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Primarily 4 family with 1 store or office
6404 20 AVENUE
BROOKLYN · BIN 3133597
💬 Discuss this project
1931Year Built
3Stories
S4Building Class
R5Zoning
3,322 sfGross Floor Area
5Units
Rent Stabilized3 Open Violations 2 unresolved · 1 paperwork only ▸FDNY Report ↗
Primarily 4 family with 1 store or office · Owner of record: 6404 20TH AVENUE · 1,600 sf lot · 2.08 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
KAJ NY CONSTRUCTION INC503/22/2026
6404 20TH AVENUE LLC1203/22/2026
MARIA MONTALBANO IRREV TRUST203/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SYED ENGINEERING, P.C.101/06/2020
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
ADVANCED BUILDERS SERVICES103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
KAJ NY CONSTRUCTION INCGeneral Contractor303/21/2026
Building Lifecycle
All (30)Filed (1)Permit Issued (1)Violation (28)
05/01/2026
Violation issued (HPD, closed)
A
11/18/2025
Violation issued (HPD, closed)
I
06/06/2025
Violation issued (HPD, closed)
A
04/03/2024
Violation issued (HPD, closed)
A
03/20/2023
Violation issued (HPD, closed)
A
10/25/2022
Violation issued (FDNY_NOV, closed)
02/22/2022
Violation issued (HPD, closed)
A
02/04/2022
Violation issued (ECB, closed)
Construction
02/04/2022
Violation issued (ECB, open)
Construction
02/04/2022
Violation issued (ECB, open)
Construction
02/02/2022
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
12/01/2021
Violation issued (ECB, closed)
Construction
12/01/2021
Violation issued (ECB, closed)
Construction
12/01/2021
Violation issued (ECB, closed)
Construction
11/08/2021
Violation issued (ECB, closed)
Zoning
11/08/2021
Violation issued (ECB, closed)
Construction
06/16/2021
Violation issued (ECB, closed)
Construction
06/16/2021
Violation issued (ECB, closed)
Zoning
04/06/2021
Violation issued (HPD, closed)
A
11/25/2020
Violation issued (ECB, open)
Construction
11/25/2020
Violation issued (ECB, closed)
Construction
11/25/2020
Violation issued (ECB, closed)
Zoning
05/19/2020
Violation issued (ECB, closed)
Construction
01/06/2020
Filed — Alteration
B00290236-I1
01/06/2020
Permit issued — Sidewalk Shed
B00290236-I1-SH
02/02/2017
Violation issued (FDNY_NOV, closed)
01/05/2017
Violation issued (FDNY_NOV, closed)
10/06/2010
Violation issued (FDNY_NOV, closed)
10/06/2010
Violation issued (FDNY_NOV, closed)
06/24/2004
Violation issued (FDNY_NOV, closed)
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSidewalk ShedPermit IssuedKAJ NY CONSTRUCTION INC01/06/2020
1 project · most recent 01/05/2020
FiledStatusContractorScope
01/05/2020Permit IssuedRICHARD NEU—
Nothing on file for this building.
▾Documents — 1 on file (BIS + DOB NOW)
▸Safety & Tenant Protection1
▸DOB NOWTenant Protection Plan1
08/13/2026B00290236-I1Open ↗