← Back
Four families
424 ATLANTIC AVENUE
BROOKLYN · BIN 3000926
💬 Discuss this project
1855Year Built
3Stories
C3Building Class
R6AZoning
3,600 sfGross Floor Area
4Units
Rent Stabilized1 Open Violation ▸
Four families · Owner of record: 1800 FLATBUSH REALTY CORP · 1,600 sf lot · 2.25 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire Protection
Permit Issued — active, not yet Signed-off
Roof5p · 1 filing · 20 docs
Floor 3Under Construction23p · 2 filings · 20 docs
Floor 2Under Construction21p · 2 filings · 20 docs
Floor 1Under Construction21p · 1 filing · 20 docs
CellarUnder Construction23p · 2 filings · 20 docs
Basement2p · 1 filing · 20 docs
Sub-BasementUnder Construction20p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
GREENBROOK PARTNERS809/13/2026
1800 FLATBUSH REALTY2203/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
01/16/2026$2.9M—1800 FLATBUSH REALTY CORP. → 424 ATLANTIC AVE, LLC$812/sf building
01/25/2019$3.1M—Private party → 1800 FLATBUSH REALTY CORP$861/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
BORO ARCHITECTS LLC506/25/2026
LEONID KRUPNIK, P.E.308/02/2024
GR CONSULTING203/28/2024
BRENT M. PORTER, ARCHITECT, AND ASS205/05/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BMB BUILDING CONSULTING1403/21/2026
PERMITWISE603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
HARROW NY INCGeneral Contractor204/09/2026
TRI CITY MECHANICAL GROUP CORPPlumbing106/28/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
AN SHEN MA ARCHITECT2968506/25/2026
Building Lifecycle
All (173)Filed (12)Permit Issued (3)Violation (48)Inspection (8)Objection (72)Special Inspection (30)
08/06/2026
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
06/26/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
AN MA
06/26/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
AN MA
06/26/2026
Special inspection requirement — Energy Code Compliance Inspections
AN MA
06/25/2026
Filed — Alteration
Interior renovation of apartments 1, 2,3 & 4. No change to use, occupancy or egress under this application.
B01348239-P3
06/24/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
AN MA
06/24/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
AN MA
06/24/2026
Special inspection requirement — Energy Code Compliance Inspections
AN MA
06/22/2026
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
06/15/2026
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
06/12/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
06/03/2026
Filed — Alteration
Interior renovation of apartments 1, 2,3 & 4. No change to use, occupancy or egress under this application.
B01348239-P2
06/02/2026
Special inspection requirement — Energy Code Compliance Inspections
AN MA
06/02/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
AN MA
06/02/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
AN MA
05/20/2026
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
05/06/2026
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
05/01/2026
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
02/24/2026
Permit issued — Plumbing
B01348239-S1-PL
02/19/2026
Permit issued — General Construction
B01348239-I1-GC
02/19/2026
Permit issued — Mechanical Systems
B01348239-S2-MS
02/03/2026
Filed — Alteration
Interior renovation of apartments 1, 2,3 & 4. No change to use, occupancy or egress under this application.
B01348239-I1
02/03/2026
Filed — Alteration
Interior renovation of apartments 1, 2,3 & 4. No change to use, occupancy or egress under this application.
B01348239-S2
02/03/2026
Filed — Alteration
Interior renovation of apartments 1, 2,3 & 4. No change to use, occupancy or egress under this application.
B01348239-S1
01/22/2026
Special inspection requirement — Energy Code Compliance Inspections
AN MA
01/22/2026
Special inspection requirement — HVAC-R and service water heating system controls
AN MA
01/22/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
AN MA
01/22/2026
Special inspection requirement — HVAC-R and service water heating equipment
AN MA
01/22/2026
Special inspection requirement — Maintenance information
AN MA
01/19/2026
Special inspection requirement — Final
AN MA
01/19/2026
Special inspection requirement — Fire-Resistance Rated Construction
AN MA
01/19/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
AN MA
01/19/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
AN MA
01/19/2026
Special inspection requirement — Final
AN MA
01/19/2026
Special inspection requirement — Energy Code Compliance Inspections
AN MA
01/19/2026
Special inspection requirement — Mechanical Systems
AN MA
01/19/2026
Special inspection requirement — Lighting in dwelling units
AN MA
01/19/2026
Special inspection requirement — Metering
AN MA
11/19/2025
Violation issued (HPD, closed)
I
07/28/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
06/06/2025
Violation issued (HPD, closed)
A
11/27/2024
Violation issued (HPD, closed)
I
08/15/2024
Objection resolved — Addressed
08/08/2024
Objection raised — Scope
08/08/2024
Objection resolved — Addressed
08/06/2024
Objection resolved — Addressed
08/06/2024
Objection resolved — Addressed
08/02/2024
Filed — Alteration CO
Proposed Slab-On-Grade grade beam foundation, and new foundation work for a new fire escape passageway at the rear yard to connect the fireproof passageway at the existing cellar level.
B00861203-S5
07/26/2024
Objection resolved — Addressed
07/25/2024
Objection resolved — Addressed
07/24/2024
Objection raised — DPL-1
07/23/2024
Objection resolved — Addressed
07/18/2024
Objection resolved — Addressed
07/18/2024
Special inspection requirement — Structural Steel - Welding
07/18/2024
Special inspection requirement — Structural Steel - Details
07/18/2024
Special inspection requirement — Structural Cold-Formed Steel
07/18/2024
Special inspection requirement — Masonry
07/18/2024
Special inspection requirement — Structural Steel - High Strength Bolting
06/18/2024
Special inspection requirement — Concrete - Cast-In-Place
06/14/2024
Objection resolved — Addressed
Latest 60 of 173 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedFLAVIO MECHANICAL CORP02/24/2026
DOB NOWGeneral ConstructionPermit IssuedHARROW NY02/19/2026
DOB NOWMechanical SystemsPermit IssuedHARROW NY02/19/2026
1 project · most recent 08/02/2024
Air Conditioning Systems Heating Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
08/02/2024——Air Conditioning Systems, Heating Systems, Ventilation Systems
Cooling
Daikin 4MXS36RMVJUA 36,000 BTU · Heat Pump Outdoor ×3
MXS48TVJUA 48,000 BTU · Heat Pump Outdoor ×1
Heating
Daikin 4MXS36RMVJUA 36,000 BTU · Heat Pump Outdoor ×3
MXS48TVJUA 48,000 BTU · Heat Pump Outdoor ×1
Ventilation
Greenheck SFD-7 300 CFM · Exhaust Fan ×2
1 project · most recent 08/02/2024
Sprinkler System
FiledStatusContractorScope
08/02/2024——Sprinkler System
2 projects · most recent 06/25/2026
Water/Sanitary Gas Storm
FiledStatusContractorScope
06/25/2026Permit IssuedTRI CITY MECHANICAL GROUPGas, Water/Sanitary
08/02/2024——Storm, Water/Sanitary
1 project · most recent 02/23/2026
General Wiring
FiledStatusContractorScope
02/23/2026Permit IssuedE & M ELECTRICAL NY CORPGeneral Wiring
1 project · most recent 08/02/2024
Steel Masonry
FiledStatusContractorScope
08/02/2024——Steel, Masonry
1 project · most recent 05/04/2023
Fence
FiledStatusContractorScope
05/04/2023——Fence
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
08/06/2026Pass-Final CND-Occupancy InspectionPassView ↗
06/22/2026Fail-Final PL - Up to 3 Requested FloorsFailView ↗
06/15/2026Fail-Final PL - Up to 3 Requested FloorsFailView ↗
06/12/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
05/20/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
05/06/2026Pass-Final PL - Up to 3 Requested FloorsPassView ↗
05/01/2026Fail-Final PL - Up to 3 Requested FloorsFailView ↗
07/28/2025Pass-Final CND-Occupancy InspectionPassView ↗
▾Special Inspection Requirements (DOB NOW) — 60
DateRequirementInspectorRole
06/26/2026Fire-Resistant Penetrations and JointsAN MAspecial
06/26/2026HVAC-R and service water piping design and insulationAN MAenergy_progress
06/26/2026Energy Code Compliance InspectionsAN MAprogress
06/24/2026Fire-Resistant Penetrations and JointsAN MAspecial
06/24/2026HVAC-R and service water piping design and insulationAN MAenergy_progress
06/24/2026Energy Code Compliance InspectionsAN MAprogress
06/02/2026Energy Code Compliance InspectionsAN MAprogress
06/02/2026HVAC-R and service water piping design and insulationAN MAenergy_progress
06/02/2026Fire-Resistant Penetrations and JointsAN MAspecial
01/22/2026Energy Code Compliance InspectionsAN MAprogress
01/22/2026HVAC-R and service water heating system controlsAN MAenergy_progress
01/22/2026Fire-Resistant Penetrations and JointsAN MAspecial
01/22/2026HVAC-R and service water heating equipmentAN MAenergy_progress
01/22/2026Maintenance informationAN MAenergy_progress
01/19/2026FinalAN MAprogress
01/19/2026Fire-Resistance Rated ConstructionAN MAprogress
01/19/2026Structural Stability – Alterations of existing buildingsAN MAspecial
01/19/2026Fire-Resistant Penetrations and JointsAN MAspecial
01/19/2026FinalAN MAprogress
01/19/2026Energy Code Compliance InspectionsAN MAprogress
01/19/2026Mechanical SystemsAN MAspecial
01/19/2026Lighting in dwelling unitsAN MAenergy_progress
01/19/2026MeteringAN MAenergy_progress
07/18/2024Structural Steel - Welding—special
07/18/2024Structural Steel - Details—special
Latest 25 of 60.
▾Documents — 135 on file (BIS + DOB NOW)
▸Plans & Drawings13
▸DOB NOWPlans/Sketch13
08/16/2026B01348239-P2Request digital key ↗
08/16/2026B01348239-P1Request digital key ↗
08/16/2026B01348239-S2Request digital key ↗
Showing 3 of 13 on file for this type
▸Applications & Permits20
▸DOB NOWLPC Approval/Permit11
08/16/2026B01348239-P1Open ↗
08/16/2026B01348239-P3Open ↗
08/16/2026B01348239-P2Open ↗
Showing 3 of 11 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION9
04/22/2024322008475Open ↗
06/21/2021322008475Open ↗
07/21/2020340740700Open ↗
Showing 3 of 9 on file for this type
▸Zoning, Tax Lot & Property Records8
▸BISZONING DIAGRAM2
01/06/2022322008475Open ↗
03/24/2021322008475Open ↗
▸BISADDRESS: NEW HOUSE NUMBER APPROVED1
05/22/2020322008475Open ↗
▸BISZONING EXHIBIT I: CERTIFICATION1
12/09/2019322008475Open ↗
▸BISZONING APPEAL1
12/09/2019322008475Open ↗
▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1
12/09/2019322008475Open ↗
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B00861203-I1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B00861203-I1Open ↗
▸Seals & Professional Certifications35
▸DOB NOWDPL-1: Design Professional Seal & Signature13
08/27/2026B00861203-I1Open ↗
08/27/2026B00861203-S1Open ↗
08/27/2026B00861203-S2Open ↗
Showing 3 of 13 on file for this type
▸DOB NOWProgress Inspector Seal & Signature12
09/19/2026B01348239-P2Open ↗
09/19/2026B01348239-P2Open ↗
09/04/2026B01348239-P1Open ↗
Showing 3 of 12 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
09/19/2026B01348239-P2Open ↗
09/04/2026B01348239-P1Open ↗
08/31/2026B01348239-S2Open ↗
Showing 3 of 6 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
07/21/2020340740700Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
07/21/2020340740700Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
08/13/2019322008475Open ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
07/21/2020340740700Open ↗
▸Safety & Tenant Protection6
▸BISSTREET TREE CHECKLIST3
03/05/2021322008475Open ↗
02/26/2020322042311Open ↗
08/13/2019322008475Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B00861203-I1Open ↗
▸DOB NOWStreet Tree Checklist1
08/14/2026B00861203-I1Open ↗
▸DOB NOWStreet Trees Site Plan1
08/13/2026B00861203-I1Open ↗
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
08/16/2026B01348239-P3Open ↗
08/16/2026B01348239-P1Open ↗
08/16/2026B01348239-S2Open ↗
Showing 3 of 9 on file for this type
▸Energy Compliance1
▸BISNYCECC EXEMPTION1
07/30/2021322008475Open ↗
▸Inspections & Test Reports6
▸BISTECHNICAL REPORT: RESPONSIBILITY4
03/05/2021322008475Open ↗
07/21/2020340740700Open ↗
05/22/2020322008475Open ↗
Showing 3 of 4 on file for this type
▸BISSOIL REPORT1
05/22/2020322008475Open ↗
▸BISTECHNICAL REPORT: SOIL INSPECTION1
05/22/2020322008475Open ↗
▸Approvals, Objections & Sign-offs11
▸BISSCHEDULE A - OCCUPANCY / USE8
05/16/2020322008475Open ↗
05/06/2020322008475Open ↗
04/09/2020322008475Open ↗
Showing 3 of 8 on file for this type
▸BISLANDMARKS APPROVAL2
01/06/2022322008475Open ↗
07/21/2020340740700Open ↗
▸BISACPE Objection Review Request1
12/09/2019322008475Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
07/21/2020340740700Open ↗
08/13/2019322008475Open ↗
▸Filing & Intake Forms16
▸BISADDITIONAL INFORMATION12
01/06/2022322008475Open ↗
12/20/2021322008475Open ↗
12/20/2021322008475Open ↗
Showing 3 of 12 on file for this type
▸BISEFILING COVER SHEET2
02/26/2020322042311Open ↗
08/13/2019322008475Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
07/21/2020340740700Open ↗
▸BISBOROUGH INTAKE FORM1
04/09/2020322008475Open ↗
▸Other Documents8
▸DOB NOWPlot Diagram3
08/13/2026B00861203-S4Open ↗
08/13/2026B00861203-S1Open ↗
08/13/2026B00861203-I1Open ↗
▸BISPLOT DIAGRAM1
05/22/2020322008475Open ↗
▸BISSUSTAINABLE ROOF ZONE FORM1
03/05/2021322008475Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B00861203-I1Open ↗
▸DOB NOWProperty Ownership Certification1
08/14/2026B00861203-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/13/2026B00861203-I1Open ↗