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Three families
426 MAC DONOUGH STREET
BROOKLYN · BIN 3047151
💬 Discuss this project
1901Year Built
2Stories
C0Building Class
R6BZoning
2,832 sfGross Floor Area
3Units
Three families · 2,000 sf lot · 1.42 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbing
Permit Issued — active, not yet Signed-off
Floor 2Under Construction4p · 1 filing · 13 docs
Floor 1Under Construction4p · 1 filing · 13 docs
CellarUnder Construction4p · 1 filing · 13 docs
Sub-BasementUnder Construction4p · 1 filing · 13 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MNB DEVELOPERS504/09/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CQ&J CORPORATION202/22/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
WM ARCH403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
PROTON CCM LLCGeneral Contractor104/09/2026
TRI CITY MECHANICAL GROUP CORPPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SIMON7555102/22/2026
Building Lifecycle
All (10)Filed (2)Permit Issued (2)Inspection (1)Special Inspection (5)
08/21/2026
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
02/24/2026
Permit issued — Plumbing
B01352468-S1-PL
02/24/2026
Permit issued — General Construction
B01352468-I1-GC
02/22/2026
Filed — Alteration
EXISTING TWO-FAMILY HOUSE WITH PLUMBING WORK AT CELLAR, BASEMENT,1ST AND 2ND FLOOR.JOB FILED TO RELATED TO ALT 2 APPLICATION #B01352468-I1.NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01352468-I1
02/22/2026
Filed — Alteration
EXISTING TWO-FAMILY HOUSE WITH PLUMBING WORK AT CELLAR, BASEMENT,1ST AND 2ND FLOOR.JOB FILED TO RELATED TO ALT 2 APPLICATION #B01352468-I1.NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY.
B01352468-S1
02/09/2026
Special inspection requirement — Energy Code Compliance Inspections
CALVIN TRAN
02/09/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
CALVIN TRAN
02/09/2026
Special inspection requirement — Maintenance information
CALVIN TRAN
02/09/2026
Special inspection requirement — HVAC-R and service water heating equipment
CALVIN TRAN
02/09/2026
Special inspection requirement — HVAC-R and service water heating system controls
CALVIN TRAN
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedFLAVIO MECHANICAL CORP02/24/2026
DOB NOWGeneral ConstructionPermit IssuedPROTON CCM LLC02/24/2026
1 project · most recent 02/22/2026
Gas Water/Sanitary
FiledStatusContractorScope
02/22/2026Permit IssuedTRI CITY MECHANICAL GROUPGas, Water/Sanitary
1 project · most recent 05/29/2026
General Wiring
FiledStatusContractorScope
05/29/2026Permit IssuedJOSEPH WEINSTEIN ELECTRICGeneral Wiring
▾Field Inspections (DOB CAP) — 1
DateTypeResultReport
08/21/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 5
DateRequirementInspectorRole
02/09/2026Energy Code Compliance InspectionsCALVIN TRANprogress
02/09/2026HVAC-R and service water piping design and insulationCALVIN TRANenergy_progress
02/09/2026Maintenance informationCALVIN TRANenergy_progress
02/09/2026HVAC-R and service water heating equipmentCALVIN TRANenergy_progress
02/09/2026HVAC-R and service water heating system controlsCALVIN TRANenergy_progress
▾Documents — 13 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/18/2026B01352468-I1Request digital key ↗
08/18/2026B01352468-S1Request digital key ↗
▸Applications & Permits2
▸DOB NOWLPC Approval/Permit2
08/13/2026B01352468-S1Open ↗
08/13/2026B01352468-I1Open ↗
▸Seals & Professional Certifications7
▸DOB NOWProgress Inspector Seal & Signature5
09/02/2026B01352468-S1Open ↗
09/02/2026B01352468-S1Open ↗
09/02/2026B01352468-S1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/18/2026B01352468-I1Open ↗
08/18/2026B01352468-S1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/18/2026B01352468-S1Open ↗
08/18/2026B01352468-I1Open ↗