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Two family converted from one family
1122 54 STREET
BROOKLYN · BIN 3139291
💬 Discuss this project
1915Year Built
2Stories
B3Building Class
R5Zoning
1,672 sfGross Floor Area
2Units
FDNY Report ↗
Two family converted from one family · 2,003 sf lot · 0.83 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire ProtectionGeneral
Roof35p · 1 filing · 20 docs
Floor 334p · 1 filing · 20 docs
Floor 232p · 1 filing · 20 docs
Floor 133p · 1 filing · 20 docs
Cellar37p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
OWNERS REP303/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
06/29/2021$950K—Private party → Private party$568/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
MAYER SILBER ARCHITECT P.C.1007/17/2024
CHOSEN MEP, CORP.403/13/2024
PAUL PERDEK, PROF. ENG. PLLC107/06/2023
SHARON ENGINEERING, P.C204/25/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
EXPEDITER GROUP3203/21/2026
AE DESIGN SOLUTION203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
PROMPT BUILDERS NY INCGeneral Contractor1907/08/2026
CORE SCAFFOLD SYSTEMS INC.General Contractor303/21/2026
DNA PLUMBING CONTR. INCFire Protection107/08/2026
DNA PLUMBING CONTR. INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
TECNICO SPECIAL INSPECTIO59391507/17/2024
Building Lifecycle
All (134)Filed (17)Permit Issued (15)Signed Off (8)Inspection (6)Objection (58)Special Inspection (30)
08/16/2024
Special inspection requirement — Energy Code Compliance Inspections
Jose Lockhart
08/16/2024
Special inspection requirement — Air barrier - visual inspection
Jose Lockhart
08/16/2024
Special inspection requirement — Metering
Jose Lockhart
08/16/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Jose Lockhart
08/16/2024
Special inspection requirement — Electric vehicle service equipment requirements
Jose Lockhart
08/16/2024
Special inspection requirement — Protection of exposed foundation insulation
Jose Lockhart
08/16/2024
Special inspection requirement — Fenestration air leakage
Jose Lockhart
08/16/2024
Special inspection requirement — Insulation placement and R values
Jose Lockhart
08/16/2024
Special inspection requirement — Air barrier — testing
Jose Lockhart
08/16/2024
Special inspection requirement — Fire-Resistance Rated Construction
Jose Lockhart
08/16/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
Jose Lockhart
08/16/2024
Special inspection requirement — Permanent certificate
Jose Lockhart
08/16/2024
Special inspection requirement — Fenestration areas
Jose Lockhart
08/16/2024
Special inspection requirement — Interior lighting power
Jose Lockhart
08/16/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
Jose Lockhart
08/16/2024
Special inspection requirement — Construction Operations Influencing Adjacent Structures
Jose Lockhart
07/29/2024
Objection raised — Other
07/29/2024
Objection resolved — Addressed
07/17/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-P8
07/15/2024
Special inspection requirement — Protection of exposed foundation insulation
Jose Lockhart
07/15/2024
Special inspection requirement — Insulation placement and R values
Jose Lockhart
07/15/2024
Special inspection requirement — Air barrier — testing
Jose Lockhart
07/15/2024
Special inspection requirement — Fenestration areas
Jose Lockhart
07/15/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
Jose Lockhart
07/15/2024
Special inspection requirement — Metering
Jose Lockhart
07/15/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Jose Lockhart
07/15/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
Jose Lockhart
07/15/2024
Special inspection requirement — Construction Operations Influencing Adjacent Structures
Jose Lockhart
07/15/2024
Special inspection requirement — Energy Code Compliance Inspections
Jose Lockhart
07/15/2024
Special inspection requirement — Fire-Resistance Rated Construction
Jose Lockhart
07/15/2024
Special inspection requirement — Interior lighting power
Jose Lockhart
07/15/2024
Special inspection requirement — Fenestration air leakage
Jose Lockhart
07/15/2024
Special inspection requirement — Air barrier - visual inspection
Jose Lockhart
05/30/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-P7
04/19/2024
Signed off — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-S1
04/18/2024
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
04/11/2024
Signed off — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-S2
03/29/2024
Inspection — Certified Sprinkler-SP-Fixtures-Finish
Certified
View inspection ↗
03/22/2024
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
03/20/2024
Objection resolved — Addressed
03/19/2024
Objection raised — Other
03/13/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-P6
03/06/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-P5
02/29/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-P4
02/15/2024
Signed off — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-S3
01/25/2024
Signed off — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-S6
01/24/2024
Signed off — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-S4
01/24/2024
Signed off — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-S5
01/16/2024
Permit issued — Mechanical Systems
B00811124-S1-MS
01/15/2024
Signed off — Alteration
PROPOSED CONSTRUCTION FENCE FILED HEREWITH.
B08049466-I1
01/12/2024
Signed off — Alteration
B00899818-I1
12/27/2023
Permit issued — General Construction
B00811124-I1-GC
12/27/2023
Permit issued — Construction Fence
B08049466-I1-FN
11/24/2023
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
11/22/2023
Inspection — Pass-Final PL - More than 10 Requested Floors
Pass
View inspection ↗
11/08/2023
Filed — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-P3
10/27/2023
Permit issued — Construction Fence
B08049466-I1-FN
10/11/2023
Objection raised — Admin
10/11/2023
Objection resolved — Addressed
10/10/2023
Filed — ALT-CO - New Building with Existing Elements to Remain
MECHANICAL PLANS FILED HEREWITH.
B00811124-P2
Latest 60 of 134 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offPROMPT BUILDERS NY INC01/16/2024
DOB NOWGeneral ConstructionPermit IssuedPROMPT BUILDERS NY INC12/27/2023
DOB NOWConstruction FenceSigned-offPROMPT BUILDERS NY INC12/27/2023
DOB NOWConstruction FenceSigned-offPROMPT BUILDERS NY INC10/27/2023
DOB NOWGeneral ConstructionPermit IssuedPROMPT BUILDERS NY INC09/29/2023
DOB NOWGeneral ConstructionPermit IssuedPROMPT BUILDERS NY INC08/01/2023
DOB NOWSidewalk ShedSigned-offCORE SCAFFOLD SYSTEMS INC07/07/2023
DOB NOWSprinklersSigned-offDNA PLUMBING CONTR. INC06/27/2023
DOB NOWSprinklersSigned-offDNA PLUMBING CONTR. INC06/27/2023
DOB NOWStructuralSigned-offPROMPT BUILDERS NY INC05/22/2023
DOB NOWFoundationSigned-offPROMPT BUILDERS NY INC05/05/2023
DOB NOWGeneral ConstructionPermit IssuedPROMPT BUILDERS NY INC04/25/2023
DOB NOWSupport of ExcavationSigned-offPROMPT BUILDERS NY INC04/25/2023
DOB NOWEarth WorkSigned-offPROMPT BUILDERS NY INC04/25/2023
DOB NOWConstruction FenceSigned-offPROMPT BUILDERS NY INC12/21/2022
1 project · most recent 07/17/2024
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
07/17/2024Signed-offPROMPT BUILDERS NY INCHeating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Mitsubishi Electric MXZ-SM60NAM-U1 60,000 BTU · Heat Pump Outdoor ×6
MXZ-SM48NAM-U1 48,000 BTU · Heat Pump Outdoor ×2
Ventilation
Greenheck SP-110VG 50 CFM · Kitchen Exhaust ×5
Whisper Warm FV-11VH1 50 CFM · Exhaust Fan ×5
1 project · most recent 07/17/2024
Gas Storm Water/Sanitary
FiledStatusContractorScope
07/17/2024Signed-offCOMPLETE PIPING & HEATINGGas, Storm, Water/Sanitary
3 projects · most recent 08/15/2023
General Wiring
FiledStatusContractorScope
08/15/2023CompleteFRIED ELECTRIC CO.General Wiring
07/09/2023CompleteSOLAS ELECTRICAL CORP—
09/15/2020CompleteALL WAYS ELECTRIC CORP.W—
1 project · most recent 07/17/2024
Steel Masonry
FiledStatusContractorScope
07/17/2024Signed-offPROMPT BUILDERS NY INCSteel, Masonry
▾Field Inspections (DOB CAP) — 6
DateTypeResultReport
04/18/2024Pass-Final CND-Occupancy InspectionPassView ↗
03/29/2024Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
03/22/2024Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
11/24/2023Pass-Final PL - Up to 3 Requested FloorsPassView ↗
11/22/2023Pass-Final PL - More than 10 Requested FloorsPassView ↗
07/31/2023Pass-Final PL - UndergroundPassView ↗
▾Special Inspection Requirements (DOB NOW) — 132
DateRequirementInspectorRole
08/16/2024Fenestration air leakageJose Lockhartenergy_progress
08/16/2024Air barrier - visual inspectionJose Lockhartenergy_progress
08/16/2024Protection of exposed foundation insulationJose Lockhartenergy_progress
08/16/2024Fenestration and door U-factor and product ratingsJose Lockhartenergy_progress
08/16/2024Fenestration areasJose Lockhartenergy_progress
08/16/2024Electric vehicle service equipment requirementsJose Lockhartenergy_progress
08/16/2024Interior lighting powerJose Lockhartenergy_progress
08/16/2024Permanent certificateJose Lockhartenergy_progress
08/16/2024Air barrier — testing Jose Lockhartenergy_progress
08/16/2024Insulation placement and R valuesJose Lockhartenergy_progress
08/16/2024MeteringJose Lockhartenergy_progress
08/16/2024Energy Code Compliance InspectionsJose Lockhartprogress
08/16/2024Fire-Resistance Rated ConstructionJose Lockhartprogress
08/16/2024Structural Stability – Alterations of existing buildingsJose Lockhartspecial
08/16/2024Fire-Resistant Penetrations and JointsJose Lockhartspecial
08/16/2024Construction Operations Influencing Adjacent StructuresJose Lockhartspecial
07/15/2024Construction Operations Influencing Adjacent StructuresJose Lockhartspecial
07/15/2024Permanent certificateJose Lockhartenergy_progress
07/15/2024Electric vehicle service equipment requirementsJose Lockhartenergy_progress
07/15/2024Air barrier - visual inspectionJose Lockhartenergy_progress
07/15/2024MeteringJose Lockhartenergy_progress
07/15/2024Air barrier — testing Jose Lockhartenergy_progress
07/15/2024Fenestration air leakageJose Lockhartenergy_progress
07/15/2024Interior lighting powerJose Lockhartenergy_progress
07/15/2024Fenestration and door U-factor and product ratingsJose Lockhartenergy_progress
Latest 25 of 132.
▾Documents — 204 on file (BIS + DOB NOW)
▸Plans & Drawings17
▸DOB NOWPlans/Sketch17
08/27/2026B00811124-P7Request digital key ↗
08/27/2026B00811124-P5Request digital key ↗
08/27/2026B00811124-P4Request digital key ↗
Showing 3 of 17 on file for this type
▸Zoning, Tax Lot & Property Records13
▸DOB NOWZD1: DOB Zoning Diagram6
08/13/2026B00811124-P7Open ↗
08/13/2026B00811124-P2Open ↗
08/13/2026B00811124-P4Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWZoning Exhibit form (1-5)6
08/13/2026B00811124-I1Open ↗
08/13/2026B00811124-P2Open ↗
08/13/2026B00811124-P8Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B00811124-I1Open ↗
▸Seals & Professional Certifications132
▸DOB NOWProgress Inspector Seal & Signature73
09/19/2026B00811124-S6Open ↗
09/19/2026B00811124-S6Open ↗
09/02/2026B00811124-P6Open ↗
Showing 3 of 73 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature42
09/19/2026B00811124-S6Open ↗
09/19/2026B00811124-S6Open ↗
09/19/2026B00811124-S6Open ↗
Showing 3 of 42 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature17
08/27/2026B00811124-P7Open ↗
08/27/2026B00811124-P6Open ↗
08/27/2026B00811124-P5Open ↗
Showing 3 of 17 on file for this type
▸Safety & Tenant Protection3
▸DOB NOWStreet Trees Site Plan1
08/13/2026B00811124-I1Open ↗
▸DOB NOWStreet Tree Sign Off1
08/13/2026B00811124-I1Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B00811124-I1Open ↗
▸Environmental & Asbestos15
▸DOB NOWDEP ACP-5: Asbestos Assessment Report12
08/27/2026B00811124-P7Open ↗
08/27/2026B00811124-P5Open ↗
08/27/2026B00811124-P4Open ↗
Showing 3 of 12 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form3
08/27/2026B00811124-S5Open ↗
08/27/2026B00811124-S4Open ↗
08/14/2026B00811124-S3Open ↗
▸Inspections & Test Reports3
▸DOB NOWGeotechnical Report (BC 1803.6)3
08/13/2026B00811124-S6Open ↗
08/13/2026B00811124-S5Open ↗
08/13/2026B00811124-S3Open ↗
▸Other Documents21
▸DOB NOWSite Survey: Initial6
08/13/2026B00811124-P8Open ↗
08/13/2026B00811124-I1Open ↗
08/13/2026B00811124-P7Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone6
08/13/2026B00811124-P3Open ↗
08/13/2026B00811124-I1Open ↗
08/13/2026B00811124-P4Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWProperty Ownership Certification6
08/27/2026B00811124-P7Open ↗
08/27/2026B00811124-P4Open ↗
08/27/2026B00811124-P3Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWAdjoining Owners Notification2
08/13/2026B00811124-S5Open ↗
08/13/2026B00811124-S3Open ↗
▸DOB NOWFinal Survey1
08/13/2026B00811124-I1Open ↗