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Three families
280 HANCOCK STREET
BROOKLYN · BIN 3052752
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1891Year Built
3Stories
C0Building Class
R6BZoning
3,600 sfGross Floor Area
3Units
Rent Stabilized0 Open ViolationsFDNY Report ↗
Three families · 2,000 sf lot · 1.8 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbingFire Protection
Permit Issued — active, not yet Signed-off
Floor 3Under Construction2p · 1 filing · 12 docs
Floor 2Under Construction2p · 1 filing · 12 docs
Floor 1Under Construction3p · 1 filing · 12 docs
CellarUnder Construction3p · 1 filing · 12 docs
Sub-BasementUnder Construction2p · 1 filing · 12 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
07/25/2025$1.1M—Private party → Private party$306/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
COGEN ARCHITECTS207/07/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
PREMIER FLOW PLBG AND HTGPlumbing207/11/2026
CORE TECH LLCGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
QUALITY CONTROL LABORATOR406107/07/2026
Building Lifecycle
All (56)Filed (2)Permit Issued (3)Violation (46)Inspection (3)Special Inspection (2)
07/24/2026
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
07/24/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
07/24/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
07/10/2026
Permit issued — Sprinklers
B01387834-S1-PL
07/10/2026
Permit issued — Sprinklers
B01387834-S1-EW-SP
07/07/2026
Filed — Alteration
Remove interior non load-bearing partitions, doors and frames, and built-in casework as per drawings.
B01387834-S1
05/27/2026
Special inspection requirement — Sprinkler Systems
EDWIN DEGUZMAN
04/21/2026
Permit issued — General Construction
B01387834-I1-GC
04/16/2026
Filed — Alteration
Remove interior non load-bearing partitions, doors and frames, and built-in casework as per drawings.
B01387834-I1
04/15/2026
Special inspection requirement — Final
MICHAEL COGEN
06/09/2025
Violation issued (HPD, closed)
A
04/10/2024
Violation issued (HPD, closed)
A
11/20/2023
Violation issued (HPD, closed)
I
03/23/2023
Violation issued (HPD, closed)
A
11/09/2022
Violation issued (HPD, closed)
I
02/25/2022
Violation issued (HPD, closed)
A
02/25/2022
Violation issued (HPD, closed)
I
04/09/2021
Violation issued (HPD, closed)
A
04/09/2021
Violation issued (HPD, closed)
I
10/30/2019
Violation issued (HPD, closed)
I
05/30/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/30/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/30/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/09/2018
Violation issued (ECB, closed)
Plumbing
03/09/2018
Violation issued (ECB, closed)
Construction
03/09/2018
Violation issued (ECB, closed)
Plumbing
03/04/2018
Violation issued (HPD, closed)
C
03/04/2018
Violation issued (HPD, closed)
C
03/04/2018
Violation issued (HPD, closed)
C
01/02/2018
Violation issued (HPD, closed)
C
01/02/2018
Violation issued (HPD, closed)
B
01/02/2018
Violation issued (HPD, closed)
A
01/02/2018
Violation issued (HPD, closed)
C
01/02/2018
Violation issued (HPD, closed)
C
01/02/2018
Violation issued (HPD, closed)
A
01/02/2018
Violation issued (HPD, closed)
A
01/02/2018
Violation issued (HPD, closed)
A
01/02/2018
Violation issued (HPD, closed)
A
01/02/2018
Violation issued (HPD, closed)
A
01/02/2018
Violation issued (HPD, closed)
B
01/02/2018
Violation issued (HPD, closed)
C
01/02/2018
Violation issued (HPD, closed)
C
12/10/2017
Violation issued (HPD, closed)
C
12/10/2017
Violation issued (HPD, closed)
C
12/10/2017
Violation issued (HPD, closed)
A
12/10/2017
Violation issued (HPD, closed)
A
12/10/2017
Violation issued (HPD, closed)
A
12/10/2017
Violation issued (HPD, closed)
B
12/10/2017
Violation issued (HPD, closed)
B
12/10/2017
Violation issued (HPD, closed)
A
12/10/2017
Violation issued (HPD, closed)
A
12/10/2017
Violation issued (HPD, closed)
C
12/10/2017
Violation issued (HPD, closed)
C
11/09/2016
Violation issued (HPD, closed)
I
10/09/2015
Violation issued (HPD, closed)
I
01/25/1988
Violation issued (HPD, closed)
B
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSprinklersPermit IssuedPREMIER FLOW PLBG AND HTG07/10/2026
DOB NOWSprinklersPermit IssuedPREMIER FLOW PLBG AND HTG07/10/2026
DOB NOWGeneral ConstructionPermit IssuedCORE TECH LLC04/21/2026
1 project · most recent 07/07/2026
Sprinkler System
FiledStatusContractorScope
07/07/2026——Sprinkler System
1 project · most recent 07/07/2026
Gas Water/Sanitary
FiledStatusContractorScope
07/07/2026Permit IssuedPREMIER FLOW PLBG AND HTGGas, Water/Sanitary
▾Field Inspections (DOB CAP) — 3
DateTypeResultReport
07/24/2026Certified Gas-Gas-Piping-RoughingCertifiedView ↗
07/24/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/24/2026Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 2
DateRequirementInspectorRole
05/27/2026Sprinkler SystemsEDWIN DEGUZMANspecial
04/15/2026FinalMICHAEL COGENprogress
▾Documents — 12 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/17/2026B01387834-I1Request digital key ↗
08/17/2026B01387834-S1Request digital key ↗
▸Applications & Permits2
▸DOB NOWLPC Approval/Permit2
08/17/2026B01387834-S1Open ↗
08/13/2026B01387834-I1Open ↗
▸Seals & Professional Certifications4
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/17/2026B01387834-S1Open ↗
08/17/2026B01387834-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/23/2026B01387834-S1Open ↗
▸DOB NOWProgress Inspector Seal & Signature1
08/29/2026B01387834-I1Open ↗
▸Safety & Tenant Protection2
▸DOB NOWHPD-3: Single Room Occupancy Multiple Dwelling (SRO MD) Anti-Harassment Checklist2
08/17/2026B01387834-S1Open ↗
08/13/2026B01387834-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/17/2026B01387834-I1Open ↗
08/17/2026B01387834-S1Open ↗