← Back
Two family brick
520 81 STREET
BROOKLYN · BIN 3151765
💬 Discuss this project
1930Year Built
2Stories
B1Building Class
R4-1Zoning
2,240 sfGross Floor Area
2Units
Two family brick · 2,000 sf lot · 1.12 FAR built · Flood zone X
Locations of Work
ArchitectureElectricalPlumbing
Floor 24p · 2 filings · 20 docs
Floor 1
Cellar8p · 2 filings · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
10/12/2022$1.4M—— → —$625/sf building
09/02/2014$840K—Private party → Private party$375/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NIC 88 CORP403/10/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BASIC GROUPS803/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BARBA WILLIAMGeneral Contractor103/21/2026
CUBE BUILDERS GROUP NYGeneral Contractor107/08/2026
T T PLUMBINGGeneral Contractor103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NIC 88 CORP8371403/10/2023
Building Lifecycle
All (37)Filed (4)Permit Issued (1)Signed Off (2)Special Inspection (30)
04/17/2023
Signed off — Alteration
CAP & REMOVE 1 GAS METER #3, INSTALL NEW BOILER & H.W.H. IN THE EXISTING 3 STORY BUILDING. PLUMBING WORKS AS PER PLAN. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B08034289-I1
04/17/2023
Signed off — Alteration
PROPOSED INTERIOR RENOVATION OF CELLAR, 1ST AND 2ND FLOOR OF EXISTING 2 STORY BUILDING. INSTALL NEW PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. CONSTRUCTION AS PER PLAN. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B08037585-I1
03/13/2023
Special inspection requirement — Mechanical Systems
Eric Sun
03/13/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
Eric Sun
03/13/2023
Special inspection requirement — Energy Code Compliance Inspections
Eric Sun
03/13/2023
Special inspection requirement — Fire-Resistance Rated Construction
Eric Sun
03/13/2023
Special inspection requirement — Final
Eric Sun
03/13/2023
Special inspection requirement — Permanent certificate
Eric Sun
03/13/2023
Special inspection requirement — Maintenance information
Eric Sun
03/13/2023
Special inspection requirement — Fenestration areas
Eric Sun
03/13/2023
Special inspection requirement — HVAC-R and service water heating system controls
Eric Sun
03/13/2023
Special inspection requirement — Fenestration air leakage
Eric Sun
03/13/2023
Special inspection requirement — HVAC-R and service water heating equipment
Eric Sun
03/13/2023
Special inspection requirement — Lighting in dwelling units
Eric Sun
03/13/2023
Special inspection requirement — Air barrier - visual inspection
Eric Sun
03/13/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
Eric Sun
03/13/2023
Special inspection requirement — Metering
Eric Sun
03/13/2023
Special inspection requirement — Insulation placement and R values
Eric Sun
03/10/2023
Filed — Alteration
PROPOSED INTERIOR RENOVATION OF CELLAR, 1ST AND 2ND FLOOR OF EXISTING 2 STORY BUILDING. INSTALL NEW PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. CONSTRUCTION AS PER PLAN. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B08037585-P1
03/10/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
Eric Sun
03/10/2023
Special inspection requirement — Mechanical Systems
Eric Sun
03/10/2023
Special inspection requirement — Energy Code Compliance Inspections
Eric Sun
03/10/2023
Special inspection requirement — Final
Eric Sun
03/10/2023
Special inspection requirement — Fire-Resistance Rated Construction
Eric Sun
03/10/2023
Special inspection requirement — Permanent certificate
Eric Sun
03/10/2023
Special inspection requirement — Air barrier - visual inspection
Eric Sun
03/10/2023
Special inspection requirement — Fenestration air leakage
Eric Sun
03/10/2023
Special inspection requirement — Insulation placement and R values
Eric Sun
03/10/2023
Special inspection requirement — HVAC-R and service water heating system controls
Eric Sun
03/10/2023
Special inspection requirement — Fenestration areas
Eric Sun
03/10/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
Eric Sun
03/10/2023
Special inspection requirement — Lighting in dwelling units
Eric Sun
03/10/2023
Special inspection requirement — Metering
Eric Sun
01/30/2023
Filed — Alteration
CAP & REMOVE 1 GAS METER #3, INSTALL NEW BOILER & H.W.H. IN THE EXISTING 3 STORY BUILDING. PLUMBING WORKS AS PER PLAN. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B08034289-P1
11/08/2022
Permit issued — Mechanical Systems
B08033819-I1-GC-CX
11/04/2022
Filed — Alteration
CAP & REMOVE 1 GAS METER #3, INSTALL NEW BOILER & H.W.H. IN THE EXISTING 3 STORY BUILDING. PLUMBING WORKS AS PER PLAN. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B08034289-I1
11/03/2022
Filed — Alteration
PROPOSED INTERIOR RENOVATION OF CELLAR, 1ST AND 2ND FLOOR OF EXISTING 2 STORY BUILDING. INSTALL NEW PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. CONSTRUCTION AS PER PLAN. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B08037585-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offCUBE BUILDERS GROUP NY11/08/2022
BISOTISSUEDCELA CONSTRUCTION CORP08/22/2011
BISOTISSUEDCELA CONSTRUCTION CORP06/23/2011
BISOTISSUEDKORISTA DESIGNS INC06/17/2010
1 project · most recent 11/09/2022
General Wiring
FiledStatusContractorScope
11/09/2022CompleteKWONG MING ELECTRIC INCGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 34
DateRequirementInspectorRole
03/13/2023Mechanical SystemsEric Sunspecial
03/13/2023Fire-Resistant Penetrations and JointsEric Sunspecial
03/13/2023Energy Code Compliance InspectionsEric Sunprogress
03/13/2023Fire-Resistance Rated ConstructionEric Sunprogress
03/13/2023FinalEric Sunprogress
03/13/2023Permanent certificateEric Sunenergy_progress
03/13/2023Maintenance informationEric Sunenergy_progress
03/13/2023Fenestration areasEric Sunenergy_progress
03/13/2023HVAC-R and service water heating system controlsEric Sunenergy_progress
03/13/2023Fenestration air leakageEric Sunenergy_progress
03/13/2023HVAC-R and service water heating equipmentEric Sunenergy_progress
03/13/2023Lighting in dwelling unitsEric Sunenergy_progress
03/13/2023Air barrier - visual inspectionEric Sunenergy_progress
03/13/2023HVAC-R and service water piping design and insulationEric Sunenergy_progress
03/13/2023MeteringEric Sunenergy_progress
03/13/2023Insulation placement and R valuesEric Sunenergy_progress
03/10/2023Fire-Resistant Penetrations and JointsEric Sunspecial
03/10/2023Mechanical SystemsEric Sunspecial
03/10/2023Energy Code Compliance InspectionsEric Sunprogress
03/10/2023FinalEric Sunprogress
03/10/2023Fire-Resistance Rated ConstructionEric Sunprogress
03/10/2023Permanent certificateEric Sunenergy_progress
03/10/2023Air barrier - visual inspectionEric Sunenergy_progress
03/10/2023Fenestration air leakageEric Sunenergy_progress
03/10/2023Insulation placement and R valuesEric Sunenergy_progress
Latest 25 of 34.
▾Documents — 40 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/27/2026B08034289-P1Request digital key ↗
08/27/2026B08034289-I1Request digital key ↗
08/27/2026B08037585-P1Request digital key ↗
Showing 3 of 4 on file for this type
▸Applications & Permits4
▸BISWORK PERMIT APPLICATION3
08/24/2011320170364Open ↗
06/18/2010320170364Open ↗
06/18/2010320170364Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION1
06/02/2010320170364Open ↗
▸Seals & Professional Certifications21
▸DOB NOWProgress Inspector Seal & Signature9
09/01/2026B08034289-P1Open ↗
08/26/2026B08037585-I1Open ↗
08/26/2026B08037585-I1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/27/2026B08034289-P1Open ↗
08/27/2026B08034289-I1Open ↗
08/27/2026B08037585-I1Open ↗
Showing 3 of 4 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION3
01/04/2012320170364Open ↗
06/18/2010320170364Open ↗
06/02/2010320170364Open ↗
▸DOB NOWSpecial Inspector Seal & Signature3
09/01/2026B08034289-P1Open ↗
08/26/2026B08037585-I1Open ↗
08/24/2026B08037585-P1Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
06/02/2010320170364Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
06/02/2010320170364Open ↗
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/27/2026B08034289-I1Open ↗
08/27/2026B08034289-P1Open ↗
08/27/2026B08037585-P1Open ↗
Showing 3 of 4 on file for this type
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
06/02/2010320170364Open ↗
▸Approvals, Objections & Sign-offs3
▸BISADMINISTRATIVE OBJECTIONS1
06/02/2010320170364Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION1
06/25/2011320170364Open ↗
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
01/04/2012320170364Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
01/04/2012320170364Open ↗
06/02/2010320170364Open ↗
▸Filing & Intake Forms1
▸BISEFILING COVER SHEET1
06/02/2010320170364Open ↗