← Back
Primarily 2 family with 1 store or office
450 BERGEN STREET
BROOKLYN · BIN 3018588
💬 Discuss this project
1930Year Built
3Stories
S2Building Class
R6BZoning
2,475 sfGross Floor Area
3Units
Rent Stabilized14 Open Violations ▸FDNY Report ↗
Primarily 2 family with 1 store or office · Owner of record: 450 BERGEN 718, LLC · 1,875 sf lot · 1.32 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbingFire Protection
Permit Issued — active, not yet Signed-off
RoofUnder Construction34p · 2 filings · 20 docs
Floor 3Under Construction31p · 2 filings · 20 docs
Floor 2Under Construction32p · 2 filings · 20 docs
Floor 1Under Construction32p · 2 filings · 20 docs
CellarUnder Construction34p · 2 filings · 20 docs
1 job · most recent 08/05/2026
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
08/05/2026Permit IssuedADK MAINTENANCE INCHeating and Air Conditioning Systems
Heat / Cool
Kinghome KM42H50 36,000 BTU · Condensing Unit ×2
Gree FLEXX60HP230V1AO 54,000 BTU · Condensing Unit ×1
1 job · most recent 08/05/2026
FiledStatusContractorScope
08/05/2026Permit IssuedABSOLUTE SPECIAL INSPTN192 heads
1 job · most recent 08/05/2026
Gas Water/Sanitary
FiledStatusContractorScope
08/05/2026Permit IssuedAMOK INCGas, Water/Sanitary
1 job · most recent 05/05/2025
FiledStatusContractorScope
05/05/2025Permit IssuedBOBTEK ELECTRICAL CORP.2 meters
Building Lifecycle
All (116)Filed (10)Permit Issued (9)Signed Off (1)Violation (14)Inspection (3)Objection (49)Special Inspection (30)
08/21/2026
Special inspection requirement — Sprinkler Systems
CARL HAMANN
08/21/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
CARL HAMANN
08/05/2026
Filed — Alteration
PLUMBING WORK AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS AND OCCUPANCY.
B01150803-P3
04/15/2026
Objection raised — Other
04/10/2026
Permit issued — Mechanical Systems
B01150803-S2-MS
04/10/2026
Permit issued — General Construction
B01053187-I1-GC
03/24/2026
Filed — Alteration
PLUMBING WORK AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS AND OCCUPANCY.
B01150803-P2
03/21/2026
Special inspection requirement — Sprinkler Systems
CARL HAMANN
03/21/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
CARL HAMANN
01/09/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
01/09/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
01/08/2026
Permit issued — Plumbing
B01150803-I1-PL
01/07/2026
Signed off — Alteration
B01150778-I1
01/07/2026
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
12/16/2025
Filed — Alteration
PLUMBING WORK AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS AND OCCUPANCY.
B01150803-P1
12/16/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
CARL HAMANN
12/16/2025
Special inspection requirement — HVAC-R and service water heating equipment
CARL HAMANN
12/16/2025
Special inspection requirement — HVAC-R and service water heating system controls
CARL HAMANN
12/16/2025
Special inspection requirement — Maintenance information
CARL HAMANN
12/16/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
CARL HAMANN
11/28/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
CARL HAMANN
11/28/2025
Special inspection requirement — Insulation placement and R values
CARL HAMANN
11/28/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
CARL HAMANN
11/28/2025
Special inspection requirement — Energy Code Compliance Inspections
CARL HAMANN
11/28/2025
Special inspection requirement — Air barrier - visual inspection
CARL HAMANN
11/28/2025
Special inspection requirement — Metering
CARL HAMANN
11/28/2025
Special inspection requirement — Fenestration areas
CARL HAMANN
11/28/2025
Special inspection requirement — Lighting controls
CARL HAMANN
11/28/2025
Special inspection requirement — Fire-Resistance Rated Construction
CARL HAMANN
11/28/2025
Special inspection requirement — Permanent certificate
CARL HAMANN
11/28/2025
Special inspection requirement — Exterior lighting power
CARL HAMANN
11/28/2025
Special inspection requirement — Maintenance information
CARL HAMANN
11/28/2025
Special inspection requirement — Interior lighting power
CARL HAMANN
11/28/2025
Special inspection requirement — Fenestration air leakage
CARL HAMANN
11/28/2025
Special inspection requirement — Air barrier — testing
CARL HAMANN
11/24/2025
Violation issued (HPD, open)
I
11/18/2025
Objection resolved — Addressed
10/24/2025
Permit issued — Mechanical Systems
B01150803-S2-MS
10/22/2025
Objection raised — Other
10/15/2025
Filed — Alteration
PLUMBING WORK AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS AND OCCUPANCY.
B01150803-S2
10/10/2025
Objection resolved — Addressed
10/10/2025
Objection resolved — Addressed
10/10/2025
Objection resolved — Addressed
10/08/2025
Special inspection requirement — Energy Code Compliance Inspections
CARL HAMANN
10/08/2025
Special inspection requirement — HVAC-R and service water heating equipment
CARL HAMANN
10/08/2025
Special inspection requirement — HVAC-R and service water heating system controls
CARL HAMANN
10/08/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
CARL HAMANN
10/08/2025
Special inspection requirement — Maintenance information
CARL HAMANN
10/06/2025
Permit issued — Sprinklers
B01150803-S1-EW-SP
09/26/2025
Objection resolved — Addressed
09/26/2025
Objection resolved — Addressed
09/25/2025
Objection raised — Zoning
09/25/2025
Objection resolved — Addressed
09/18/2025
Objection raised — Inspections
09/18/2025
Objection resolved — Addressed
09/11/2025
Objection raised — Structural
09/11/2025
Objection raised — Structural
08/27/2025
Objection raised — Scope
08/13/2025
Filed — Alteration CO
JOB FILED TO REFILE THE BIS JOB#321492149, SHOW THE CONVERSION OF THE BACK OF THE FIRST FLOOR FROM RESIDENTIAL TO COMMERCIAL, 2ND FLOOR 1 APARTMENT, 3RD FLOOR 1 APARTMENT AS PER PLANS FILED HEREWITH.
B01053187-P2
08/12/2025
Objection resolved — Addressed
Latest 60 of 116 events.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MICKWILLI1807/08/2026
450 BERGEN703/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
07/09/2024$2.6M—— → —$1,071/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
HAMANN ENGINEERING, PLLC1008/05/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BIG ORANGE EXPEDITING603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ADK MAINTENANCE INCGeneral Contractor1007/08/2026
AMOK INCPlumbing207/08/2026
ABSOLUTE SPECIAL INSPTNFire Protection107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
HAMANN ENGINEERING, PLLC4949908/05/2026
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedADK MAINTENANCE INC04/10/2026
DOB NOWGeneral ConstructionPermit IssuedADK MAINTENANCE INC04/10/2026
DOB NOWPlumbingPermit IssuedAMOK INC01/08/2026
DOB NOWMechanical SystemsPermit IssuedADK MAINTENANCE INC10/24/2025
DOB NOWSprinklersPermit IssuedABSOLUTE SPECIAL INSPTN10/06/2025
DOB NOWGeneral ConstructionPermit IssuedADK MAINTENANCE INC02/28/2025
DOB NOWGeneral ConstructionPermit IssuedADK MAINTENANCE INC01/31/2025
DOB NOWPlumbingPermit IssuedAMOK INC12/19/2024
DOB NOWGeneral ConstructionSigned-offADK MAINTENANCE INC12/17/2024
BIS—ISSUED526 3 AVE REALTY CORP09/17/2001
▾Field Inspections (DOB CAP) — 3
DateTypeResultReport
01/09/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
01/09/2026Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
01/07/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 67
DateRequirementInspectorRole
08/21/2026Sprinkler SystemsCARL HAMANNspecial
08/21/2026Fire-Resistant Penetrations and JointsCARL HAMANNspecial
03/21/2026Fire-Resistant Penetrations and JointsCARL HAMANNspecial
03/21/2026Sprinkler SystemsCARL HAMANNspecial
12/16/2025Maintenance informationCARL HAMANNenergy_progress
12/16/2025HVAC-R and service water heating system controlsCARL HAMANNenergy_progress
12/16/2025Fire-Resistant Penetrations and JointsCARL HAMANNspecial
12/16/2025HVAC-R and service water heating equipmentCARL HAMANNenergy_progress
12/16/2025HVAC-R and service water piping design and insulationCARL HAMANNenergy_progress
11/28/2025Lighting controlsCARL HAMANNenergy_progress
11/28/2025MeteringCARL HAMANNenergy_progress
11/28/2025Insulation placement and R valuesCARL HAMANNenergy_progress
11/28/2025Fenestration and door U-factor and product ratingsCARL HAMANNenergy_progress
11/28/2025Permanent certificateCARL HAMANNenergy_progress
11/28/2025Exterior lighting powerCARL HAMANNenergy_progress
11/28/2025Fenestration areasCARL HAMANNenergy_progress
11/28/2025Fire-Resistant Penetrations and JointsCARL HAMANNspecial
11/28/2025Energy Code Compliance InspectionsCARL HAMANNprogress
11/28/2025Fire-Resistance Rated ConstructionCARL HAMANNprogress
11/28/2025Air barrier - visual inspectionCARL HAMANNenergy_progress
11/28/2025Fenestration air leakageCARL HAMANNenergy_progress
11/28/2025Interior lighting powerCARL HAMANNenergy_progress
11/28/2025Maintenance informationCARL HAMANNenergy_progress
11/28/2025Air barrier — testing CARL HAMANNenergy_progress
10/08/2025Maintenance informationCARL HAMANNenergy_progress
Latest 25 of 67.
▾Documents — 77 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch10
08/23/2026B01150778-I1Request digital key ↗
08/21/2026B01053187-P1Request digital key ↗
08/21/2026B01053187-I1Request digital key ↗
Showing 3 of 10 on file for this type
▸Applications & Permits4
▸BISPLAN / WORK APPROVAL APPLICATION4
12/26/2019321492149Open ↗
10/06/2017320627023Open ↗
07/14/2017321492149Open ↗
Showing 3 of 4 on file for this type
▸Zoning, Tax Lot & Property Records1
▸BISZONING DIAGRAM1
12/18/2017321492149Open ↗
▸Seals & Professional Certifications36
▸DOB NOWProgress Inspector Seal & Signature15
09/23/2026B01150803-S2Open ↗
09/23/2026B01150803-S2Open ↗
09/23/2026B01150803-S2Open ↗
Showing 3 of 15 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature10
09/23/2026B01150803-S2Open ↗
09/23/2026B01150803-S1Open ↗
09/23/2026B01150803-S1Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature10
08/17/2026B01150803-P2Open ↗
08/17/2026B01150803-S2Open ↗
08/17/2026B01150803-P1Open ↗
Showing 3 of 10 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
12/28/2016321492149Open ↗
▸Safety & Tenant Protection5
▸DOB NOWStreet Tree Checklist3
08/13/2026B01053187-P1Open ↗
08/13/2026B01053187-P2Open ↗
08/13/2026B01053187-I1Open ↗
▸BISSTREET TREE CHECKLIST1
12/28/2016321492149Open ↗
▸BISTenant Protection Plan and Notes1
12/28/2016321492149Open ↗
▸Environmental & Asbestos8
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form5
08/17/2026B01150803-S2Open ↗
08/17/2026B01150803-S1Open ↗
08/17/2026B01150803-I1Open ↗
Showing 3 of 5 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)3
12/12/2017321492149Open ↗
12/12/2017321492149Open ↗
12/11/2014320627023Open ↗
▸Energy Compliance3
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2
10/24/2017321492149Open ↗
12/28/2016321492149Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
12/11/2014320627023Open ↗
▸Approvals, Objections & Sign-offs1
▸BISSCHEDULE A - OCCUPANCY / USE1
12/28/2016321492149Open ↗
▸Cost, Insurance & Ownership3
▸BISCOST AFFIDAVIT3
12/12/2017321492149Open ↗
12/28/2016321492149Open ↗
12/11/2014320627023Open ↗
▸Filing & Intake Forms2
▸BISEFILING COVER SHEET1
12/28/2016321492149Open ↗
▸BISBOROUGH INTAKE FORM1
10/06/2017320627023Open ↗
▸Other Documents4
▸DOB NOWProperty Ownership Certification3
08/13/2026B01053187-P1Open ↗
08/13/2026B01053187-P2Open ↗
08/13/2026B01053187-I1Open ↗
▸BISPLOT DIAGRAM1
12/28/2016321492149Open ↗