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City residence, one family
271 BROOKLYN AVENUE
BROOKLYN · BIN 3032764
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1908Year Built
3Stories
A4Building Class
R6Zoning
3,360 sfGross Floor Area
1Units
1 Open Violation ▸FDNY Report ↗
City residence, one family · 1,900 sf lot · 1.77 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbing
Permit Issued — active, not yet Signed-off
CellarUnder Construction3p · 1 filing · 13 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
POLAR ENGINEERING, P.C.211/28/2025
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
KNOCKOUT RENOVATIONS SVCSGeneral Contractor307/17/2026
HUDSON RIVER MECH GROUP IPlumbing107/15/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
WELLDONE INSPECTION INC.8628211/28/2025
Building Lifecycle
All (20)Filed (2)Permit Issued (5)Violation (1)Objection (4)Special Inspection (8)
07/16/2026
Permit issued — General Construction
B01300713-I1-GC
07/14/2026
Permit issued — Plumbing
B01300713-S1-PL
07/09/2026
Permit issued — General Construction
B01300713-I1-GC
06/29/2026
Permit issued — General Construction
B01300713-I1-GC
02/06/2026
Permit issued — General Construction
B01300713-I1-GC
12/18/2025
Objection resolved — Addressed
12/18/2025
Objection resolved — Addressed
12/17/2025
Objection raised — Admin
12/17/2025
Objection raised — Cost
11/28/2025
Filed — Alteration
INTERIOR RENOVATION ON CELLAR FLOOR OF EXISTING BUILDING, GENERAL CONSTRUCTION AS PER PLAN. NO CHANGE IN EGRESS, USE OR OCCUPANCY.
B01300713-S1
11/13/2025
Filed — Alteration
INTERIOR RENOVATION ON CELLAR FLOOR OF EXISTING BUILDING, GENERAL CONSTRUCTION AS PER PLAN. NO CHANGE IN EGRESS, USE OR OCCUPANCY.
B01300713-I1
10/09/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
QIUFAN JIANG
10/09/2025
Special inspection requirement — Final
QIUFAN JIANG
10/09/2025
Special inspection requirement — Energy Code Compliance Inspections
QIUFAN JIANG
10/09/2025
Special inspection requirement — Fire-Resistance Rated Construction
QIUFAN JIANG
10/09/2025
Special inspection requirement — Insulation placement and R values
QIUFAN JIANG
10/09/2025
Special inspection requirement — Interior lighting power
QIUFAN JIANG
10/09/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
QIUFAN JIANG
10/09/2025
Special inspection requirement — Energy Code Compliance Inspections
QIUFAN JIANG
07/16/2004
Violation issued (HPD, open)
C
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedKNOCKOUT RENOVATIONS SVCS07/16/2026
DOB NOWPlumbingPermit IssuedHUDSON RIVER MECH GROUP I07/14/2026
DOB NOWGeneral ConstructionPermit IssuedKNOCKOUT RENOVATIONS SVCS07/09/2026
DOB NOWGeneral ConstructionPermit IssuedKNOCKOUT RENOVATIONS SVCS06/29/2026
DOB NOWGeneral ConstructionPermit IssuedKNOCKOUT RENOVATIONS SVCS02/06/2026
1 project · most recent 11/28/2025
Gas Water/Sanitary
FiledStatusContractorScope
11/28/2025Permit IssuedARJ MECHANICAL INCGas, Water/Sanitary
1 project · most recent 07/11/2025
General Wiring
FiledStatusContractorScope
07/11/2025Permit IssuedSOLEIRE ELECL SOLTNS CORPGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 8
DateRequirementInspectorRole
10/09/2025Fire-Resistant Penetrations and JointsQIUFAN JIANGspecial
10/09/2025FinalQIUFAN JIANGprogress
10/09/2025Energy Code Compliance InspectionsQIUFAN JIANGprogress
10/09/2025Fire-Resistance Rated ConstructionQIUFAN JIANGprogress
10/09/2025Insulation placement and R valuesQIUFAN JIANGenergy_progress
10/09/2025Interior lighting powerQIUFAN JIANGenergy_progress
10/09/2025Fire-Resistant Penetrations and JointsQIUFAN JIANGspecial
10/09/2025Energy Code Compliance InspectionsQIUFAN JIANGprogress
▾Documents — 13 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/19/2026B01300713-S1Request digital key ↗
08/19/2026B01300713-I1Request digital key ↗
▸Applications & Permits2
▸DOB NOWLPC Approval/Permit2
08/13/2026B01300713-S1Open ↗
08/13/2026B01300713-I1Open ↗
▸Seals & Professional Certifications7
▸DOB NOWProgress Inspector Seal & Signature3
09/01/2026B01300713-S1Open ↗
08/24/2026B01300713-I1Open ↗
08/24/2026B01300713-I1Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/13/2026B01300713-I1Open ↗
08/13/2026B01300713-S1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
09/01/2026B01300713-S1Open ↗
08/24/2026B01300713-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/13/2026B01300713-S1Open ↗
08/13/2026B01300713-I1Open ↗