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Three families
18 KOSCIUSZKO STREET
BROOKLYN · BIN 3049715
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1899Year Built
3Stories
C0Building Class
R6BZoning
2,832 sfGross Floor Area
3Units
Rent Stabilized13 Open Violations ▸FDNY Report ↗
Three families · Owner of record: RF KOS HOLDING LLC · 1,717 sf lot · 1.65 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
Rf KOS holding LLC103/22/2026
Building Lifecycle
All (50)Violation (50)
08/14/2026
Violation issued (HPD, open)
A
08/14/2026
Violation issued (HPD, open)
B
07/04/2026
Violation issued (HPD, open)
B
07/04/2026
Violation issued (HPD, open)
B
07/04/2026
Violation issued (HPD, open)
C
07/04/2026
Violation issued (HPD, open)
B
07/04/2026
Violation issued (HPD, open)
B
07/04/2026
Violation issued (HPD, open)
B
07/04/2026
Violation issued (HPD, open)
B
07/04/2026
Violation issued (HPD, open)
C
07/04/2026
Violation issued (HPD, open)
C
05/05/2026
Violation issued (HPD, closed)
A
02/04/2026
Violation issued (HPD, closed)
B
02/04/2026
Violation issued (HPD, closed)
C
02/04/2026
Violation issued (HPD, closed)
B
02/04/2026
Violation issued (HPD, closed)
C
11/18/2025
Violation issued (HPD, closed)
I
07/13/2025
Violation issued (HPD, closed)
B
07/13/2025
Violation issued (HPD, closed)
B
06/10/2025
Violation issued (HPD, closed)
A
01/09/2025
Violation issued (ECB, closed)
Construction
08/22/2024
Violation issued (HPD, closed)
A
04/10/2024
Violation issued (HPD, closed)
A
07/13/2023
Violation issued (HPD, closed)
A
07/13/2023
Violation issued (HPD, closed)
B
03/23/2023
Violation issued (HPD, closed)
A
11/04/2022
Violation issued (HPD, closed)
I
02/25/2022
Violation issued (HPD, closed)
A
04/09/2021
Violation issued (HPD, closed)
A
01/19/2021
Violation issued (ECB, open)
Construction
01/19/2021
Violation issued (ECB, closed)
Construction
10/18/2018
Violation issued (HPD, closed)
I
12/31/2016
Violation issued (HPD, closed)
B
12/31/2016
Violation issued (HPD, closed)
C
12/31/2016
Violation issued (HPD, closed)
B
12/31/2016
Violation issued (HPD, closed)
B
12/31/2016
Violation issued (HPD, closed)
C
12/31/2016
Violation issued (HPD, closed)
C
12/31/2016
Violation issued (HPD, closed)
C
12/28/2016
Violation issued (HPD, closed)
C
12/28/2016
Violation issued (HPD, closed)
B
12/28/2016
Violation issued (HPD, closed)
C
12/28/2016
Violation issued (HPD, closed)
C
12/23/2016
Violation issued (HPD, closed)
C
11/16/2016
Violation issued (HPD, closed)
B
10/09/2015
Violation issued (HPD, closed)
I
11/21/2012
Violation issued (HPD, closed)
C
11/23/2003
Violation issued (HPD, closed)
B
10/12/1999
Violation issued (ECB, closed)
Construction
11/16/1990
Violation issued (HPD, closed)
B
Nothing on file for this building.
Nothing on file for this building.
Nothing on file for this building.
Nothing on file for this building.