barrier — testing ANDREW GOODRICHenergy_progress
09/20/2024MeteringANDREW GOODRICHenergy_progress
09/20/2024Fenestration air leakageANDREW GOODRICHenergy_progress
09/20/2024Fire-Resistance Rated ConstructionANDREW GOODRICHprogress
09/20/2024Energy Code Compliance InspectionsANDREW GOODRICHprogress
09/20/2024Tenant Protection Plan Compliance—special
09/20/2024Fire-Resistant Penetrations and JointsANDREW GOODRICHspecial
09/20/2024Structural Stability – Alterations of existing buildingsANDREW GOODRICHspecial
09/20/2024Interior lighting powerANDREW GOODRICHenergy_progress
09/20/2024Fenestration areasANDREW GOODRICHenergy_progress
09/20/2024Fenestration and door U-factor and product ratingsANDREW GOODRICHenergy_progress
09/20/2024Air barrier - visual inspectionANDREW GOODRICHenergy_progress
09/18/2024Fire-Resistance Rated Construction—progress
09/18/2024Fire-Resistant Penetrations and Joints—special
09/18/2024Mechanical Systems—special
09/18/2024Energy Code Compliance Inspections—progress
09/18/2024Final—progress
09/18/2024HVAC-R and service water heating equipment—energy_progress
09/18/2024HVAC-R and service water piping design and insulation—energy_progress
Latest 25 of 51.
▾Documents — 92 on file (BIS + DOB NOW)
▸Plans & Drawings17
▸DOB NOWPlans/Sketch17
08/26/2026B00974430-I1Request digital key ↗
08/24/2026B01038708-P1Request digital key ↗
08/24/2026B01038708-S4Request digital key ↗
Showing 3 of 17 on file for this type
▸Zoning, Tax Lot & Property Records8
▸DOB NOWZoning Exhibit form (1-5)4
08/13/2026B00944162-P3Open ↗
08/13/2026B00944162-P5Open ↗
08/13/2026B00944162-P6Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWZD1: DOB Zoning Diagram4
08/13/2026B00944162-I1Open ↗
08/13/2026B00944162-P3Open ↗
08/13/2026B00944162-P5Open ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications35
▸DOB NOWDPL-1: Design Professional Seal & Signature17
08/26/2026B00974430-I1Open ↗
08/24/2026B01038708-S4Open ↗
08/24/2026B01038708-S3Open ↗
Showing 3 of 17 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature10
08/31/2026B01038708-S4Open ↗
08/29/2026B01038708-I1Open ↗
08/26/2026B00944162-P1Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWProgress Inspector Seal & Signature8
08/31/2026B01038708-S4Open ↗
08/25/2026B00944162-P5Open ↗
08/25/2026B00944162-P5Open ↗
Showing 3 of 8 on file for this type
▸Safety & Tenant Protection4
▸DOB NOWStreet Tree Checklist4
08/13/2026B00944162-I1Open ↗
08/13/2026B00944162-P3Open ↗
08/13/2026B00944162-P5Open ↗
Showing 3 of 4 on file for this type
▸Environmental & Asbestos16
▸DOB NOWDEP ACP-5: Asbestos Assessment Report16
08/24/2026B01038708-S4Open ↗
08/24/2026B01038708-S3Open ↗
08/24/2026B01038708-I1Open ↗
Showing 3 of 16 on file for this type
▸Other Documents12
▸DOB NOWSite Survey: Initial4
08/13/2026B00944162-P3Open ↗
08/13/2026B00944162-P5Open ↗
08/13/2026B00944162-P6Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone4
08/13/2026B00944162-P6Open ↗
08/13/2026B00944162-P3Open ↗
08/13/2026B00944162-P5Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWProperty Ownership Certification4
08/13/2026B00944162-I1Open ↗
08/13/2026B00944162-P3Open ↗
08/13/2026B00944162-P6Open ↗
Showing 3 of 4 on file for this type