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One family attached or semi-detached
1658 71 STREET
BROOKLYN · BIN 3157801
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1910Year Built
2Stories
A5Building Class
R5Zoning
1,020 sfGross Floor Area
1Units
One family attached or semi-detached · 1,750 sf lot · 0.58 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbing
Permit Issued — active, not yet Signed-off
Floor 2Under Construction5p · 1 filing · 12 docs
Floor 1Under Construction5p · 1 filing · 12 docs
CellarUnder Construction5p · 1 filing · 12 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
10/20/2023$900K—— → —$882/sf building
12/22/2021$775K—Private party → Private party$760/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CHUN FENG, ARCHITECT204/23/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
MERCURY BUILDING ASSOGeneral Contractor107/08/2026
AMERICAN STANDARD P&H CORORP.Plumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802204/23/2026
Building Lifecycle
All (11)Filed (2)Permit Issued (2)Inspection (1)Special Inspection (6)
08/18/2026
Inspection — Fail-Final PL - Up to 3 Requested Floors
Fail
View inspection ↗
04/27/2026
Permit issued — General Construction
B01390632-I1-GC
04/24/2026
Permit issued — Plumbing
B01390632-S1-PL
04/23/2026
Filed — Alteration
B01390632-I1
04/23/2026
Filed — Alteration
B01390632-S1
04/21/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Chun Feng
04/21/2026
Special inspection requirement — Final
Chun Feng
04/21/2026
Special inspection requirement — Energy Code Compliance Inspections
Chun Feng
04/21/2026
Special inspection requirement — Fire-Resistance Rated Construction
Chun Feng
04/21/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Chun Feng
04/21/2026
Special inspection requirement — Energy Code Compliance Inspections
Chun Feng
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedMERCURY BUILDING ASSO INC04/27/2026
DOB NOWPlumbingPermit IssuedAMERICAN STANDARD P&H CORORP.04/24/2026
Nothing on file for this building.
▾Field Inspections (DOB CAP) — 1
DateTypeResultReport
08/18/2026Fail-Final PL - Up to 3 Requested FloorsFailView ↗
▾Special Inspection Requirements (DOB NOW) — 6
DateRequirementInspectorRole
04/21/2026Fire-Resistant Penetrations and JointsChun Fengspecial
04/21/2026FinalChun Fengprogress
04/21/2026Energy Code Compliance InspectionsChun Fengprogress
04/21/2026Fire-Resistance Rated ConstructionChun Fengprogress
04/21/2026Fire-Resistant Penetrations and JointsChun Fengspecial
04/21/2026Energy Code Compliance InspectionsChun Fengprogress
▾Documents — 12 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/17/2026B01390632-S1Request digital key ↗
08/17/2026B01390632-I1Request digital key ↗
▸Seals & Professional Certifications8
▸DOB NOWProgress Inspector Seal & Signature4
09/01/2026B01390632-I1Open ↗
09/01/2026B01390632-I1Open ↗
09/01/2026B01390632-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/17/2026B01390632-I1Open ↗
08/17/2026B01390632-S1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
09/01/2026B01390632-I1Open ↗
08/24/2026B01390632-S1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/17/2026B01390632-I1Open ↗
08/17/2026B01390632-S1Open ↗