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Two family converted from one family
720A QUINCY STREET
BROOKLYN · BIN 3044513
💬 Discuss this project
1899Year Built
3Stories
B3Building Class
R6BZoning
3,200 sfGross Floor Area
2Units
FDNY Report ↗
Two family converted from one family · 2,000 sf lot · 1.6 FAR built · Flood zone X
Locations of Work
ArchitectureElectricalMechanicalPlumbingLandscape
Permit Issued — active, not yet Signed-off
Floor 3Under Construction10p · 2 filings · 20 docs
Floor 2Under Construction4p · 1 filing · 16 docs
Floor 1Under Construction8p · 2 filings · 20 docs
CellarUnder Construction9p · 2 filings · 20 docs
Sub-BasementUnder Construction4p · 1 filing · 16 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MNB DEVELOPERS409/13/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/17/2025$1.4M—Private party → BH 720 QUINCY LLC$453/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
PETER CHO ARCHITECTS, PLLC606/16/2026
AARON MCDONALD ARCHITECT210/25/2025
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
PROTON CCM LLCGeneral Contractor206/27/2026
JOSEPH ALOIAElectrical103/21/2026
WALSH LAWRENCEElectrical103/21/2026
BUILDWISE CONSTRUCTION GRGeneral Contractor104/08/2026
TRI CITY MECHANICAL GROUP CORPPlumbing107/08/2026
W.R. PLBG AND HTG CORPPlumbing106/27/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244106/16/2026
D&E BUILD EVERGREEN I9342206/08/2026
AARON MCDONALD ARCHITECT5118210/25/2025
Building Lifecycle
All (16)Filed (8)Permit Issued (5)Signed Off (3)
07/20/2026
Signed off — Alteration
EXISTING 2 FAMILY BUILDING WITH INTERIOR RENOVATION WITH PARTITIONWORK AT THE CELLAR, BASEMENT,1ST, 2ND, 3RD FLOOR AND OPEN SPACE INTHE REAR UNDER THIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01374138-I1
07/15/2026
Signed off — Alteration
EXISTING 2 FAMILY BUILDING WITH INTERIOR RENOVATION WITH PARTITIONWORK AT THE CELLAR, BASEMENT,1ST, 2ND, 3RD FLOOR AND OPEN SPACE INTHE REAR UNDER THIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01374138-S1
07/10/2026
Signed off — Alteration
EXISTING 2 FAMILY BUILDING WITH INTERIOR RENOVATION WITH PARTITIONWORK AT THE CELLAR, BASEMENT,1ST, 2ND, 3RD FLOOR AND OPEN SPACE INTHE REAR UNDER THIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01374138-S2
06/24/2026
Permit issued — Mechanical Systems
B01374138-S2-MS
06/16/2026
Filed — Alteration
EXISTING 2 FAMILY BUILDING WITH INTERIOR RENOVATION WITH PARTITIONWORK AT THE CELLAR, BASEMENT,1ST, 2ND, 3RD FLOOR AND OPEN SPACE INTHE REAR UNDER THIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01374138-S2
06/09/2026
Filed — Alteration
EXISTING 2 FAMILY BUILDING WITH INTERIOR RENOVATION WITH PARTITIONWORK AT THE CELLAR, BASEMENT,1ST, 2ND, 3RD FLOOR AND OPEN SPACE INTHE REAR UNDER THIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01374138-P3
06/08/2026
Filed — Alteration
EXISTING 2 FAMILY BUILDING WITH INTERIOR RENOVATION WITH PARTITIONWORK AT THE CELLAR, BASEMENT,1ST, 2ND, 3RD FLOOR AND OPEN SPACE INTHE REAR UNDER THIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01374138-P2
05/18/2026
Filed — Alteration
EXISTING 2 FAMILY BUILDING WITH INTERIOR RENOVATION WITH PARTITIONWORK AT THE CELLAR, BASEMENT,1ST, 2ND, 3RD FLOOR AND OPEN SPACE INTHE REAR UNDER THIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01374138-P1
03/26/2026
Permit issued — General Construction
B01374138-I1-GC
03/26/2026
Permit issued — Plumbing
B01374138-S1-PL
03/20/2026
Filed — Alteration
EXISTING 2 FAMILY BUILDING WITH INTERIOR RENOVATION WITH PARTITIONWORK AT THE CELLAR, BASEMENT,1ST, 2ND, 3RD FLOOR AND OPEN SPACE INTHE REAR UNDER THIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01374138-I1
03/20/2026
Filed — Alteration
EXISTING 2 FAMILY BUILDING WITH INTERIOR RENOVATION WITH PARTITIONWORK AT THE CELLAR, BASEMENT,1ST, 2ND, 3RD FLOOR AND OPEN SPACE INTHE REAR UNDER THIS APPLICATION. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THISAPPLICATION.
B01374138-S1
10/27/2025
Permit issued — Plumbing
B01296161-S1-PL
10/25/2025
Filed — Alteration
INSTALL NEW ELE. H.W.H., BATHROOM AND KITCHEN FIXTURES IN THE EXISTING 2 STORY BUILDING. PLUMBING WORKS AS PER PLAN. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01296161-S1
10/08/2025
Permit issued — Mechanical Systems
B01296161-I1-GC-CX
10/03/2025
Filed — Alteration
INSTALL NEW ELE. H.W.H., BATHROOM AND KITCHEN FIXTURES IN THE EXISTING 2 STORY BUILDING. PLUMBING WORKS AS PER PLAN. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
B01296161-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offPROTON CCM LLC06/24/2026
DOB NOWGeneral ConstructionSigned-offPROTON CCM LLC03/26/2026
DOB NOWPlumbingSigned-offFLAVIO MECHANICAL CORP03/26/2026
DOB NOWPlumbingPermit IssuedW.R. PLBG AND HTG CORP10/27/2025
DOB NOWMechanical SystemsPermit IssuedBUILDWISE CONSTRUCTION GR10/08/2025
BISOTISSUEDQUICK START CONSTRUCTIO*07/11/2011
1 project · most recent 10/25/2025
Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
10/25/2025Permit IssuedBUILDWISE CONSTRUCTION GRAir Conditioning Systems
Cooling
Daikin 3MXS24RMVJUA 24,000 BTU · Condensing Unit ×4
2 projects · most recent 06/16/2026
Gas Water/Sanitary
FiledStatusContractorScope
06/16/2026Signed-offTRI CITY MECHANICAL GROUPGas, Water/Sanitary
10/25/2025Permit IssuedW.R. PLBG AND HTG CORPGas, Water/Sanitary
3 projects · most recent 08/04/2026
General Wiring
FiledStatusContractorScope
08/04/2026CompleteJOSEPH WEINSTEIN ELECTRICGeneral Wiring
08/04/2026CompleteJOSEPH WEINSTEIN ELECTRICGeneral Wiring
11/05/2025CompleteJOSEPH WEINSTEIN ELECTRICGeneral Wiring
▾Field Inspections (DOB CAP) — 1
DateTypeResultReport
03/31/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 45
DateRequirementInspectorRole
06/16/2026Energy Code Compliance InspectionsNARESH MAHANGUprogress
06/16/2026Maintenance informationNARESH MAHANGUenergy_progress
06/16/2026HVAC-R and service water heating equipmentNARESH MAHANGUenergy_progress
06/16/2026HVAC-R and service water piping design and insulationNARESH MAHANGUenergy_progress
06/16/2026HVAC-R and service water heating system controlsNARESH MAHANGUenergy_progress
06/12/2026Energy Code Compliance InspectionsPETER CHOprogress
06/12/2026HVAC-R and service water heating system controlsPETER CHOenergy_progress
06/12/2026Maintenance informationPETER CHOenergy_progress
06/12/2026HVAC-R and service water piping design and insulationPETER CHOenergy_progress
06/12/2026HVAC-R and service water heating equipmentPETER CHOenergy_progress
06/09/2026HVAC-R and service water heating equipmentPETER CHOenergy_progress
06/09/2026HVAC-R and service water piping design and insulationPETER CHOenergy_progress
06/09/2026HVAC-R and service water heating system controlsPETER CHOenergy_progress
06/09/2026Maintenance informationPETER CHOenergy_progress
06/09/2026Energy Code Compliance InspectionsPETER CHOprogress
06/05/2026Fenestration areasPETER CHOenergy_progress
06/05/2026Fire-Resistant Penetrations and JointsDanny Chenspecial
06/05/2026Energy Code Compliance InspectionsPETER CHOprogress
06/05/2026Fire-Resistance Rated ConstructionPETER CHOprogress
06/05/2026Air barrier - visual inspectionPETER CHOenergy_progress
06/05/2026Insulation placement and R valuesPETER CHOenergy_progress
06/05/2026Fenestration air leakagePETER CHOenergy_progress
06/05/2026Interior lighting powerPETER CHOenergy_progress
06/05/2026MeteringPETER CHOenergy_progress
06/05/2026Maintenance informationPETER CHOenergy_progress
Latest 25 of 45.
▾Documents — 62 on file (BIS + DOB NOW)
▸Plans & Drawings8
▸DOB NOWPlans/Sketch8
08/20/2026B01296161-S1Request digital key ↗
08/20/2026B01296161-I1Request digital key ↗
08/16/2026B01374138-S1Request digital key ↗
Showing 3 of 8 on file for this type
▸Applications & Permits3
▸BISPLAN / WORK APPROVAL APPLICATION2
07/12/2011320327892Open ↗
04/21/2011320286178Open ↗
▸BISWORK PERMIT APPLICATION1
07/12/2011320327892Open ↗
▸Seals & Professional Certifications32
▸DOB NOWProgress Inspector Seal & Signature14
09/23/2026B01296161-I1Open ↗
09/23/2026B01296161-I1Open ↗
08/29/2026B01374138-P3Open ↗
Showing 3 of 14 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/20/2026B01296161-S1Open ↗
08/16/2026B01374138-P3Open ↗
08/16/2026B01374138-P2Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
09/23/2026B01296161-I1Open ↗
09/23/2026B01296161-I1Open ↗
08/28/2026B01296161-P1Open ↗
Showing 3 of 5 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION2
07/12/2011320327892Open ↗
04/21/2011320286178Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
07/12/2011320327892Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
07/12/2011320327892Open ↗
▸Environmental & Asbestos12
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
08/20/2026B01296161-S1Open ↗
08/16/2026B01374138-P3Open ↗
08/16/2026B01374138-P2Open ↗
Showing 3 of 9 on file for this type
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'3
07/12/2011320327892Open ↗
04/21/2011320286178Open ↗
04/21/2011320286178Open ↗
▸Energy Compliance1
▸BISTECHNICAL REPORT: ENERGY1
07/12/2011320327892Open ↗
▸Approvals, Objections & Sign-offs2
▸BISADMINISTRATIVE OBJECTIONS2
07/12/2011320327892Open ↗
04/21/2011320286178Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
07/12/2011320327892Open ↗
04/21/2011320286178Open ↗
▸Filing & Intake Forms2
▸BISEFILING COVER SHEET2
07/12/2011320327892Open ↗
04/21/2011320286178Open ↗