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Two family frame
2123 71 STREET
BROOKLYN · BIN 3157522
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1930Year Built
2Stories
B2Building Class
R5Zoning
2,480 sfGross Floor Area
2Units
FDNY Report ↗
Two family frame · 2,500 sf lot · 0.99 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbing
Permit Issued — active, not yet Signed-off
Floor 2Under Construction9p · 1 filing · 20 docs
Floor 1Under Construction7p · 1 filing · 20 docs
CellarUnder Construction14p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/15/2025$1.7M—Private party → Private party$669/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
AARON MCDONALD ARCHITECT401/12/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BUILDWISE CONSTRUCTION GRGeneral Contractor104/08/2026
W.R. PLBG AND HTG CORPPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
AARON MCDONALD ARCHITECT5118401/12/2026
Building Lifecycle
All (30)Filed (4)Permit Issued (2)Special Inspection (24)
01/14/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Aaron McDonald
01/14/2026
Special inspection requirement — Energy Code Compliance Inspections
Aaron McDonald
01/14/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Aaron McDonald
01/14/2026
Special inspection requirement — HVAC-R and service water heating equipment
Aaron McDonald
01/14/2026
Special inspection requirement — HVAC-R and service water heating system controls
Aaron McDonald
01/12/2026
Filed — Alteration
INTERIOR RENOVATION EXISTING 2 STORY BUILDING. WORK IN CELLAR, 1ST AND 2ND FLOOR. DEMOLITION WORK AND CONSTRUCTION WORK AS PER PLAN. INSTALL HVAC, PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01296674-P5
01/12/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Aaron McDonald
01/12/2026
Special inspection requirement — Energy Code Compliance Inspections
Aaron McDonald
01/12/2026
Special inspection requirement — HVAC-R and service water heating system controls
Aaron McDonald
01/12/2026
Special inspection requirement — HVAC-R and service water heating equipment
Aaron McDonald
01/12/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Aaron McDonald
10/24/2025
Filed — Alteration
INTERIOR RENOVATION EXISTING 2 STORY BUILDING. WORK IN CELLAR, 1ST AND 2ND FLOOR. DEMOLITION WORK AND CONSTRUCTION WORK AS PER PLAN. INSTALL HVAC, PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01296674-P1
10/23/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
Aaron McDonald
10/23/2025
Special inspection requirement — Maintenance information
Aaron McDonald
10/23/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Aaron McDonald
10/23/2025
Special inspection requirement — Interior lighting power
Aaron McDonald
10/23/2025
Special inspection requirement — HVAC-R and service water heating equipment
Aaron McDonald
10/23/2025
Special inspection requirement — Mechanical Systems
Aaron McDonald
10/23/2025
Special inspection requirement — Energy Code Compliance Inspections
Aaron McDonald
10/23/2025
Special inspection requirement — Final
Aaron McDonald
10/23/2025
Special inspection requirement — Fire-Resistance Rated Construction
Aaron McDonald
10/23/2025
Special inspection requirement — HVAC-R and service water heating system controls
Aaron McDonald
10/23/2025
Special inspection requirement — Insulation placement and R values
Aaron McDonald
10/23/2025
Special inspection requirement — Fenestration air leakage
Aaron McDonald
10/23/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Aaron McDonald
10/23/2025
Special inspection requirement — Fenestration areas
Aaron McDonald
10/15/2025
Permit issued — Plumbing
B01296674-S1-PL
10/10/2025
Permit issued — Mechanical Systems
B01296674-I1-GC-CX
10/08/2025
Filed — Alteration
INTERIOR RENOVATION EXISTING 2 STORY BUILDING. WORK IN CELLAR, 1ST AND 2ND FLOOR. DEMOLITION WORK AND CONSTRUCTION WORK AS PER PLAN. INSTALL HVAC, PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01296674-S1
10/07/2025
Filed — Alteration
INTERIOR RENOVATION EXISTING 2 STORY BUILDING. WORK IN CELLAR, 1ST AND 2ND FLOOR. DEMOLITION WORK AND CONSTRUCTION WORK AS PER PLAN. INSTALL HVAC, PARTITION, FLOORING, CEILING AND PAINTING THROUGHOUT. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01296674-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedW.R. PLBG AND HTG CORP10/15/2025
DOB NOWMechanical SystemsPermit IssuedBUILDWISE CONSTRUCTION GR10/10/2025
1 project · most recent 01/12/2026
Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
01/12/2026Permit IssuedBUILDWISE CONSTRUCTION GRAir Conditioning Systems
Cooling
Mitsubishi Electric ×20
1 project · most recent 01/12/2026
Gas Water/Sanitary
FiledStatusContractorScope
01/12/2026Permit IssuedW.R. PLBG AND HTG CORPGas, Water/Sanitary
1 project · most recent 08/09/2026
General Wiring
FiledStatusContractorScope
08/09/2026CompleteCL ELECTRICAL CORPGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 24
DateRequirementInspectorRole
01/14/2026Fire-Resistant Penetrations and JointsAaron McDonaldspecial
01/14/2026Energy Code Compliance InspectionsAaron McDonaldprogress
01/14/2026HVAC-R and service water piping design and insulationAaron McDonaldenergy_progress
01/14/2026HVAC-R and service water heating equipmentAaron McDonaldenergy_progress
01/14/2026HVAC-R and service water heating system controlsAaron McDonaldenergy_progress
01/12/2026Fire-Resistant Penetrations and JointsAaron McDonaldspecial
01/12/2026Energy Code Compliance InspectionsAaron McDonaldprogress
01/12/2026HVAC-R and service water heating system controlsAaron McDonaldenergy_progress
01/12/2026HVAC-R and service water heating equipmentAaron McDonaldenergy_progress
01/12/2026HVAC-R and service water piping design and insulationAaron McDonaldenergy_progress
10/23/2025Fenestration and door U-factor and product ratingsAaron McDonaldenergy_progress
10/23/2025Maintenance informationAaron McDonaldenergy_progress
10/23/2025Fire-Resistant Penetrations and JointsAaron McDonaldspecial
10/23/2025Interior lighting powerAaron McDonaldenergy_progress
10/23/2025HVAC-R and service water heating equipmentAaron McDonaldenergy_progress
10/23/2025Mechanical SystemsAaron McDonaldspecial
10/23/2025Energy Code Compliance InspectionsAaron McDonaldprogress
10/23/2025FinalAaron McDonaldprogress
10/23/2025Fire-Resistance Rated ConstructionAaron McDonaldprogress
10/23/2025HVAC-R and service water heating system controlsAaron McDonaldenergy_progress
10/23/2025Insulation placement and R valuesAaron McDonaldenergy_progress
10/23/2025Fenestration air leakageAaron McDonaldenergy_progress
10/23/2025HVAC-R and service water piping design and insulationAaron McDonaldenergy_progress
10/23/2025Fenestration areasAaron McDonaldenergy_progress
▾Documents — 31 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/20/2026B01296674-I1Request digital key ↗
08/20/2026B01296674-S1Request digital key ↗
08/20/2026B01296674-P1Request digital key ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications21
▸DOB NOWProgress Inspector Seal & Signature10
09/02/2026B01296674-P4Open ↗
09/02/2026B01296674-P4Open ↗
09/01/2026B01296674-S1Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
09/02/2026B01296674-P4Open ↗
09/02/2026B01296674-P4Open ↗
09/01/2026B01296674-S1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/20/2026B01296674-I1Open ↗
08/20/2026B01296674-S1Open ↗
08/20/2026B01296674-P1Open ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/20/2026B01296674-I1Open ↗
08/20/2026B01296674-S1Open ↗
08/20/2026B01296674-P1Open ↗
Showing 3 of 5 on file for this type