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Over six families without stores
444 15TH STREET
BROOKLYN · BIN 3026695
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1906Year Built
4Stories
C1Building Class
R6BZoning
8,484 sfGross Floor Area
8Units
Rent Stabilized12 Active Violations 11 unresolved · 1 paperwork only ▸FDNY Report ↗
Over six families without stores · Owner of record: 444 15th Owner · 2,850 sf lot · 2.98 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingGeneral
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Permit Issued — active, not yet Signed-off
RoofUnder Construction4p · 1 filing · 10 docs
Floor 4Unit 4L, Unit 4RUnder Construction26p · 5 filings · 20 docs
Floor 3Unit 3L, Unit 3RUnder Construction46p · 5 filings · 20 docs
Floor 2Unit 2L, Unit 2RUnder Construction22p · 5 filings · 20 docs
Floor 1Unit 1L, Unit 1RUnder Construction41p · 6 filings · 20 docs
Cellar444 15th Street Onwer LLCUnder Construction28p · 5 filings · 20 docs
Site & exteriorUnder Construction21p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
Peak3207/08/2026
444 15th Owner303/22/2026
3X4 Slope BK203/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/29/2023$3.0M—— → —$360/sf building
02/15/2023$2.3M—Private party → 3X4 SLOPE BK LLC$271/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
James Chai Architect2009/03/2026
Associates103/25/2025
SA-DA Architecture306/01/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
HTX Building Consulting1603/21/2026
Big Orange Expediting1003/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Northbridge ContractingGeneral Contractor2007/08/2026
Harrow NYGeneral Contractor404/09/2026
HP ServicesPlumbing307/08/2026
Tri City Mechanical GroupPlumbing307/08/2026
Nelson & Tom Maintenance Inc DBElectrical203/22/2026
Katan P & HPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
James JH Chai & Associate64811909/03/2026
A & T Design Group1088103/25/2025
SA-DA Architecture2640406/01/2023
Building Lifecycle
All (171)Filed (24)Permit Issued (23)Signed Off (1)Violation (41)Inspection (10)Objection (42)Special Inspection (30)
09/24/2026
Violation issued (ECB, open)
Construction
09/03/2026
Filed — Alteration
INTERIOR RENOVATION WORK TO UNITS #2L AND 2R AT 2ND FLOOR & RENOVATE COMMON HALLWAY FROM CELLAR TO 002, INCLUDE REMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEARING PARTITIONS, LIGHTING AND FINISH WORK. NO CHANGE TO USE, EGRESS
B01017889-P3
09/02/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
09/02/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
Joon Ho Chai
09/02/2026
Special inspection requirement — Fire-Resistance Rated Construction
Joon Ho Chai
09/02/2026
Special inspection requirement — Lighting controls
Joon Ho Chai
09/02/2026
Special inspection requirement — Energy Code Compliance Inspections
Joon Ho Chai
09/02/2026
Special inspection requirement — Final
JIN WOO LEE
09/02/2026
Special inspection requirement — Interior lighting power
Joon Ho Chai
09/02/2026
Special inspection requirement — Fenestration air leakage
Joon Ho Chai
09/02/2026
Special inspection requirement — Metering
Joon Ho Chai
09/02/2026
Special inspection requirement — Fenestration areas
Joon Ho Chai
09/02/2026
Special inspection requirement — Lighting in dwelling units
Joon Ho Chai
09/02/2026
Special inspection requirement — Air barrier - visual inspection
Joon Ho Chai
08/31/2026
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
08/26/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
08/06/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
07/16/2026
Objection resolved — Resolved
07/15/2026
Objection resolved — Addressed
07/13/2026
Objection resolved — Addressed
06/29/2026
Objection raised — Inspections
06/29/2026
Objection raised — Other
06/29/2026
Objection raised — Scope
06/05/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
06/04/2026
Filed — Alteration
REPLACEMENT OF WINDOWS & EXTERIOR REPAIR WORK AT FRONT DOOR AND FENCE. NO CHANGE TO USE, EGRESS OR OCCUPANCY
B01407147-I1
06/02/2026
Inspection — Fail-Final CND-Occupancy Inspection
Fail
View inspection ↗
03/02/2026
Permit issued — General Construction
B00835202-I1-GC
02/20/2026
Permit issued — Plumbing
B01077653-S1-PL
02/20/2026
Permit issued — Plumbing
B01017889-S1-PL
02/20/2026
Permit issued — Plumbing
B00835202-S1-PL
02/17/2026
Permit issued — Mechanical Systems
B01227437-I1-MS
02/13/2026
Permit issued — General Construction
B01077653-I1-GC
02/13/2026
Permit issued — General Construction
B01017889-I1-GC
12/18/2025
Violation issued (ECB, closed)
Unknown
11/14/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/12/2025
Permit issued — General Construction
B00835202-I1-GC
10/03/2025
Special inspection requirement — Fire-Resistance Rated Construction
Joon Ho Chai
10/03/2025
Special inspection requirement — Final
JIN WOO LEE
10/03/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
09/29/2025
Objection raised — Admin
09/29/2025
Objection resolved — Addressed
09/24/2025
Filed — Alteration
interior renovation work to apts 1R&1L at the 1st fl and apts 3L& 3R at the 3rd fl of existing 4-story multiple dwelling units, alterations to include relocated interior partitions, new exterior stairs at rear yard, no change in use, egress, occupancy
B00835202-P6
09/05/2025
Signed off — Alteration
PROPOSE INTERIOR STRUCTURAL MODIFICATION TO REINFORCE THE EXISTING FLOOR JOISTS FROM THE 1ST FLOOR TO THE 4TH FLOOR. STRUCTURAL WORK ONLY.
B01199187-I1
09/03/2025
Violation issued (ECB, closed)
Construction
09/03/2025
Violation issued (ECB, closed)
Site Safety
09/03/2025
Violation issued (ECB, open)
Site Safety
09/02/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
09/02/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
08/27/2025
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
08/18/2025
Permit issued — General Construction
B00835202-I1-GC
08/18/2025
Permit issued — General Construction
B01077653-I1-GC
08/18/2025
Permit issued — General Construction
B01017889-I1-GC
07/25/2025
Permit issued — Mechanical Systems
B01227437-I1-MS
07/03/2025
Objection resolved — Addressed
07/01/2025
Objection raised — Cost
06/20/2025
Objection resolved — Addressed
06/04/2025
Objection resolved — Addressed
06/03/2025
Objection raised — Admin
06/03/2025
Objection raised — Scope
05/29/2025
Filed — Alteration
MECHANICAL WORK TO RENOVATE UNITS #1R, 1L, 2R, 2L, 3R, 3L, 4R, 4L &ROOF. NO CHANGE TO USE, EGRESS OR OCCUPANCY
B01227437-I1
Latest 60 of 171 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedHarrow NY03/02/2026
DOB NOWPlumbingPermit IssuedFlavio Mechanical02/20/2026
DOB NOWPlumbingSigned-offFlavio Mechanical02/20/2026
DOB NOWPlumbingPermit IssuedFlavio Mechanical02/20/2026
DOB NOWMechanical SystemsPermit IssuedHarrow NY02/17/2026
DOB NOWGeneral ConstructionPermit IssuedHarrow NY02/13/2026
DOB NOWGeneral ConstructionPermit IssuedHarrow NY02/13/2026
DOB NOWGeneral ConstructionPermit IssuedNorthbridge Contracting11/12/2025
DOB NOWGeneral ConstructionPermit IssuedNorthbridge Contracting08/18/2025
DOB NOWGeneral ConstructionPermit IssuedNorthbridge Contracting08/18/2025
DOB NOWGeneral ConstructionPermit IssuedNorthbridge Contracting08/18/2025
DOB NOWMechanical SystemsPermit IssuedNorthbridge Contracting07/25/2025
DOB NOWStructuralSigned-offNorthbridge Contracting04/04/2025
DOB NOWPlumbingPermit IssuedHP Services12/19/2024
DOB NOWPlumbingSigned-offHP Services12/19/2024
DOB NOWPlumbingPermit IssuedHP Services12/19/2024
DOB NOWGeneral ConstructionPermit IssuedNorthbridge Contracting08/26/2024
DOB NOWGeneral ConstructionPermit IssuedNorthbridge Contracting08/22/2024
DOB NOWGeneral ConstructionPermit IssuedNorthbridge Contracting08/15/2024
DOB NOWGeneral ConstructionPermit IssuedNorthbridge Contracting06/17/2024
DOB NOWMechanical SystemsPermit IssuedNorthbridge Contracting04/06/2023
DOB NOWPlumbingSigned-offKatan P & H04/03/2023
DOB NOWGeneral ConstructionPermit IssuedNorthbridge Contracting03/23/2023
2 projects · most recent 05/29/2025
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
05/29/2025Permit IssuedHarrow NYHeating and Air Conditioning Systems
Heat / Cool
Daikin 4MXS36RMVJUA 36,000 BTU · Heat Pump Outdoor ×8
03/28/2024Permit IssuedNorthbridge ContractingHeating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Gree MULTI36HP230V1CO 42,500 BTU · Condensing Unit ×2
MULTI48HP230V1AO 54,500 BTU · Condensing Unit ×2
4 projects · most recent 09/03/2026
Gas Water/Sanitary
FiledStatusContractorScope
09/03/2026Signed-offTri City Mechanical GroupGas, Water/Sanitary
09/24/2025Permit IssuedTri City Mechanical GroupGas, Water/Sanitary
12/10/2024Permit IssuedTri City Mechanical GroupGas, Water/Sanitary
06/01/2023Signed-offKatan P & HGas, Water/Sanitary
2 projects · most recent 10/04/2026
General Wiring
FiledStatusContractorScope
10/04/2026Permit IssuedE & M Electrical NYGeneral Wiring
05/08/2025CancelledNelson & Tom Maintenance Inc DBGeneral Wiring
▾Field Inspections (DOB CAP) — 10
DateTypeResultReport
08/26/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
08/06/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
06/05/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
06/02/2026Fail-Final CND-Occupancy InspectionFailView ↗
09/02/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
09/02/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
08/27/2025Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
08/14/2023Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
08/14/2023Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
06/16/2023Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 90
DateRequirementInspectorRole
09/02/2026Energy Code Compliance InspectionsJoon Ho Chaiprogress
09/02/2026Air barrier - visual inspectionJoon Ho Chaienergy_progress
09/02/2026Fenestration air leakageJoon Ho Chaienergy_progress
09/02/2026Lighting controlsJoon Ho Chaienergy_progress
09/02/2026Fenestration and door U-factor and product ratingsJoon Ho Chaienergy_progress
09/02/2026Fire-Resistance Rated ConstructionJoon Ho Chaiprogress
09/02/2026FinalJIN WOO LEEprogress
09/02/2026Fire-Resistant Penetrations and JointsJoon Ho Chaispecial
09/02/2026Interior lighting powerJoon Ho Chaienergy_progress
09/02/2026MeteringJoon Ho Chaienergy_progress
09/02/2026Lighting in dwelling unitsJoon Ho Chaienergy_progress
09/02/2026Fenestration areasJoon Ho Chaienergy_progress
10/03/2025FinalJIN WOO LEEprogress
10/03/2025Fire-Resistance Rated ConstructionJoon Ho Chaiprogress
10/03/2025Fire-Resistant Penetrations and JointsJoon Ho Chaispecial
05/16/2025FinalJIN WOO LEEprogress
05/16/2025Mechanical SystemsJoon Ho Chaispecial
05/16/2025Heating SystemsJoon Ho Chaispecial
05/16/2025Fire-Resistant Penetrations and JointsJoon Ho Chaispecial
12/13/2024Energy Code Compliance InspectionsJoon Ho Chaiprogress
12/13/2024Fire-Resistant Penetrations and JointsJoon Ho Chaispecial
12/12/2024Fire-Resistant Penetrations and JointsJoon Ho Chaispecial
12/12/2024Lighting in dwelling unitsJoon Ho Chaienergy_progress
12/12/2024Interior lighting powerJoon Ho Chaienergy_progress
12/12/2024Lighting controlsJoon Ho Chaienergy_progress
Latest 25 of 90.
▾Documents — 196 on file (BIS + DOB NOW)
▸Plans & Drawings23
▸DOB NOWPlans/Sketch23
08/27/2026B00835213-I1Request digital key ↗
08/27/2026B00835213-P1Request digital key ↗
08/25/2026B00835212-I1Request digital key ↗
Showing 3 of 23 on file for this type
▸Applications & Permits23
▸DOB NOWLPC Approval/Permit22
10/14/2026B01017889-P3Open ↗
08/25/2026B00835212-I1Open ↗
08/23/2026B01017889-S1Open ↗
Showing 3 of 22 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION1
04/11/2025322120995Open ↗
▸Zoning, Tax Lot & Property Records1
▸BISTAX LOT: TENTATIVE LOT NUMBER ISSUED1
04/14/2025322120995Open ↗
▸Seals & Professional Certifications89
▸DOB NOWProgress Inspector Seal & Signature39
10/14/2026B01017889-P3Open ↗
10/14/2026B01017889-P3Open ↗
10/14/2026B01017889-P3Open ↗
Showing 3 of 39 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature26
10/14/2026B01017889-P3Open ↗
09/23/2026B00835202-P1Open ↗
09/23/2026B00835202-P1Open ↗
Showing 3 of 26 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature24
10/14/2026B01017889-P3Open ↗
08/27/2026B00835213-I1Open ↗
08/27/2026B00835213-P1Open ↗
Showing 3 of 24 on file for this type
▸Environmental & Asbestos24
▸DOB NOWDEP ACP-5: Asbestos Assessment Report24
10/14/2026B01017889-P3Open ↗
08/27/2026B00835213-I1Open ↗
08/27/2026B00835213-P1Open ↗
Showing 3 of 24 on file for this type
▸Approvals, Objections & Sign-offs3
▸BISLETTERS - SUPPORTING DOCUMENTATION3
04/11/2025322120995Open ↗
04/11/2025322120995Open ↗
04/11/2025322120995Open ↗
▸Filing & Intake Forms2
▸BISEFILING COVER SHEET1
04/11/2025322120995Open ↗
▸DOB NOWAI1 Form (from plan PDF)1
08/16/2026B00835202-P1Open ↗
▸Other Documents31
▸DOB NOWDHCR Document19
10/14/2026B01017889-P3Open ↗
08/23/2026B01017889-I1Open ↗
08/23/2026B01017889-S1Open ↗
Showing 3 of 19 on file for this type
▸DOB NOWProof of Historic Building11
08/25/2026B00835212-I1Open ↗
08/13/2026B00835202-P1Open ↗
08/13/2026B00835202-P2Open ↗
Showing 3 of 11 on file for this type
▸BISPLOT DIAGRAM1
04/11/2025322120995Open ↗