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Two family converted from one family
631 DECATUR STREET
BROOKLYN · BIN 3040355
💬 Discuss this project
1899Year Built
2Stories
B3Building Class
R6BZoning
2,310 sfGross Floor Area
2Units
1 Open Violation ▸FDNY Report ↗
Two family converted from one family · 1,833 sf lot · 1.26 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Roof2p · 2 filings · 14 docs
Floor 31p · 1 filing · 6 docs
Floor 24p · 3 filings · 20 docs
Floor 17p · 3 filings · 20 docs
Cellar1p · 1 filing · 6 docs
Basement2p · 2 filings · 14 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
04/11/2023$1.4M—— → —$584/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
MKO ARCHITECTURE406/16/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
SOL BUILDING CONSULTING SERVICES403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
TMF CONSTRUCTION LLCGeneral Contractor207/08/2026
CM PLUMBING INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
LINEA LLP3155211/22/2024
Building Lifecycle
All (30)Filed (4)Permit Issued (3)Signed Off (3)Violation (1)Inspection (2)Objection (4)Special Inspection (13)
07/31/2025
Signed off — Alteration
New fixtures at new and existing locations. No change in use, egress, or occupancy.
B01058306-I1
06/16/2025
Filed — Alteration
New fixtures at new and existing locations. No change in use, egress, or occupancy.
B01058306-P1
06/03/2025
Signed off — Alteration
Filed to construct new partitions with new fixtures at new and existing locations, and new finishes. No change in use, egress, or occupancy.
B01058301-I1
06/02/2025
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
05/29/2025
Signed off — Alteration
B01137437-I1
12/04/2024
Permit issued — Mechanical Systems
B01137437-I1-MS
11/22/2024
Filed — Alteration
B01137437-I1
11/15/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
11/05/2024
Special inspection requirement — Shutoff dampers
Mark Kolodziejczak
11/05/2024
Special inspection requirement — Final
Mark Kolodziejczak
11/05/2024
Special inspection requirement — Energy Code Compliance Inspections
Mark Kolodziejczak
11/05/2024
Special inspection requirement — HVAC-R and service water heating equipment
Mark Kolodziejczak
11/05/2024
Special inspection requirement — HVAC-R and service water heating system controls
Mark Kolodziejczak
11/05/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
Mark Kolodziejczak
11/05/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Lisa Vangelas
11/05/2024
Special inspection requirement — Mechanical Systems
Lisa Vangelas
10/15/2024
Permit issued — Plumbing
B01058306-I1-PL
09/09/2024
Permit issued — General Construction
B01058301-I1-GC
07/10/2024
Objection resolved — Addressed
07/02/2024
Objection resolved — Addressed
06/27/2024
Objection raised — Scope
06/27/2024
Objection raised — Cost
06/19/2024
Filed — Alteration
New fixtures at new and existing locations. No change in use, egress, or occupancy.
B01058306-I1
06/19/2024
Filed — Alteration
Filed to construct new partitions with new fixtures at new and existing locations, and new finishes. No change in use, egress, or occupancy.
B01058301-I1
06/18/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
Mark Kolodziejczak
05/29/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Lisa Vangelas
05/29/2024
Special inspection requirement — Final
Mark Kolodziejczak
05/29/2024
Special inspection requirement — Energy Code Compliance Inspections
Mark Kolodziejczak
05/29/2024
Special inspection requirement — Lighting in dwelling units
Mark Kolodziejczak
03/13/2012
Violation issued (HPD, open)
B
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offTMF CONSTRUCTION LLC12/04/2024
DOB NOWPlumbingSigned-offCM PLUMBING INC10/15/2024
DOB NOWGeneral ConstructionSigned-offTMF CONSTRUCTION LLC09/09/2024
Nothing on file for this building.
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
06/02/2025Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
11/15/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 13
DateRequirementInspectorRole
11/05/2024Shutoff dampersMark Kolodziejczakenergy_progress
11/05/2024FinalMark Kolodziejczakprogress
11/05/2024Energy Code Compliance InspectionsMark Kolodziejczakprogress
11/05/2024HVAC-R and service water heating equipmentMark Kolodziejczakenergy_progress
11/05/2024HVAC-R and service water heating system controlsMark Kolodziejczakenergy_progress
11/05/2024HVAC-R and service water piping design and insulationMark Kolodziejczakenergy_progress
11/05/2024Fire-Resistant Penetrations and JointsLisa Vangelasspecial
11/05/2024Mechanical SystemsLisa Vangelasspecial
06/18/2024HVAC-R and service water piping design and insulationMark Kolodziejczakenergy_progress
05/29/2024Fire-Resistant Penetrations and JointsLisa Vangelasspecial
05/29/2024FinalMark Kolodziejczakprogress
05/29/2024Energy Code Compliance InspectionsMark Kolodziejczakprogress
05/29/2024Lighting in dwelling unitsMark Kolodziejczakenergy_progress
▾Documents — 20 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/24/2026B01058306-I1Request digital key ↗
08/24/2026B01058306-P1Request digital key ↗
08/24/2026B01058301-I1Request digital key ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications12
▸DOB NOWProgress Inspector Seal & Signature6
09/01/2026B01058301-I1Open ↗
09/01/2026B01058301-I1Open ↗
09/01/2026B01058301-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/24/2026B01058306-I1Open ↗
08/24/2026B01058301-I1Open ↗
08/23/2026B01137437-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
09/01/2026B01058301-I1Open ↗
08/31/2026B01137437-I1Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/24/2026B01058306-I1Open ↗
08/24/2026B01058301-I1Open ↗
08/23/2026B01137437-I1Open ↗
Showing 3 of 4 on file for this type