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Three families
3421 AVENUE I
BROOKLYN · BIN 3206465
💬 Discuss this project
1915Year Built
2Stories
C0Building Class
R6Zoning
2,376 sfGross Floor Area
3Units
Rent Stabilized28 Open Violations 27 unresolved · 1 paperwork only ▸FDNY Report ↗
Three families · Owner of record: 3421 AVENUE I LLC · 2,350 sf lot · 1.01 FAR built · Flood zone X
Locations of Work
Fire Protection
Penthouse1p · 1 filing · 3 docs
Floor 21p · 1 filing · 3 docs
Floor 1
Basement1p · 1 filing · 3 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
3421 AVENUE I1103/22/2026
718 DEVELOPMENT GROUP403/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/07/2018$825K—— → —$347/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
L & C ASSOCIATES208/07/2019
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
FIVE BORO CONSULTING EXPEDITING403/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
PROMISE CONSULTANTS1412108/07/2019
Building Lifecycle
All (34)Filed (2)Violation (32)
05/01/2026
Violation issued (HPD, open)
A
11/18/2025
Violation issued (HPD, open)
I
10/15/2025
Violation issued (ECB, open)
Construction
06/06/2025
Violation issued (HPD, open)
A
11/26/2024
Violation issued (HPD, open)
I
04/08/2024
Violation issued (HPD, open)
A
11/17/2023
Violation issued (HPD, open)
I
03/21/2023
Violation issued (HPD, open)
A
11/07/2022
Violation issued (HPD, open)
I
02/23/2022
Violation issued (HPD, open)
A
02/23/2022
Violation issued (HPD, open)
I
04/07/2021
Violation issued (HPD, open)
I
04/07/2021
Violation issued (HPD, open)
A
10/29/2019
Violation issued (HPD, open)
I
08/07/2019
Filed — Alteration
B00185154-I1
08/07/2019
Filed — Alteration
B00203928-I1
10/15/2018
Violation issued (HPD, open)
I
02/08/2017
Violation issued (HPD, open)
C
02/08/2017
Violation issued (HPD, closed)
C
02/08/2017
Violation issued (HPD, open)
C
02/08/2017
Violation issued (HPD, open)
C
11/03/2016
Violation issued (HPD, closed)
I
10/07/2015
Violation issued (HPD, closed)
I
05/07/2015
Violation issued (ECB, open)
Construction
03/19/2015
Violation issued (HPD, open)
C
03/19/2015
Violation issued (HPD, open)
B
03/19/2015
Violation issued (HPD, open)
A
03/19/2015
Violation issued (HPD, open)
C
03/19/2015
Violation issued (HPD, open)
B
03/19/2015
Violation issued (HPD, open)
B
03/19/2015
Violation issued (HPD, open)
B
03/19/2015
Violation issued (HPD, open)
B
03/19/2015
Violation issued (HPD, open)
A
03/19/2015
Violation issued (HPD, closed)
C
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
BIS—ISSUEDJCM PRO BUILDERS LLC12/28/2021
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 88 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch - Sprinkler1
09/02/2026B00203928-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Construction Fence1
09/02/2026B00185154-I1Request digital key ↗
▸Applications & Permits24
▸BISPLAN / WORK APPROVAL APPLICATION12
12/08/2021321387735Open ↗
11/10/2021321387735Open ↗
08/18/2021340686813Open ↗
Showing 3 of 12 on file for this type
▸BISWORK PERMIT APPLICATION9
01/03/2022321387735Open ↗
01/03/2022321387735Open ↗
01/03/2022321387735Open ↗
Showing 3 of 9 on file for this type
▸BISBPP-5 - Authorization to the Department of Transportation2
09/09/2021340686813Open ↗
11/04/2020340686813Open ↗
▸BISPARTIAL DEMO: 10-DAY NOTICE (FOR AL/EW-OT PERMITS)1
12/10/2021321387735Open ↗
▸Zoning, Tax Lot & Property Records5
▸BISZONING DIAGRAM3
02/01/2022321387735Open ↗
12/17/2019321387735Open ↗
11/15/2019321387735Open ↗
▸BISZONING EXHIBIT I: CERTIFICATION1
11/15/2019321387735Open ↗
▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1
11/15/2019321387735Open ↗
▸Seals & Professional Certifications4
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/13/2026B00185154-I1Open ↗
08/13/2026B00203928-I1Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
01/03/2022321387735Open ↗
▸BISAPPLICANT OWNER SIGNATURE1
07/16/2019340686813Open ↗
▸Trade Schedules & Equipment1
▸BIS* SEWER CONNECTION: DEP SD1 & SD21
11/15/2019321387735Open ↗
▸Safety & Tenant Protection8
▸BISSTREET TREE CHECKLIST4
12/10/2021321387735Open ↗
12/17/2019321387735Open ↗
11/15/2019321387735Open ↗
Showing 3 of 4 on file for this type
▸BISBPP: STREET TREES SITE PLAN1
11/04/2020340686813Open ↗
▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1
12/10/2021321387735Open ↗
▸BISSTREET TREES: RECEIPT OF STREET TREES SITE PLAN1
12/10/2021321387735Open ↗
▸DOB NOWTenant Protection Plan1
08/13/2026B00185154-I1Open ↗
▸Environmental & Asbestos2
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
11/15/2019321387735Open ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B00203928-I1Open ↗
▸Energy Compliance2
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2
12/10/2021321387735Open ↗
12/17/2019321387735Open ↗
▸Inspections & Test Reports6
▸BISTECHNICAL REPORT: RESPONSIBILITY5
12/10/2021321387735Open ↗
12/17/2019321387735Open ↗
12/17/2019321387735Open ↗
Showing 3 of 5 on file for this type
▸BISSOIL REPORT1
08/15/2019321387735Open ↗
▸Approvals, Objections & Sign-offs6
▸BISSCHEDULE A - OCCUPANCY / USE5
12/10/2019321387735Open ↗
12/05/2019321387735Open ↗
11/01/2019321387735Open ↗
Showing 3 of 5 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION1
08/15/2019321387735Open ↗
▸Cost, Insurance & Ownership3
▸BISCOST AFFIDAVIT2
12/17/2019321387735Open ↗
05/22/2019321915344Open ↗
▸BISPROJECT-SPECIFIC GL INSURANCE1
12/10/2021321387735Open ↗
▸Filing & Intake Forms19
▸BISADDITIONAL INFORMATION12
02/01/2022321387735Open ↗
09/09/2021340686813Open ↗
08/31/2021340686813Open ↗
Showing 3 of 12 on file for this type
▸BISEFILING COVER SHEET3
05/22/2019321915344Open ↗
05/13/2019321387735Open ↗
05/09/2019321387735Open ↗
▸BISBOROUGH INTAKE FORM2
01/03/2022321387735Open ↗
01/03/2022321387735Open ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
07/16/2019340686813Open ↗
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
09/09/2021340686813Open ↗
▸Other Documents6
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION4
11/15/2019321387735Open ↗
11/15/2019321387735Open ↗
11/15/2019321387735Open ↗
Showing 3 of 4 on file for this type
▸BISBPP - SUPPORTING DOCUMENTATION1
09/09/2021340686813Open ↗
▸BISSUSTAINABLE ROOF ZONE FORM1
12/17/2019321387735Open ↗