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Two family converted from one family
485 CLASSON AVENUE
BROOKLYN · BIN 3057051
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1899Year Built
3Stories
B3Building Class
R6BZoning
3,648 sfGross Floor Area
2Units
12 Open Violations ▸FDNY Report ↗
Two family converted from one family · 1,809 sf lot · 2.02 FAR built · Flood zone X
Locations of Work
Architecture
Basement2p · 1 filing · 9 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SQUARE ARCH, LLC102/17/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
KAMTECH RESTORATION CORP203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
KAMTECH RESTORATION CORPGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802102/17/2025
Building Lifecycle
All (20)Filed (1)Permit Issued (1)Signed Off (1)Violation (12)Special Inspection (5)
05/27/2025
Signed off — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01182388-I1
02/27/2025
Permit issued — Solar
B01182388-I1-SL
02/17/2025
Filed — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01182388-I1
02/17/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kaijin Liang
02/17/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
Kaijin Liang
02/17/2025
Special inspection requirement — Energy Code Compliance Inspections
Kaijin Liang
02/17/2025
Special inspection requirement — Final
Kaijin Liang
02/17/2025
Special inspection requirement — Air barrier - visual inspection
Kaijin Liang
01/24/2006
Violation issued (HPD, open)
B
01/24/2006
Violation issued (HPD, open)
B
01/24/2006
Violation issued (HPD, open)
B
01/24/2006
Violation issued (HPD, open)
B
01/24/2006
Violation issued (HPD, open)
B
01/24/2006
Violation issued (HPD, open)
A
01/24/2006
Violation issued (HPD, open)
A
01/24/2006
Violation issued (HPD, open)
B
01/24/2006
Violation issued (HPD, open)
B
01/24/2006
Violation issued (HPD, open)
B
02/02/2004
Violation issued (HPD, open)
B
02/02/2004
Violation issued (HPD, open)
B
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offKAMTECH RESTORATION CORP02/27/2025
1 job · most recent 02/13/2025
FiledStatusContractorScope
02/13/2025CompleteBERGER QUALITY ELEC'L CON—
▾Special Inspection Requirements (DOB NOW) — 5
DateRequirementInspectorRole
02/17/2025Fire-Resistant Penetrations and JointsKaijin Liangspecial
02/17/2025Structural Stability – Alterations of existing buildingsKaijin Liangspecial
02/17/2025Energy Code Compliance InspectionsKaijin Liangprogress
02/17/2025FinalKaijin Liangprogress
02/17/2025Air barrier - visual inspectionKaijin Liangenergy_progress
▾Documents — 9 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/22/2026B01182388-I1Request digital key ↗
▸Seals & Professional Certifications6
▸DOB NOWProgress Inspector Seal & Signature3
08/26/2026B01182388-I1Open ↗
08/26/2026B01182388-I1Open ↗
08/26/2026B01182388-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/26/2026B01182388-I1Open ↗
08/26/2026B01182388-I1Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/13/2026B01182388-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B01182388-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01182388-I1Open ↗