← Back
Two stories - detached, small or mid-size
2147 81 STREET
BROOKLYN · BIN 3345169
💬 Discuss this project
1920Year Built
2.5Stories
A1Building Class
R5Zoning
2,564 sfGross Floor Area
1Units
0 Open ViolationsFDNY Report ↗
Two stories - detached, small or mid-size · 6,000 sf lot · 0.43 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingCivil
Floor 237p · 1 filing · 20 docs
Floor 135p · 1 filing · 20 docs
Cellar39p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
08/01/2014$1.4M—Private party → Private party$566/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
UPC ENGINEERING DPC911/20/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
UPC ENGINEERING DPC903/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
CUBE BUILDERS GROUP NYGeneral Contractor307/08/2026
DHC CONTRACTING INCGeneral Contractor303/21/2026
PIPESTYLISTS, INCPlumbing207/08/2026
ROY CHENElectrical203/21/2026
DYKER SOLUTIONS INCGeneral Contractor203/21/2026
W 8 ELECTRIC CORP 004824General Contractor203/22/2026
CHARK YUNGElectrical103/21/2026
PRUDIGM ENGINEERING LLCUElectrical103/21/2026
CITY SIGNS INCElectrical103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
JIAN ENGINEERING PLLC7397611/20/2023
NIC 88 CORP8371110/25/2021
Building Lifecycle
All (89)Filed (9)Permit Issued (6)Signed Off (3)Violation (5)Inspection (8)Objection (28)Special Inspection (30)
12/19/2023
Signed off — Alteration CO
Mechanical work filed in conjunction with Alt-CO #B00511600.
B00511600-I1
12/13/2023
Special inspection requirement — Concrete - Cast-In-Place
JIAN DENG
12/13/2023
Special inspection requirement — Air barrier - visual inspection
JIAN DENG
12/13/2023
Special inspection requirement — Interior lighting power
JIAN DENG
12/13/2023
Special inspection requirement — Structural Steel - Details
JIAN DENG
12/13/2023
Special inspection requirement — Masonry
JIAN DENG
12/13/2023
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
JIAN DENG
12/13/2023
Special inspection requirement — Final
JIAN DENG
12/13/2023
Special inspection requirement — Insulation placement and R values
JIAN DENG
12/13/2023
Special inspection requirement — Fenestration areas
JIAN DENG
12/13/2023
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
JIAN DENG
12/13/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
JIAN DENG
12/13/2023
Special inspection requirement — Structural Cold-Formed Steel
JIAN DENG
12/13/2023
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
Daniel Boss
12/13/2023
Special inspection requirement — Fenestration air leakage
JIAN DENG
12/13/2023
Special inspection requirement — Footing and Foundation
JIAN DENG
12/13/2023
Special inspection requirement — Energy Code Compliance Inspections
JIAN DENG
12/13/2023
Special inspection requirement — Protection of exposed foundation insulation
JIAN DENG
12/13/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
JIAN DENG
12/13/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
JIAN DENG
11/20/2023
Filed — Alteration CO
Mechanical work filed in conjunction with Alt-CO #B00511600.
B00511600-P7
11/06/2023
Signed off — Alteration CO
Mechanical work filed in conjunction with Alt-CO #B00511600.
B00511600-S2
11/02/2023
Signed off — Alteration CO
Mechanical work filed in conjunction with Alt-CO #B00511600.
B00511600-S1
11/01/2023
Permit issued — Mechanical Systems
B00511600-S2-MS
10/16/2023
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
09/27/2023
Inspection — Fail-Final CND-Occupancy Inspection
Fail
View inspection ↗
09/06/2023
Filed — Alteration CO
Mechanical work filed in conjunction with Alt-CO #B00511600.
B00511600-P6
09/06/2023
Special inspection requirement — Fenestration air leakage
JIAN DENG
09/06/2023
Special inspection requirement — Fenestration areas
JIAN DENG
09/06/2023
Special inspection requirement — Masonry
JIAN DENG
09/06/2023
Special inspection requirement — Protection of exposed foundation insulation
JIAN DENG
09/06/2023
Special inspection requirement — Energy Code Compliance Inspections
JIAN DENG
09/06/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
JIAN DENG
09/06/2023
Special inspection requirement — Concrete - Cast-In-Place
JIAN DENG
09/06/2023
Special inspection requirement — Final
JIAN DENG
09/06/2023
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
Daniel Boss
09/06/2023
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
JIAN DENG
09/06/2023
Special inspection requirement — Structural Steel - Details
JIAN DENG
08/31/2023
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
08/18/2023
Filed — Alteration CO
Mechanical work filed in conjunction with Alt-CO #B00511600.
B00511600-P4
07/11/2023
Objection resolved — Addressed
07/07/2023
Objection resolved — Addressed
07/06/2023
Objection raised — Scope
07/06/2023
Objection raised — Other
06/29/2023
Filed — Alteration CO
Mechanical work filed in conjunction with Alt-CO #B00511600.
B00511600-P2
06/29/2023
Filed — Alteration CO
Mechanical work filed in conjunction with Alt-CO #B00511600.
B00511600-P3
06/29/2023
Objection raised — Scope
06/29/2023
Objection resolved — Addressed
05/25/2023
Permit issued — Plumbing
B00511600-S1-PL
05/25/2023
Permit issued — General Construction
B00511600-I1-GC-CX
05/24/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/24/2023
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/09/2023
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
02/09/2023
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
02/09/2023
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
02/09/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
02/09/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
12/19/2022
Permit issued — Earth Work
B00511600-I1-GC-CX
05/17/2022
Permit issued — General Construction
B00511600-I1-GC-CX
05/06/2022
Permit issued — Plumbing
B00511600-S1-PL
Latest 60 of 89 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offCUBE BUILDERS GROUP NY11/01/2023
DOB NOWPlumbingSigned-offT & T PLUMBING INC05/25/2023
DOB NOWGeneral ConstructionPermit IssuedDYKER SOLUTIONS05/25/2023
DOB NOWEarth WorkPermit IssuedALEXANDER CHAN12/19/2022
DOB NOWGeneral ConstructionPermit IssuedCUBE BUILDERS GROUP NY05/17/2022
DOB NOWPlumbingSigned-offT & T PLUMBING INC05/06/2022
1 project · most recent 11/20/2023
Air Conditioning Systems Heating Systems
FiledStatusContractorScopeMake / Model / Capacity
11/20/2023Signed-offCUBE BUILDERS GROUP NYAir Conditioning Systems, Heating Systems
Cooling
Mitsubishi Electric SEZ-KD09NA4 9,000 BTU · Ahu ×5
MXZ-5C42NA4 42,000 BTU · Condensing Unit ×2
SEZ-KD12NA4 12,000 BTU · Ahu ×2
MSZ-GL09NA 9,000 BTU · Ahu ×1
MSZ-GL12NA 12,000 BTU · Ahu ×1
MXZ-2C20NA4 20,000 BTU · Condensing Unit ×1
SEZ-KD15NA4 15,000 BTU · Ahu ×1
Heating
Weil-Mclain CGa-4 85,000 BTU · Boiler ×1
CGa-5 113,000 BTU · Boiler ×1
1 project · most recent 11/20/2023
Gas Storm Water/Sanitary
FiledStatusContractorScope
11/20/2023Signed-offPIPESTYLISTS, INCGas, Storm, Water/Sanitary
1 project · most recent 05/23/2022
General Wiring
FiledStatusContractorScope
05/23/2022CompleteW 8 ELECTRIC CORPGeneral Wiring
1 project · most recent 11/20/2023
Steel
FiledStatusContractorScope
11/20/2023Signed-offCUBE BUILDERS GROUP NYSteel
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
10/16/2023Pass-Final CND-Occupancy InspectionPassView ↗
09/27/2023Fail-Final CND-Occupancy InspectionFailView ↗
08/31/2023Pass-Final CND-Occupancy InspectionPassView ↗
02/09/2023Certified Gas-Gas-Piping-RoughingCertifiedView ↗
02/09/2023Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
02/09/2023Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
02/09/2023Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
02/09/2023Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 71
DateRequirementInspectorRole
12/13/2023Fenestration air leakageJIAN DENGenergy_progress
12/13/2023Fenestration areasJIAN DENGenergy_progress
12/13/2023Air barrier - visual inspectionJIAN DENGenergy_progress
12/13/2023Interior lighting powerJIAN DENGenergy_progress
12/13/2023Subsurface Investigations (Borings/Test Pits)Daniel Bossspecial
12/13/2023MasonryJIAN DENGspecial
12/13/2023Structural Cold-Formed SteelJIAN DENGspecial
12/13/2023Fire-Resistant Penetrations and JointsJIAN DENGspecial
12/13/2023Concrete - Cast-In-PlaceJIAN DENGspecial
12/13/2023Structural Steel - DetailsJIAN DENGspecial
12/13/2023Excavations - Sheeting, Shoring, and BracingJIAN DENGspecial
12/13/2023Exterior Insulation and Finish Systems (EIFS)JIAN DENGspecial
12/13/2023Structural Stability – Alterations of existing buildingsJIAN DENGspecial
12/13/2023Footing and FoundationJIAN DENGprogress
12/13/2023Energy Code Compliance InspectionsJIAN DENGprogress
12/13/2023FinalJIAN DENGprogress
12/13/2023Protection of exposed foundation insulationJIAN DENGenergy_progress
12/13/2023Fenestration and door U-factor and product ratingsJIAN DENGenergy_progress
12/13/2023Insulation placement and R valuesJIAN DENGenergy_progress
09/06/2023Insulation placement and R valuesJIAN DENGenergy_progress
09/06/2023Footing and FoundationJIAN DENGprogress
09/06/2023Concrete - Cast-In-PlaceJIAN DENGspecial
09/06/2023Excavations - Sheeting, Shoring, and BracingJIAN DENGspecial
09/06/2023Exterior Insulation and Finish Systems (EIFS)JIAN DENGspecial
09/06/2023Fire-Resistant Penetrations and JointsJIAN DENGspecial
Latest 25 of 71.
▾Documents — 137 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/27/2026B00511600-S1Request digital key ↗
08/27/2026B00511600-S2Request digital key ↗
08/27/2026B00511600-P1Request digital key ↗
Showing 3 of 9 on file for this type
▸Zoning, Tax Lot & Property Records20
▸DOB NOWRestrictive Declaration/Easement 19
08/13/2026B00511600-P7Open ↗
08/13/2026B00511600-P2Open ↗
08/13/2026B00511600-S2Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWZD1: DOB Zoning Diagram5
08/13/2026B00511600-P2Open ↗
08/13/2026B00511600-P6Open ↗
08/13/2026B00511600-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWZoning Exhibit form (1-5)5
08/13/2026B00511600-P7Open ↗
08/13/2026B00511600-P6Open ↗
08/13/2026B00511600-P2Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B00511600-I1Open ↗
▸Seals & Professional Certifications73
▸DOB NOWSpecial Inspector Seal & Signature32
09/02/2026B00511600-S2Open ↗
09/01/2026B00511600-P6Open ↗
09/01/2026B00511600-P6Open ↗
Showing 3 of 32 on file for this type
▸DOB NOWProgress Inspector Seal & Signature32
09/02/2026B00511600-S2Open ↗
09/02/2026B00511600-S2Open ↗
09/01/2026B00511600-P6Open ↗
Showing 3 of 32 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/27/2026B00511600-P7Open ↗
08/27/2026B00511600-I1Open ↗
08/27/2026B00511600-S1Open ↗
Showing 3 of 9 on file for this type
▸Trade Schedules & Equipment5
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)5
08/13/2026B00511600-P7Open ↗
08/13/2026B00511600-I1Open ↗
08/13/2026B00511600-P2Open ↗
Showing 3 of 5 on file for this type
▸Safety & Tenant Protection5
▸DOB NOWStreet Tree Checklist5
08/27/2026B00511600-P1Open ↗
08/27/2026B00511600-P6Open ↗
08/27/2026B00511600-P7Open ↗
Showing 3 of 5 on file for this type
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis.2
08/13/2026B00511600-S2Open ↗
08/13/2026B00511600-I1Open ↗
▸Inspections & Test Reports7
▸DOB NOWSOIL REPORT5
08/13/2026B00511600-P7Open ↗
08/13/2026B00511600-P2Open ↗
08/13/2026B00511600-P6Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWTR4 Test Report and Plot Diagram1
08/13/2026B00511600-I1Open ↗
▸DOB NOWTR4 Plot Diagram1
08/13/2026B00511600-I1Open ↗
▸Other Documents16
▸DOB NOWPlot Diagram5
08/13/2026B00511600-P7Open ↗
08/13/2026B00511600-P6Open ↗
08/13/2026B00511600-P2Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone5
08/13/2026B00511600-P1Open ↗
08/13/2026B00511600-P7Open ↗
08/13/2026B00511600-P6Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSite Survey: Initial4
08/13/2026B00511600-P7Open ↗
08/13/2026B00511600-P6Open ↗
08/13/2026B00511600-P2Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWFinal Survey1
08/13/2026B00511600-I1Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026B00511600-I1Open ↗