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BROOKLYN
3921 AVENUE R
BROOKLYN · BIN 3220598
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—Year Built
—Stories
—Building Class
—Zoning
—Gross Floor Area
—Units
0 Open ViolationsFDNY Report ↗
Flood zone X500
Locations of Work
ArchitectureMechanicalPlumbing
Permit Issued — active, not yet Signed-off
Floor 2Under Construction6p · 1 filing · 9 docs
Floor 1Under Construction6p · 1 filing · 9 docs
CellarUnder Construction10p · 1 filing · 9 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
VKW DESIGN409/13/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
VKW DESIGN INC207/07/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
CUBE BUILD GROUPSGeneral Contractor107/10/2026
GREGG NY PLUMBING, INCPlumbing108/26/2026
Building Lifecycle
All (15)Filed (2)Permit Issued (2)Violation (6)Special Inspection (5)
07/10/2026
Permit issued — Plumbing
B01426273-S1-PL
07/09/2026
Permit issued — Mechanical Systems
B01426273-I1-GC-CX
07/07/2026
Filed — Alteration
PROPOSED PLUMBING WORK AT CELLAR, 1ST AND 2ND FLOOR. WORK AS PER PLAN. NO CHANGE TO USE, EGRESS, OR OCCUPANCY. NO CHANGE TO BUILDING ENVELOPE OF FLOOR AREA
B01426273-S1
07/07/2026
Filed — Alteration
PROPOSED PLUMBING WORK AT CELLAR, 1ST AND 2ND FLOOR. WORK AS PER PLAN. NO CHANGE TO USE, EGRESS, OR OCCUPANCY. NO CHANGE TO BUILDING ENVELOPE OF FLOOR AREA
B01426273-I1
07/07/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Yuxuan Liu
07/07/2026
Special inspection requirement — Energy Code Compliance Inspections
Yuxuan Liu
07/07/2026
Special inspection requirement — HVAC-R and service water heating system controls
Yuxuan Liu
07/07/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Yuxuan Liu
07/07/2026
Special inspection requirement — HVAC-R and service water heating equipment
Yuxuan Liu
04/08/2024
Violation issued (HPD, closed)
A
11/22/2023
Violation issued (HPD, closed)
I
03/21/2023
Violation issued (HPD, closed)
A
02/23/2022
Violation issued (HPD, closed)
A
11/17/2017
Violation issued (HPD, closed)
I
11/03/2016
Violation issued (HPD, closed)
I
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedGREGG NY PLUMBING, INC07/10/2026
DOB NOWMechanical SystemsPermit IssuedCUBE BUILD GROUPS INC07/09/2026
1 project · most recent 07/07/2026
Gas Water/Sanitary
FiledStatusContractorScope
07/07/2026Permit IssuedGREGG NY PLUMBING, INCGas, Water/Sanitary
1 project · most recent 07/16/2026
General Wiring
FiledStatusContractorScope
07/16/2026Permit IssuedJKL ELECTRIC LLCGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 5
DateRequirementInspectorRole
07/07/2026Fire-Resistant Penetrations and JointsYuxuan Liuspecial
07/07/2026Energy Code Compliance InspectionsYuxuan Liuprogress
07/07/2026HVAC-R and service water heating system controlsYuxuan Liuenergy_progress
07/07/2026HVAC-R and service water piping design and insulationYuxuan Liuenergy_progress
07/07/2026HVAC-R and service water heating equipmentYuxuan Liuenergy_progress
▾Documents — 9 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/16/2026B01426273-I1Request digital key ↗
08/16/2026B01426273-S1Request digital key ↗
▸Seals & Professional Certifications5
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/16/2026B01426273-I1Open ↗
08/16/2026B01426273-S1Open ↗
▸DOB NOWProgress Inspector Seal & Signature2
08/24/2026B01426273-S1Open ↗
08/24/2026B01426273-S1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/24/2026B01426273-S1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/16/2026B01426273-I1Open ↗
08/16/2026B01426273-S1Open ↗