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Miscellaneous two family
524 9 STREET
BROOKLYN · BIN 3026058
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1894Year Built
2Stories
B9Building Class
R6BZoning
1,926 sfGross Floor Area
2Units
0 Open ViolationsFDNY Report ↗
Miscellaneous two family · 804 sf lot · 2.4 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbing
Bulkhead2p · 1 filing · 20 docs
Floor 11p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/29/2022$2.3M—Private party → Private party$1,176/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
BOSCHEN DESIGN ARCHITECTURE211/19/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BOSCHEN DESIGN, ARCHITECTURE203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
GMN CONSTRUCTION & CONTRAGeneral Contractor104/09/2026
A. M. PLUMBING COMPANYPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
BOSCHEN DESIGN, ARCHITECT2477211/19/2024
CHEN ENGINEERING SERVICES1826111/19/2024
Building Lifecycle
All (13)Filed (2)Permit Issued (2)Signed Off (2)Violation (3)Inspection (4)
06/02/2026
Signed off — Alteration
Modification to exist. plumbing system per plans filed herewith. No gas work, no change in use, occupancy, egress or floor area.
B01069450-S2
06/02/2026
Signed off — Alteration
Modification to exist. plumbing system per plans filed herewith. No gas work, no change in use, occupancy, egress or floor area.
B01069450-I1
07/01/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
06/24/2025
Permit issued — Plumbing
B01069450-S2-PL
05/21/2025
Permit issued — General Construction
B01069450-I1-GC-CX
12/10/2024
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
11/19/2024
Filed — Alteration
Modification to exist. plumbing system per plans filed herewith. No gas work, no change in use, occupancy, egress or floor area.
B01069450-S2
11/19/2024
Filed — Alteration
Modification to exist. plumbing system per plans filed herewith. No gas work, no change in use, occupancy, egress or floor area.
B01069450-I1
11/15/2024
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
02/21/2024
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
03/07/2006
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/06/1991
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/06/1991
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offA. M. PLUMBING COMPANY06/24/2025
DOB NOWGeneral ConstructionSigned-offGMN CONSTRUCTION & CONTRA05/21/2025
1 project · most recent 07/14/2025
FiledStatusContractorScope
07/14/2025CompleteADAM ELECL CONTRNG LLC—
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
07/01/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
12/10/2024Fail-Final PL - Up to 3 Requested FloorsFailView ↗
11/15/2024Pass-Final PL - Up to 3 Requested FloorsPassView ↗
02/21/2024Certified Gas-Gas-Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 17
DateRequirementInspectorRole
11/22/2024HVAC-R and service water piping design and insulationRichard Boschenenergy_progress
11/15/2024Fire-Resistant Penetrations and JointsRichard Boschenspecial
10/30/2024Structural Steel - WeldingHENLIA CHENspecial
10/15/2024Insulation placement and R valuesRichard Boschenenergy_progress
10/10/2024Structural Steel - DetailsHENLIA CHENspecial
10/10/2024Subgrade InspectionsRichard Boschenspecial
10/10/2024Subsurface Investigations (Borings/Test Pits)Richard Boschenspecial
06/20/2024FinalRichard Boschenprogress
06/20/2024Energy Code Compliance InspectionsRichard Boschenprogress
06/20/2024Fire-Resistance Rated ConstructionRichard Boschenprogress
06/20/2024Fenestration air leakageRichard Boschenenergy_progress
06/20/2024Air barrier - visual inspectionRichard Boschenenergy_progress
06/20/2024Fenestration and door U-factor and product ratingsRichard Boschenenergy_progress
06/20/2024Interior lighting powerRichard Boschenenergy_progress
06/20/2024Structural Stability – Alterations of existing buildingsHENLIA CHENspecial
06/20/2024Concrete - Cast-In-PlaceRichard Boschenspecial
06/20/2024Fire-Resistant Penetrations and JointsRichard Boschenspecial
▾Documents — 27 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/23/2026B01069450-S2Request digital key ↗
08/23/2026B01069450-I1Request digital key ↗
▸Applications & Permits2
▸DOB NOWLPC Approval/Permit2
08/13/2026B01069450-S2Open ↗
08/13/2026B01069450-I1Open ↗
▸Seals & Professional Certifications19
▸DOB NOWProgress Inspector Seal & Signature9
08/24/2026B01069450-S2Open ↗
08/22/2026B01069450-I1Open ↗
08/22/2026B01069450-I1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature8
08/24/2026B01069450-S2Open ↗
08/22/2026B01069450-I1Open ↗
08/22/2026B01069450-I1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/23/2026B01069450-I1Open ↗
08/23/2026B01069450-S2Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/23/2026B01069450-S2Open ↗
08/23/2026B01069450-I1Open ↗
▸Inspections & Test Reports2
▸DOB NOWSOIL REPORT1
08/13/2026B01069450-I1Open ↗
▸DOB NOWTR4 Test Report and Plot Diagram1
08/13/2026B01069450-I1Open ↗