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Two family brick
834 56 STREET
BROOKLYN · BIN 3139857
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1925Year Built
2Stories
B1Building Class
R6Zoning
2,160 sfGross Floor Area
2Units
Two family brick · 2,258 sf lot · 0.96 FAR built · Flood zone X
Locations of Work
Architecture
Cellar2p · 1 filing · 11 docs
1 job · most recent 01/20/2026
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
01/20/2026Signed-offMERCURY BUILDING ASSO INCHeating and Air Conditioning Systems
Heat / Cool
Gree MUL24HP230V1R32AO 24,000 BTU · Condensing Unit ×6
MUL18HP230V1R32AO 18,000 BTU · Condensing Unit ×2
1 job · most recent 01/20/2026
Gas Water/Sanitary
FiledStatusContractorScope
01/20/2026Signed-offAMERICAN STANDARD P&H CORGas, Water/Sanitary
1 job · most recent 02/12/2026
General Wiring
FiledStatusContractorScope
02/12/2026CompleteERIC & NG ELEC'L, INC.General Wiring
1 job · most recent 01/20/2026
Fence
FiledStatusContractorScope
01/20/2026Signed-offMERCURY BUILDING ASSO INCFence
Building Lifecycle
All (32)Filed (5)Permit Issued (6)Signed Off (1)Inspection (2)Special Inspection (18)
09/02/2026
Special inspection requirement — HVAC-R and service water heating equipment
Chun Feng
09/02/2026
Special inspection requirement — Fenestration air leakage
Chun Feng
09/02/2026
Special inspection requirement — HVAC-R and service water heating system controls
Chun Feng
09/02/2026
Special inspection requirement — Fenestration areas
Chun Feng
09/02/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Chun Feng
09/02/2026
Special inspection requirement — Air barrier - visual inspection
Chun Feng
09/02/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
09/02/2026
Special inspection requirement — Mechanical Systems
NARESH MAHANGU
09/02/2026
Special inspection requirement — Fire-Resistance Rated Construction
Chun Feng
09/02/2026
Special inspection requirement — Energy Code Compliance Inspections
Chun Feng
09/02/2026
Special inspection requirement — Final
Chun Feng
09/02/2026
Special inspection requirement — Interior lighting power
Chun Feng
09/02/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
Chun Feng
08/28/2026
Signed off — Alteration
FILE PLUMBING WORK WITH INSTALLATION OF NEW PLUMBING FIXTURES AND GAS APPLIANCES AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B01341729-S1
04/21/2026
Permit issued — Mechanical Systems
B01341729-I1-GC
04/17/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
04/17/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
04/15/2026
Permit issued — Structural
B01353562-I1-GC-CX
04/14/2026
Permit issued — Construction Fence
B01353562-S1-FN
02/20/2026
Special inspection requirement — Concrete - Cast-In-Place
NARESH MAHANGU
02/20/2026
Special inspection requirement — Masonry
NARESH MAHANGU
02/20/2026
Special inspection requirement — Final
Lester Katz
02/11/2026
Filed — Alteration
B01353562-S1
02/11/2026
Filed — Alteration
B01353562-P1
02/02/2026
Filed — Alteration
B01353562-I1
01/26/2026
Permit issued — Plumbing
B01341729-S1-PL
01/26/2026
Permit issued — General Construction
B01341729-I1-MS
01/23/2026
Permit issued — Mechanical Systems
B01341729-I1-GC
01/20/2026
Filed — Alteration
FILE PLUMBING WORK WITH INSTALLATION OF NEW PLUMBING FIXTURES AND GAS APPLIANCES AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B01341729-S1
01/20/2026
Filed — Alteration
FILE PLUMBING WORK WITH INSTALLATION OF NEW PLUMBING FIXTURES AND GAS APPLIANCES AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B01341729-I1
01/20/2026
Special inspection requirement — Energy Code Compliance Inspections
Chun Feng
01/20/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Chun Feng
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/16/2025$2.0M—Private party → Private party$921/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NY BUILDING ASSOCIATES INC302/11/2026
CHUN FENG, ARCHITECT201/20/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
HIGH QUALITY 3381003/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
HIGH QUALITY CONSTRUCTIONGeneral Contractor304/09/2026
MERCURY BUILDING ASSOGeneral Contractor307/08/2026
AMERICAN STANDARD P&H CORORP.Plumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244302/11/2026
SQ. ARCH, LLC4802101/20/2026
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offMERCURY BUILDING ASSO INC04/21/2026
DOB NOWStructuralSigned-offMERCURY BUILDING ASSO INC04/15/2026
DOB NOWConstruction FenceSigned-offMERCURY BUILDING ASSO INC04/14/2026
DOB NOWPlumbingSigned-offAMERICAN STANDARD P&H CORORP.01/26/2026
DOB NOWGeneral ConstructionSigned-offHIGH QUALITY CONSTRUCTION01/26/2026
DOB NOWMechanical SystemsSigned-offHIGH QUALITY CONSTRUCTION01/23/2026
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
04/17/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
04/17/2026Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 18
DateRequirementInspectorRole
09/02/2026HVAC-R and service water heating equipmentChun Fengenergy_progress
09/02/2026Fenestration air leakageChun Fengenergy_progress
09/02/2026HVAC-R and service water heating system controlsChun Fengenergy_progress
09/02/2026Fenestration areasChun Fengenergy_progress
09/02/2026HVAC-R and service water piping design and insulationChun Fengenergy_progress
09/02/2026Air barrier - visual inspectionChun Fengenergy_progress
09/02/2026Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
09/02/2026Mechanical SystemsNARESH MAHANGUspecial
09/02/2026Fire-Resistance Rated ConstructionChun Fengprogress
09/02/2026Energy Code Compliance InspectionsChun Fengprogress
09/02/2026FinalChun Fengprogress
09/02/2026Interior lighting powerChun Fengenergy_progress
09/02/2026Fenestration and door U-factor and product ratingsChun Fengenergy_progress
02/20/2026Concrete - Cast-In-PlaceNARESH MAHANGUspecial
02/20/2026MasonryNARESH MAHANGUspecial
02/20/2026FinalLester Katzprogress
01/20/2026Energy Code Compliance InspectionsChun Fengprogress
01/20/2026Fire-Resistant Penetrations and JointsChun Fengspecial
▾Documents — 19 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/18/2026B01353562-S1Request digital key ↗
08/18/2026B01353562-P1Request digital key ↗
08/18/2026B01353562-I1Request digital key ↗
▸Zoning, Tax Lot & Property Records2
▸DOB NOWRestrictive Declaration/Easement 12
08/13/2026B01341729-I1Open ↗
08/13/2026B01341729-S1Open ↗
▸Seals & Professional Certifications12
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/18/2026B01353562-I1Open ↗
08/13/2026B01341729-S1Open ↗
08/13/2026B01341729-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWProgress Inspector Seal & Signature4
09/23/2026B01341729-I1Open ↗
09/23/2026B01341729-I1Open ↗
08/28/2026B01353562-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature3
09/23/2026B01341729-I1Open ↗
08/28/2026B01353562-I1Open ↗
08/25/2026B01341729-S1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/13/2026B01341729-S1Open ↗
08/13/2026B01341729-I1Open ↗