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Five to six families
149 AINSLIE STREET
BROOKLYN · East Williamsburg · BIN 3069001
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1930Year Built
3Stories
C2Building Class
R6BZoning
5,625 sfGross Floor Area
6Units
Rent Stabilized2 Open Violations ▸FDNY Report ↗
Five to six families · Owner of record: 149 AINSLIE OWNER LLC · 2,500 sf lot · 2.25 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbingGeneral
Roof1p · 1 filing · 5 docs
Floor 35p · 2 filings · 20 docs
Floor 25p · 2 filings · 20 docs
Floor 18p · 2 filings · 20 docs
Cellar8p · 2 filings · 20 docs
Filed — no permit issued3p · 1 filing · 4 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
PEAK703/22/2026
149 AINSLIE OWNER LLC103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
06/13/2022$3.8M—BARTH REALTY LLC → 149 AINSLIE OWNER LLC$676/sf building
06/13/2022$3.8M—BARTH REALTY LLC → 149 AINSLIE OWNER LLC$676/sf building
10/03/2014$2.0M—— → —$356/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
JAMES CHAI ARCHITECT, P.C.311/17/2022
HAMANN ENGINEERING, PLLC111/18/2019
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BIG ORANGE EXPEDITING203/21/2026
HTX BUILDING CONSULTING303/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
JKO CONSTRUCTION & CONSU*General Contractor303/21/2026
JKO USA MANAGEMENT INCGeneral Contractor203/21/2026
LOUIS DEMICHELEElectrical103/21/2026
INNOVATION PLUMBING LLCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
JAMES JH CHAI & ASSOCIATE6481311/17/2022
HAMANN ENGINEERING, PLLC4949111/18/2019
Building Lifecycle
All (56)Filed (4)Permit Issued (3)Signed Off (2)Violation (33)Inspection (4)Special Inspection (10)
05/16/2023
Violation issued (ECB, closed)
Construction
03/21/2023
Violation issued (HPD, closed)
A
12/07/2022
Signed off — Alteration
B00796765-I1
12/07/2022
Signed off — Alteration
PLUMBING WORK TO RENOVATE (6) UNITS OF 1L, 1R, 2L, 2R, 3L, 3R & CELLAR, no change in ues, egress or occupancy
B00796771-I1
11/17/2022
Filed — Alteration
PLUMBING WORK TO RENOVATE (6) UNITS OF 1L, 1R, 2L, 2R, 3L, 3R & CELLAR, no change in ues, egress or occupancy
B00796771-P1
11/17/2022
Special inspection requirement — HVAC-R and service water heating system controls
Joon Ho Chai
11/17/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
11/17/2022
Special inspection requirement — Energy Code Compliance Inspections
Joon Ho Chai
11/17/2022
Special inspection requirement — HVAC-R and service water piping design and insulation
Joon Ho Chai
11/17/2022
Special inspection requirement — HVAC-R and service water heating equipment
Joon Ho Chai
11/16/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
11/16/2022
Special inspection requirement — Energy Code Compliance Inspections
Joon Ho Chai
11/16/2022
Special inspection requirement — HVAC-R and service water heating system controls
Joon Ho Chai
11/16/2022
Special inspection requirement — HVAC-R and service water heating equipment
Joon Ho Chai
11/16/2022
Special inspection requirement — HVAC-R and service water piping design and insulation
Joon Ho Chai
11/14/2022
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
11/14/2022
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
10/21/2022
Permit issued — Mechanical Systems
B00796765-I1-GC-CX
10/07/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
10/07/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
08/31/2022
Permit issued — Mechanical Systems
B00796765-I1-GC-CX
08/26/2022
Permit issued — Plumbing
B00796771-I1-PL
08/23/2022
Filed — Alteration
B00796765-I1
08/23/2022
Filed — Alteration
PLUMBING WORK TO RENOVATE (6) UNITS OF 1L, 1R, 2L, 2R, 3L, 3R & CELLAR, no change in ues, egress or occupancy
B00796771-I1
04/07/2021
Violation issued (HPD, closed)
A
04/07/2021
Violation issued (HPD, closed)
I
11/18/2019
Filed — Alteration
B00257829-I1
10/29/2019
Violation issued (HPD, closed)
I
11/03/2016
Violation issued (HPD, closed)
I
10/07/2016
Violation issued (HPD, closed)
A
10/07/2016
Violation issued (HPD, closed)
A
10/07/2016
Violation issued (HPD, closed)
A
12/13/2011
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/17/2009
Violation issued (HPD, closed)
A
04/20/2009
Violation issued (HPD, closed)
A
04/20/2009
Violation issued (HPD, closed)
B
04/15/2009
Violation issued (HPD, closed)
A
12/22/2008
Violation issued (HPD, closed)
A
12/22/2008
Violation issued (HPD, closed)
B
09/15/2008
Violation issued (HPD, closed)
A
09/15/2008
Violation issued (HPD, closed)
B
09/15/2008
Violation issued (HPD, closed)
B
09/15/2008
Violation issued (HPD, closed)
A
09/15/2008
Violation issued (HPD, closed)
B
09/15/2008
Violation issued (HPD, closed)
A
09/15/2008
Violation issued (HPD, closed)
A
09/15/2008
Violation issued (HPD, closed)
B
05/05/2004
Violation issued (HPD, closed)
C
05/05/2004
Violation issued (HPD, closed)
C
05/05/2004
Violation issued (HPD, closed)
C
03/26/2002
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/29/1995
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
07/25/1994
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/03/1994
Violation issued (ECB, closed)
Construction
04/05/1989
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
04/05/1989
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offJKO USA MANAGEMENT10/21/2022
DOB NOWMechanical SystemsSigned-offJKO CONSTRUCTION & CONSU*08/31/2022
DOB NOWPlumbingSigned-offINNOVATION PLUMBING LLC08/26/2022
BISOTISSUEDDMA CONTRACTING INC08/20/2021
1 project · most recent 09/22/2022
General Wiring
FiledStatusContractorScope
09/22/2022CompleteE & M ELECTRICAL NY CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
11/14/2022Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
11/14/2022Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
10/07/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
10/07/2022Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 10
DateRequirementInspectorRole
11/17/2022HVAC-R and service water heating system controlsJoon Ho Chaienergy_progress
11/17/2022Fire-Resistant Penetrations and JointsJoon Ho Chaispecial
11/17/2022Energy Code Compliance InspectionsJoon Ho Chaiprogress
11/17/2022HVAC-R and service water piping design and insulationJoon Ho Chaienergy_progress
11/17/2022HVAC-R and service water heating equipmentJoon Ho Chaienergy_progress
11/16/2022Fire-Resistant Penetrations and JointsJoon Ho Chaispecial
11/16/2022Energy Code Compliance InspectionsJoon Ho Chaiprogress
11/16/2022HVAC-R and service water heating system controlsJoon Ho Chaienergy_progress
11/16/2022HVAC-R and service water heating equipmentJoon Ho Chaienergy_progress
11/16/2022HVAC-R and service water piping design and insulationJoon Ho Chaienergy_progress
▾Documents — 36 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch3
08/28/2026B00796771-P1Request digital key ↗
08/28/2026B00796771-I1Request digital key ↗
08/28/2026B00796765-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Plumbing1
09/02/2026B00257829-I1Request digital key ↗
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
11/08/2019340705062Open ↗
▸BISWORK PERMIT APPLICATION1
11/08/2019340705062Open ↗
▸Seals & Professional Certifications13
▸DOB NOWProgress Inspector Seal & Signature4
09/01/2026B00796771-P1Open ↗
09/01/2026B00796771-P1Open ↗
08/29/2026B00796771-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/28/2026B00796771-I1Open ↗
08/28/2026B00796771-P1Open ↗
08/13/2026B00796765-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
09/01/2026B00796771-P1Open ↗
08/29/2026B00796771-I1Open ↗
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
11/08/2019340705062Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
11/08/2019340705062Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
11/08/2019340705062Open ↗
▸Safety & Tenant Protection2
▸BISTENANT PROTECTION PLAN AND NOTES1
11/08/2019340705062Open ↗
▸DOB NOWTenant Protection Plan1
08/13/2026B00257829-I1Open ↗
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/28/2026B00796771-I1Open ↗
08/28/2026B00796771-P1Open ↗
08/13/2026B00257829-I1Open ↗
Showing 3 of 4 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
11/08/2019340705062Open ↗
▸Energy Compliance4
▸DOB NOWEN2: As Built Energy Analysis2
08/13/2026B00796771-I1Open ↗
08/13/2026B00796765-I1Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
11/08/2019340705062Open ↗
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
11/08/2019340705062Open ↗
▸Inspections & Test Reports1
▸BISTECHNICAL REPORT: RESPONSIBILITY1
11/08/2019340705062Open ↗
▸Cost, Insurance & Ownership1
▸BISCOST AFFIDAVIT1
11/08/2019340705062Open ↗
▸Filing & Intake Forms1
▸BISEFILING JOB APPLICATION COVER SHEET1
11/08/2019340705062Open ↗
▸Other Documents3
▸DOB NOWDHCR Document3
08/13/2026B00796771-I1Open ↗
08/13/2026B00796771-P1Open ↗
08/13/2026B00796765-I1Open ↗