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Two family converted from one family
310 MADISON STREET
BROOKLYN · BIN 3051658
💬 Discuss this project
1920Year Built
3Stories
B3Building Class
R6BZoning
2,800 sfGross Floor Area
2Units
0 Open ViolationsFDNY Report ↗
Two family converted from one family · 1,667 sf lot · 1.68 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Roof18p · 1 filing · 20 docs
Floor 233p · 2 filings · 20 docs
Floor 134p · 2 filings · 20 docs
Sub-Basement31p · 2 filings · 20 docs
1 job · most recent 02/21/2023
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
02/21/2023Permit IssuedWAXTEL LLCHeating and Air Conditioning Systems, Ventilation Systems
Heat / Cool
Fujitsu AOU24RLXFZH 25,000 BTU · Heat Pump Outdoor ×15
Ventilation
Nutone AEN110 50 CFM · Exhaust Fan ×12
QTXEN150 100 CFM · Exhaust Fan ×8
Fantech DB4XLT 195 CFM · Exhaust Fan ×5
Kaze SEP150 100 CFM · Exhaust Fan ×5
1 job · most recent 10/30/2025
Gas Water/Sanitary
FiledStatusContractorScope
10/30/2025Permit IssuedJL PLUMBING, LLCGas, Water/Sanitary
1 job · most recent 07/20/2023
General Wiring
FiledStatusContractorScope
07/20/2023Permit IssuedTRINCITY ELECTRIC, INCGeneral Wiring
1 job · most recent 02/21/2023
Steel
FiledStatusContractorScope
02/21/2023Permit IssuedWAXTEL LLCSteel
Building Lifecycle
All (82)Filed (10)Permit Issued (9)Violation (1)Inspection (4)Objection (28)Special Inspection (30)
11/21/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
MICHAEL LI
11/21/2025
Special inspection requirement — Energy Code Compliance Inspections
MICHAEL LI
11/13/2025
Objection resolved — Addressed
11/13/2025
Objection resolved — Addressed
11/12/2025
Objection raised — Scope
11/12/2025
Objection raised — Scope
10/30/2025
Filed — Alteration
PROPOSED HORIZONTAL ENLARGEMENT AND INTERIOR RENOVATION @ BASEMENT; PROPOSED INTERIOR RENOVATION @ 1ST FLOOR. WORK INCLUDES INSTALLATION OF NEW AND REPLACEMENT OR RELOCATION OF EXISTING FIXTURES, FINISHES, CASEWORK, PARTITIONS, EXTERIOR DOORS AND WINDOWS.
B00727363-P5
08/13/2025
Objection resolved — Addressed
08/11/2025
Objection raised — Scope
07/30/2025
Filed — Alteration
PROPOSED HORIZONTAL ENLARGEMENT AND INTERIOR RENOVATION @ BASEMENT; PROPOSED INTERIOR RENOVATION @ 1ST FLOOR. WORK INCLUDES INSTALLATION OF NEW AND REPLACEMENT OR RELOCATION OF EXISTING FIXTURES, FINISHES, CASEWORK, PARTITIONS, EXTERIOR DOORS AND WINDOWS.
B00727363-P3
07/30/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
MICHAEL LI
07/30/2025
Special inspection requirement — Energy Code Compliance Inspections
MICHAEL LI
05/14/2025
Permit issued — Mechanical Systems
B00725739-I1-GC-CX
12/16/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
12/16/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
07/26/2024
Permit issued — General Construction
B00725739-I1-GC-CX
05/15/2024
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
05/15/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
05/01/2024
Objection resolved — Addressed
05/01/2024
Objection resolved — Addressed
04/29/2024
Objection raised — Other
04/29/2024
Objection raised — Structural
04/26/2024
Filed — Alteration
PROPOSED HORIZONTAL ENLARGEMENT AND INTERIOR RENOVATION @ BASEMENT; PROPOSED INTERIOR RENOVATION @ 1ST FLOOR. WORK INCLUDES INSTALLATION OF NEW AND REPLACEMENT OR RELOCATION OF EXISTING FIXTURES, FINISHES, CASEWORK, PARTITIONS, EXTERIOR DOORS AND WINDOWS.
B00727363-P2
02/22/2024
Permit issued — Mechanical Systems
B00725739-I1-GC-CX
01/08/2024
Permit issued — Plumbing
B00727363-I1-PL
12/04/2023
Permit issued — Foundation
B00725739-I1-GC-CX
06/28/2023
Permit issued — General Construction
B00725739-I1-GC-CX
06/22/2023
Permit issued — Mechanical Systems
B00725739-I1-GC-CX
02/21/2023
Filed — Alteration
PROPOSED HORIZONTAL ENLARGEMENT AND INTERIOR RENOVATION @ BASEMENT; PROPOSED INTERIOR RENOVATION @ 1ST FLOOR. WORK INCLUDES INSTALLATION OF NEW AND REPLACEMENT OR RELOCATION OF EXISTING FIXTURES, FINISHES, CASEWORK, PARTITIONS, EXTERIOR DOORS AND WINDOWS.
B00725739-P5
02/21/2023
Special inspection requirement — Masonry
MICHAEL LI
02/21/2023
Special inspection requirement — Structural Steel - Details
MICHAEL LI
02/21/2023
Special inspection requirement — Mechanical Systems
MICHAEL LI
02/21/2023
Special inspection requirement — Subsurface Conditions – Fill Placement & In-Place Density
MICHAEL LI
02/21/2023
Special inspection requirement — Fenestration air leakage
MICHAEL LI
02/21/2023
Special inspection requirement — Structural Cold-Formed Steel
MICHAEL LI
02/21/2023
Special inspection requirement — Concrete - Cast-In-Place
MICHAEL LI
02/21/2023
Special inspection requirement — Footing and Foundation
MICHAEL LI
02/21/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
MICHAEL LI
02/21/2023
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
MICHAEL LI
02/21/2023
Special inspection requirement — Air barrier - visual inspection
MICHAEL LI
02/21/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
MICHAEL LI
02/21/2023
Special inspection requirement — Fenestration areas
MICHAEL LI
02/21/2023
Special inspection requirement — Lighting in dwelling units
MICHAEL LI
02/21/2023
Special inspection requirement — Final
MICHAEL LI
02/21/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
MICHAEL LI
02/21/2023
Special inspection requirement — Insulation placement and R values
MICHAEL LI
02/21/2023
Special inspection requirement — Subgrade Inspections
MICHAEL LI
02/21/2023
Special inspection requirement — Exterior lighting power
MICHAEL LI
02/09/2023
Special inspection requirement — Structural Cold-Formed Steel
MICHAEL LI
02/09/2023
Special inspection requirement — Mechanical Systems
MICHAEL LI
02/09/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
MICHAEL LI
02/09/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
MICHAEL LI
02/09/2023
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
MICHAEL LI
02/09/2023
Special inspection requirement — Masonry
MICHAEL LI
02/09/2023
Special inspection requirement — Structural Steel - Details
MICHAEL LI
11/03/2022
Filed — Alteration
PROPOSED HORIZONTAL ENLARGEMENT AND INTERIOR RENOVATION @ BASEMENT; PROPOSED INTERIOR RENOVATION @ 1ST FLOOR. WORK INCLUDES INSTALLATION OF NEW AND REPLACEMENT OR RELOCATION OF EXISTING FIXTURES, FINISHES, CASEWORK, PARTITIONS, EXTERIOR DOORS AND WINDOWS.
B00725739-P3
11/03/2022
Permit issued — Plumbing
B00727363-I1-PL
10/20/2022
Filed — Alteration
PROPOSED HORIZONTAL ENLARGEMENT AND INTERIOR RENOVATION @ BASEMENT; PROPOSED INTERIOR RENOVATION @ 1ST FLOOR. WORK INCLUDES INSTALLATION OF NEW AND REPLACEMENT OR RELOCATION OF EXISTING FIXTURES, FINISHES, CASEWORK, PARTITIONS, EXTERIOR DOORS AND WINDOWS.
B00727363-P1
10/19/2022
Filed — Alteration
PROPOSED HORIZONTAL ENLARGEMENT AND INTERIOR RENOVATION @ BASEMENT; PROPOSED INTERIOR RENOVATION @ 1ST FLOOR. WORK INCLUDES INSTALLATION OF NEW AND REPLACEMENT OR RELOCATION OF EXISTING FIXTURES, FINISHES, CASEWORK, PARTITIONS, EXTERIOR DOORS AND WINDOWS.
B00725739-P2
09/30/2022
Violation issued (ECB, closed)
Construction
Latest 60 of 82 events.
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CHARLES DIEHL ARCHITECT LLC1010/30/2025
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
CASTILLO RENOVATIONS LLCGeneral Contractor1203/21/2026
WAXTEL LLCGeneral Contractor303/21/2026
CJ HEATING & MECHANICAL CPlumbing307/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
RLC HVAC CONTROLS LLC5082910/30/2025
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedWAXTEL LLC05/14/2025
DOB NOWGeneral ConstructionPermit IssuedCASTILLO RENOVATIONS07/26/2024
DOB NOWMechanical SystemsPermit IssuedCASTILLO RENOVATIONS02/22/2024
DOB NOWPlumbingPermit IssuedCJ HEATING & MECHANICAL C01/08/2024
DOB NOWFoundationPermit IssuedCASTILLO RENOVATIONS12/04/2023
DOB NOWGeneral ConstructionPermit IssuedCASTILLO RENOVATIONS06/28/2023
DOB NOWMechanical SystemsPermit IssuedCASTILLO RENOVATIONS06/22/2023
DOB NOWPlumbingPermit IssuedCJ HEATING & MECHANICAL C11/03/2022
DOB NOWGeneral ConstructionPermit IssuedCASTILLO RENOVATIONS09/16/2022
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
12/16/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
12/16/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
05/15/2024Certified Gas-Gas-Piping-RoughingCertifiedView ↗
05/15/2024Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 99
DateRequirementInspectorRole
11/21/2025Fire-Resistant Penetrations and JointsMICHAEL LIspecial
11/21/2025Energy Code Compliance InspectionsMICHAEL LIprogress
07/30/2025Energy Code Compliance InspectionsMICHAEL LIprogress
07/30/2025Fire-Resistant Penetrations and JointsMICHAEL LIspecial
02/21/2023Fenestration areasMICHAEL LIenergy_progress
02/21/2023Subsurface Conditions – Fill Placement & In-Place DensityMICHAEL LIspecial
02/21/2023Fire-Resistant Penetrations and JointsMICHAEL LIspecial
02/21/2023Structural Cold-Formed SteelMICHAEL LIspecial
02/21/2023Subgrade InspectionsMICHAEL LIspecial
02/21/2023Concrete - Cast-In-PlaceMICHAEL LIspecial
02/21/2023Mechanical SystemsMICHAEL LIspecial
02/21/2023Structural Steel - DetailsMICHAEL LIspecial
02/21/2023Exterior Insulation and Finish Systems (EIFS)MICHAEL LIspecial
02/21/2023Structural Stability – Alterations of existing buildingsMICHAEL LIspecial
02/21/2023MasonryMICHAEL LIspecial
02/21/2023Footing and FoundationMICHAEL LIprogress
02/21/2023FinalMICHAEL LIprogress
02/21/2023Insulation placement and R valuesMICHAEL LIenergy_progress
02/21/2023Air barrier - visual inspectionMICHAEL LIenergy_progress
02/21/2023Lighting in dwelling unitsMICHAEL LIenergy_progress
02/21/2023Fenestration and door U-factor and product ratingsMICHAEL LIenergy_progress
02/21/2023Exterior lighting powerMICHAEL LIenergy_progress
02/21/2023Fenestration air leakageMICHAEL LIenergy_progress
02/09/2023Exterior Insulation and Finish Systems (EIFS)MICHAEL LIspecial
02/09/2023Structural Steel - DetailsMICHAEL LIspecial
Latest 25 of 99.
▾Documents — 84 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch10
08/27/2026B00725739-P5Request digital key ↗
08/27/2026B00725739-P3Request digital key ↗
08/27/2026B00725739-P2Request digital key ↗
Showing 3 of 10 on file for this type
▸Zoning, Tax Lot & Property Records5
▸DOB NOWZD1: DOB Zoning Diagram5
08/13/2026B00725739-P3Open ↗
08/13/2026B00725739-P2Open ↗
08/13/2026B00725739-P1Open ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications48
▸DOB NOWSpecial Inspector Seal & Signature27
09/01/2026B00727363-I1Open ↗
09/01/2026B00725739-I1Open ↗
09/01/2026B00725739-I1Open ↗
Showing 3 of 27 on file for this type
▸DOB NOWProgress Inspector Seal & Signature11
09/01/2026B00727363-I1Open ↗
09/01/2026B00725739-I1Open ↗
09/01/2026B00725739-I1Open ↗
Showing 3 of 11 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature10
08/27/2026B00725739-P2Open ↗
08/27/2026B00725739-P5Open ↗
08/27/2026B00725739-P3Open ↗
Showing 3 of 10 on file for this type
▸Environmental & Asbestos10
▸DOB NOWDEP ACP-5: Asbestos Assessment Report10
08/27/2026B00725739-P1Open ↗
08/27/2026B00725739-P5Open ↗
08/27/2026B00725739-P3Open ↗
Showing 3 of 10 on file for this type
▸Energy Compliance1
▸DOB NOWPreliminary Commissioning Report Certification1
08/13/2026B00725739-I1Open ↗
▸Other Documents10
▸DOB NOWSite Survey: Initial5
08/13/2026B00725739-P1Open ↗
08/13/2026B00725739-P3Open ↗
08/13/2026B00725739-P2Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone5
08/13/2026B00725739-I1Open ↗
08/13/2026B00725739-P5Open ↗
08/13/2026B00725739-P1Open ↗
Showing 3 of 5 on file for this type