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Five to six families
308 KNICKERBOCKER AVE
BROOKLYN · BIN 3073182
💬 Discuss this project
1931Year Built
3Stories
C2Building Class
R6Zoning
4,275 sfGross Floor Area
6Units
1 Open Violation ▸FDNY Report ↗
Five to six families · Owner of record: 157 WILSON LLC · 2,500 sf lot · 1.71 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
1 job · most recent 05/12/2026
Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
05/12/2026Permit IssuedXUXU CONSTRUCTION INCVentilation Systems
Ventilation
Captiveaire HPDU50H-1200 1,500 CFM · Exhaust Fan ×2
1 job · most recent 05/12/2026
Gas Water/Sanitary
FiledStatusContractorScope
05/12/2026Permit IssuedWATSON'S PLBG, HTG, & BDGGas, Water/Sanitary
1 job · most recent 05/27/2026
General Wiring
FiledStatusContractorScope
05/27/2026Permit IssuedINTELOGIC ELECTRIC, INC.General Wiring
Building Lifecycle
All (50)Filed (2)Permit Issued (2)Violation (37)Inspection (2)Special Inspection (7)
07/16/2026
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
07/16/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
06/02/2026
Permit issued — Plumbing
B01396799-S1-PL
05/19/2026
Permit issued — General Construction
B01396799-I1-GC-CX
05/12/2026
Filed — Alteration
Plumbing fixtures and pipes for the existing ground floor take out food store.
B01396799-S1
05/12/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
ZHENHUAN XU
05/05/2026
Filed — Alteration
Plumbing fixtures and pipes for the existing ground floor take out food store.
B01396799-I1
05/04/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
ZHENHUAN XU
05/04/2026
Special inspection requirement — Final
Daniel Ng
05/04/2026
Special inspection requirement — Mechanical Systems
ZHENHUAN XU
05/04/2026
Special inspection requirement — Lighting controls
ZHENHUAN XU
05/04/2026
Special inspection requirement — Duct leakage testing, insulation and design
ZHENHUAN XU
05/04/2026
Special inspection requirement — Interior lighting power
ZHENHUAN XU
11/28/2023
Violation issued (HPD, closed)
I
03/23/2022
Violation issued (HPD, closed)
B
03/23/2022
Violation issued (HPD, closed)
B
03/16/2022
Violation issued (HPD, closed)
I
06/23/2021
Violation issued (HPD, closed)
B
06/23/2021
Violation issued (HPD, closed)
A
06/23/2021
Violation issued (HPD, closed)
A
06/23/2021
Violation issued (HPD, closed)
B
06/23/2021
Violation issued (HPD, closed)
B
06/23/2021
Violation issued (HPD, closed)
B
06/23/2021
Violation issued (HPD, open)
B
04/21/2021
Violation issued (HPD, closed)
I
11/07/2019
Violation issued (HPD, closed)
I
01/10/2018
Violation issued (HPD, closed)
I
08/04/2015
Violation issued (ECB, closed)
Construction
03/12/2013
Violation issued (ECB, closed)
Boilers
03/01/2013
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
12/13/2011
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/18/2011
Violation issued (HPD, closed)
B
05/18/2011
Violation issued (HPD, closed)
C
05/18/2011
Violation issued (HPD, closed)
B
12/31/2009
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/01/2009
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/03/2008
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/06/2006
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/26/2004
Violation issued (HPD, closed)
B
09/05/2003
Violation issued (HPD, closed)
B
09/05/2003
Violation issued (HPD, closed)
A
09/05/2003
Violation issued (HPD, closed)
A
09/05/2003
Violation issued (HPD, closed)
A
09/05/2003
Violation issued (HPD, closed)
A
08/13/2003
Violation issued (HPD, closed)
B
08/13/2003
Violation issued (HPD, closed)
A
08/13/2003
Violation issued (HPD, closed)
B
08/13/2003
Violation issued (HPD, closed)
B
07/25/1994
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/15/1990
Violation issued (DOB, closed)
VP*-VIOLATION UNSERVED ECB- DISMISSED
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
HUAN DESIGN INC205/12/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
XUXU CONSTRUCTION INCGeneral Contractor107/08/2026
WATSON'S PLBG, HTG, & BDGPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
HUAN DESIGN INC7669205/12/2026
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedWATSON'S PLBG, HTG, & BDG06/02/2026
DOB NOWGeneral ConstructionPermit IssuedXUXU CONSTRUCTION INC05/19/2026
BISMHISSUEDGREENSIDE CORP11/06/2017
BISPLISSUEDARCO PLBG AND HTG INC08/17/2006
BIS—ISSUEDENGINEER12/05/1994
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
07/16/2026Certified Gas-Gas-Piping-RoughingCertifiedView ↗
07/16/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 7
DateRequirementInspectorRole
05/12/2026Fire-Resistant Penetrations and JointsZHENHUAN XUspecial
05/04/2026Fire-Resistant Penetrations and JointsZHENHUAN XUspecial
05/04/2026FinalDaniel Ngprogress
05/04/2026Mechanical SystemsZHENHUAN XUspecial
05/04/2026Lighting controlsZHENHUAN XUenergy_progress
05/04/2026Duct leakage testing, insulation and designZHENHUAN XUenergy_progress
05/04/2026Interior lighting powerZHENHUAN XUenergy_progress
▾Documents — 27 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/17/2026B01396799-I1Request digital key ↗
08/17/2026B01396799-S1Request digital key ↗
▸Applications & Permits2
▸BISWORK PERMIT APPLICATION1
11/08/2017321680926Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION1
11/06/2017321680926Open ↗
▸Seals & Professional Certifications11
▸DOB NOWSpecial Inspector Seal & Signature3
08/31/2026B01396799-S1Open ↗
08/23/2026B01396799-I1Open ↗
08/23/2026B01396799-I1Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION2
01/29/2018321680926Open ↗
11/06/2017321680926Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/17/2026B01396799-S1Open ↗
08/17/2026B01396799-I1Open ↗
▸DOB NOWProgress Inspector Seal & Signature2
08/23/2026B01396799-I1Open ↗
08/23/2026B01396799-I1Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
11/06/2017321680926Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
11/06/2017321680926Open ↗
▸Trade Schedules & Equipment2
▸BISEQUIPMENT USE APPLICATION/PERMIT1
01/29/2018321680926Open ↗
▸BISEQUIPMENT USE PERMITS1
01/29/2018321680926Open ↗
▸Safety & Tenant Protection1
▸BISTenant Protection Plan and Notes1
11/06/2017321680926Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/17/2026B01396799-S1Open ↗
▸Energy Compliance3
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2
01/29/2018321680926Open ↗
11/06/2017321680926Open ↗
▸BISAS-BUILT ENERGY ANALYSIS1
01/29/2018321680926Open ↗
▸Approvals, Objections & Sign-offs1
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
01/29/2018321680926Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
01/29/2018321680926Open ↗
11/06/2017321680926Open ↗
▸Filing & Intake Forms2
▸BISBOROUGH INTAKE FORM1
01/29/2018321680926Open ↗
▸BISEFILING COVER SHEET1
11/06/2017321680926Open ↗