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Two family converted from one family
364 HANCOCK STREET
BROOKLYN · BIN 3052830
💬 Discuss this project
1901Year Built
3Stories
B3Building Class
R6BZoning
3,198 sfGross Floor Area
2Units
1 Open Violation ▸FDNY Report ↗
Two family converted from one family · 1,750 sf lot · 1.83 FAR built · Flood zone X
Locations of Work
StructuralPlumbing
Roof1p · 1 filing · 20 docs
Floor 11p · 1 filing · 20 docs
Basement1p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
10/23/2024$1.8M—364 HANCOCK GROUP LLC → Private party$547/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CHUN ENGINEERING CONSULTANT PLLC404/07/2026
SHARON ENGINEERING, P.C306/11/2025
DAMERON ARCHITECTURE PLLC203/20/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
CAVALRY LLC703/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ALEF CONSTRUCTION INCGeneral Contractor504/09/2026
ARNICA HEATING & AIR CONDGeneral Contractor207/08/2026
CAVALRY LLCGeneral Contractor203/21/2026
ENSMAN ALEXANDERElectrical103/21/2026
BIG APPLE SEWER & DRAIN IPlumbing106/28/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CHUN ENGINEERING CONSULTA9605604/07/2026
DAL H CHUN ENGINEER PC1972303/17/2026
Building Lifecycle
All (86)Filed (9)Permit Issued (8)Signed Off (5)Violation (2)Inspection (4)Objection (28)Special Inspection (30)
05/05/2026
Signed off — Alteration
APPLICATION FILED HERE TO PROPOSE MECHANICAL SYSTEMS WORK TYPE IN CONJUCTION WITH JOB APPLICATION # B01135719-I1
B01135719-S1
04/24/2026
Special inspection requirement — Final
Cloud Lee
04/24/2026
Special inspection requirement — Mechanical Systems
JAMES CHUN
04/24/2026
Special inspection requirement — Smoke Control Systems Testing
JAMES CHUN
04/24/2026
Special inspection requirement — Ventilation and air distribution system
JAMES CHUN
04/24/2026
Special inspection requirement — HVAC-R and service water heating system controls
JAMES CHUN
04/24/2026
Special inspection requirement — Maintenance information
JAMES CHUN
04/24/2026
Special inspection requirement — HVAC-R and service water heating equipment
JAMES CHUN
04/24/2026
Special inspection requirement — Duct leakage testing, insulation and design
JAMES CHUN
04/24/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
JAMES CHUN
04/24/2026
Special inspection requirement — Shutoff dampers
JAMES CHUN
04/24/2026
Special inspection requirement — Fire-Resistance Rated Construction
JAMES CHUN
04/24/2026
Special inspection requirement — Energy Code Compliance Inspections
JAMES CHUN
04/23/2026
Objection resolved — Addressed
04/21/2026
Objection raised — Other
04/16/2026
Objection raised — Other
04/16/2026
Objection resolved — Addressed
04/07/2026
Filed — Alteration
APPLICATION FILED HERE TO PROPOSE MECHANICAL SYSTEMS WORK TYPE IN CONJUCTION WITH JOB APPLICATION # B01135719-I1
B01135719-P3
04/06/2026
Special inspection requirement — Mechanical Systems
JAMES CHUN
04/06/2026
Special inspection requirement — HVAC-R and service water heating system controls
JAMES CHUN
04/06/2026
Special inspection requirement — Ventilation and air distribution system
JAMES CHUN
04/06/2026
Special inspection requirement — Shutoff dampers
JAMES CHUN
04/06/2026
Special inspection requirement — Maintenance information
JAMES CHUN
04/06/2026
Special inspection requirement — HVAC-R and service water heating equipment
JAMES CHUN
04/06/2026
Special inspection requirement — Duct leakage testing, insulation and design
JAMES CHUN
04/06/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
JAMES CHUN
04/06/2026
Special inspection requirement — Fire-Resistance Rated Construction
JAMES CHUN
04/06/2026
Special inspection requirement — Final
Cloud Lee
04/06/2026
Special inspection requirement — Energy Code Compliance Inspections
JAMES CHUN
04/06/2026
Special inspection requirement — Smoke Control Systems Testing
JAMES CHUN
04/03/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
03/27/2026
Special inspection requirement — Energy Code Compliance Inspections
JAMES CHUN
03/27/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
JAMES CHUN
03/27/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
JAMES CHUN
03/17/2026
Filed — Alteration
APPLICATION FILED HERE TO PROPOSE MECHANICAL SYSTEMS WORK TYPE IN CONJUCTION WITH JOB APPLICATION # B01135719-I1
B01135719-P2
03/17/2026
Signed off — Alteration
APPLICATION FILED HERE TO PROPOSE MECHANICAL SYSTEMS WORK TYPE IN CONJUCTION WITH JOB APPLICATION # B01135719-I1
B01135719-I1
03/16/2026
Special inspection requirement — Energy Code Compliance Inspections
JAMES CHUN
03/16/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
JAMES CHUN
03/16/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
JAMES CHUN
03/13/2026
Signed off — Alteration
APPLICATION FILED HERE TO PROPOSE MECHANICAL SYSTEMS WORK TYPE IN CONJUCTION WITH JOB APPLICATION # B01135719-I1
B01135719-S5
03/13/2026
Signed off — Alteration
APPLICATION FILED HERE TO PROPOSE MECHANICAL SYSTEMS WORK TYPE IN CONJUCTION WITH JOB APPLICATION # B01135719-I1
B01135719-S6
03/12/2026
Signed off — Alteration
APPLICATION FILED HERE TO PROPOSE MECHANICAL SYSTEMS WORK TYPE IN CONJUCTION WITH JOB APPLICATION # B01135719-I1
B01135719-S7
01/23/2026
Permit issued — General Construction
B01135719-I1-GC
12/16/2025
Permit issued — Mechanical Systems
B01135719-S1-MS
11/13/2025
Permit issued — Mechanical Systems
B01135719-S1-MS
11/07/2025
Permit issued — Support of Excavation
B01135719-S7-SE
11/06/2025
Permit issued — Structural
B01135719-S6-ST
11/06/2025
Permit issued — Foundation
B01135719-S5-FO
08/05/2025
Objection resolved — Addressed
07/28/2025
Objection resolved — Addressed
07/28/2025
Objection resolved — Addressed
07/22/2025
Objection resolved — Addressed
07/22/2025
Objection resolved — Addressed
06/24/2025
Objection resolved — Addressed
06/23/2025
Objection raised — Structural
06/23/2025
Objection raised — Admin
06/23/2025
Objection raised — Structural
06/23/2025
Objection raised — Scope
06/18/2025
Objection raised — Other
06/11/2025
Filed — Alteration
APPLICATION FILED HERE TO PROPOSE MECHANICAL SYSTEMS WORK TYPE IN CONJUCTION WITH JOB APPLICATION # B01135719-I1
B01135719-S5
Latest 60 of 86 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offALEF CONSTRUCTION INC01/23/2026
DOB NOWMechanical SystemsSigned-offARNICA HEATING AIR COND12/16/2025
DOB NOWMechanical SystemsSigned-offARNICA HEATING AIR COND11/13/2025
DOB NOWSupport of ExcavationSigned-offALEF CONSTRUCTION INC11/07/2025
DOB NOWStructuralSigned-offALEF CONSTRUCTION INC11/06/2025
DOB NOWFoundationSigned-offALEF CONSTRUCTION INC11/06/2025
DOB NOWPlumbingSigned-offBIG APPLE SEWER & DRAIN I02/27/2025
DOB NOWGeneral ConstructionSigned-offCAVALRY LLC02/19/2025
BISOTISSUEDCECIL PETERS02/22/2006
1 project · most recent 04/07/2026
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
04/07/2026Signed-offALEF CONSTRUCTION INCHeating and Air Conditioning Systems
Heat / Cool
Mitsubishi Electric MXZ- SM36NAMHZ2-U1 42,000 BTU · Vrf Outdoor ×6
MXZ-SM36NAMHZ2-U1 42,000 BTU · Ahu ×2
1 project · most recent 04/07/2026
Gas Water/Sanitary
FiledStatusContractorScope
04/07/2026Signed-offBIG APPLE SEWER & DRAIN IGas, Water/Sanitary
3 projects · most recent 05/08/2025
General Wiring
FiledStatusContractorScope
05/08/2025Permit IssuedQEC ELECTRICAL SVCE CORPGeneral Wiring
04/01/2025CompleteQEC ELECTRICAL SVCE CORP—
07/29/2024Permit IssuedBELLA CRUISE ELECTRICALGeneral Wiring
1 project · most recent 04/07/2026
Steel Concrete Masonry Wood
FiledStatusContractorScope
04/07/2026Signed-offALEF CONSTRUCTION INCSteel, Concrete, Masonry, Wood
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
04/03/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
05/21/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
04/30/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
03/07/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 55
DateRequirementInspectorRole
04/24/2026FinalCloud Leeprogress
04/24/2026Mechanical SystemsJAMES CHUNspecial
04/24/2026Smoke Control Systems TestingJAMES CHUNspecial
04/24/2026Ventilation and air distribution systemJAMES CHUNenergy_progress
04/24/2026HVAC-R and service water heating system controlsJAMES CHUNenergy_progress
04/24/2026Maintenance informationJAMES CHUNenergy_progress
04/24/2026HVAC-R and service water heating equipmentJAMES CHUNenergy_progress
04/24/2026Duct leakage testing, insulation and designJAMES CHUNenergy_progress
04/24/2026HVAC-R and service water piping design and insulationJAMES CHUNenergy_progress
04/24/2026Shutoff dampersJAMES CHUNenergy_progress
04/24/2026Fire-Resistance Rated ConstructionJAMES CHUNprogress
04/24/2026Energy Code Compliance InspectionsJAMES CHUNprogress
04/06/2026Mechanical SystemsJAMES CHUNspecial
04/06/2026HVAC-R and service water heating system controlsJAMES CHUNenergy_progress
04/06/2026Ventilation and air distribution systemJAMES CHUNenergy_progress
04/06/2026Shutoff dampersJAMES CHUNenergy_progress
04/06/2026Maintenance informationJAMES CHUNenergy_progress
04/06/2026HVAC-R and service water heating equipmentJAMES CHUNenergy_progress
04/06/2026Duct leakage testing, insulation and designJAMES CHUNenergy_progress
04/06/2026HVAC-R and service water piping design and insulationJAMES CHUNenergy_progress
04/06/2026Fire-Resistance Rated ConstructionJAMES CHUNprogress
04/06/2026FinalCloud Leeprogress
04/06/2026Energy Code Compliance InspectionsJAMES CHUNprogress
04/06/2026Smoke Control Systems TestingJAMES CHUNspecial
03/27/2026Energy Code Compliance InspectionsJAMES CHUNprogress
Latest 25 of 55.
▾Documents — 61 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/17/2026B01135719-P2Request digital key ↗
08/17/2026B01135719-S6Request digital key ↗
08/17/2026B01135719-S5Request digital key ↗
Showing 3 of 9 on file for this type
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZD1: DOB Zoning Diagram2
08/14/2026B01135719-P1Open ↗
08/14/2026B01135719-I1Open ↗
▸Seals & Professional Certifications32
▸DOB NOWProgress Inspector Seal & Signature15
09/01/2026B01135719-S1Open ↗
09/01/2026B01135719-S1Open ↗
09/01/2026B01135719-S1Open ↗
Showing 3 of 15 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/17/2026B01135719-P2Open ↗
08/17/2026B01135719-S7Open ↗
08/17/2026B01135719-S6Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature8
09/01/2026B01135719-S1Open ↗
08/29/2026B01135719-S2Open ↗
08/27/2026B01135719-P3Open ↗
Showing 3 of 8 on file for this type
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
08/17/2026B01135719-S1Open ↗
08/17/2026B01135719-P2Open ↗
08/17/2026B01135719-S6Open ↗
Showing 3 of 9 on file for this type
▸Other Documents9
▸DOB NOWPlot Diagram4
08/14/2026B01135719-P1Open ↗
08/14/2026B01135719-I1Open ↗
08/14/2026B01135719-S7Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone2
08/14/2026B01135719-P1Open ↗
08/14/2026B01135719-I1Open ↗
▸DOB NOWSite Survey: Initial2
08/14/2026B01135719-P1Open ↗
08/14/2026B01135719-I1Open ↗
▸DOB NOWAdjoining Owners Notification1
08/14/2026B01135719-S7Open ↗