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Walk-up cooperative
491 12 STREET
BROOKLYN · BIN 3026355
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1892Year Built
3Stories
C6Building Class
R6BZoning
4,332 sfGross Floor Area
4Units
Rent Stabilized3 Open Violations ▸
Walk-up cooperative · Owner of record: 491 12 ST HOUSING CORP · 2,625 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
491 12 ST HOUSING CORP103/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
BORO ARCHITECTS LLC105/01/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
VANGUARD RESIDENTIAL LLCGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
BORO ARCHITECTS LLC5981105/01/2026
Building Lifecycle
All (29)Filed (1)Permit Issued (1)Signed Off (1)Violation (20)Special Inspection (6)
06/18/2026
Signed off — Alteration
New minisplit HVAC units for Apartment 2B with condenser at the roof level.
B01363551-I1
06/10/2026
Permit issued — Mechanical Systems
B01363551-I1-MS
05/01/2026
Filed — Alteration
New minisplit HVAC units for Apartment 2B with condenser at the roof level.
B01363551-I1
05/01/2026
Violation issued (HPD, open)
A
02/24/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
DARRIN KRUMPUS
02/24/2026
Special inspection requirement — Mechanical Systems
DARRIN KRUMPUS
02/24/2026
Special inspection requirement — Final
DARRIN KRUMPUS
02/24/2026
Special inspection requirement — HVAC-R and service water heating equipment
DARRIN KRUMPUS
02/24/2026
Special inspection requirement — HVAC-R and service water heating system controls
DARRIN KRUMPUS
02/24/2026
Special inspection requirement — Maintenance information
DARRIN KRUMPUS
02/28/2025
Violation issued (HPD, closed)
A
02/28/2025
Violation issued (HPD, closed)
A
02/28/2025
Violation issued (HPD, closed)
C
02/28/2025
Violation issued (HPD, closed)
C
02/28/2025
Violation issued (HPD, closed)
A
02/28/2025
Violation issued (HPD, closed)
A
02/28/2025
Violation issued (HPD, closed)
A
02/28/2025
Violation issued (HPD, closed)
A
02/28/2025
Violation issued (HPD, closed)
C
04/03/2024
Violation issued (HPD, closed)
A
03/20/2023
Violation issued (HPD, closed)
A
02/18/2022
Violation issued (HPD, closed)
A
02/18/2022
Violation issued (HPD, closed)
I
04/05/2021
Violation issued (HPD, closed)
A
10/12/2018
Violation issued (HPD, closed)
I
11/15/2017
Violation issued (HPD, closed)
I
10/06/2015
Violation issued (HPD, closed)
I
03/11/2005
Violation issued (HPD, open)
A
02/26/2005
Violation issued (HPD, open)
B
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offVANGUARD RESIDENTIAL LLC06/10/2026
1 job · most recent 04/22/2026
General Wiring
FiledStatusContractorScope
04/22/2026CompleteAEX ELECTRIC LLCGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 6
DateRequirementInspectorRole
02/24/2026Fire-Resistant Penetrations and JointsDARRIN KRUMPUSspecial
02/24/2026Mechanical SystemsDARRIN KRUMPUSspecial
02/24/2026FinalDARRIN KRUMPUSprogress
02/24/2026HVAC-R and service water heating equipmentDARRIN KRUMPUSenergy_progress
02/24/2026HVAC-R and service water heating system controlsDARRIN KRUMPUSenergy_progress
02/24/2026Maintenance informationDARRIN KRUMPUSenergy_progress
▾Documents — 8 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/17/2026B01363551-I1Request digital key ↗
▸Applications & Permits1
▸DOB NOWLPC Approval/Permit1
08/17/2026B01363551-I1Open ↗
▸Seals & Professional Certifications5
▸DOB NOWProgress Inspector Seal & Signature2
08/28/2026B01363551-I1Open ↗
08/28/2026B01363551-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/28/2026B01363551-I1Open ↗
08/28/2026B01363551-I1Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/17/2026B01363551-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/17/2026B01363551-I1Open ↗