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Two family converted from one family
24 LEFFERTS PLACE
BROOKLYN · BIN 3057801
💬 Discuss this project
1899Year Built
3Stories
B3Building Class
R6BZoning
3,520 sfGross Floor Area
2Units
Rent Stabilized177 Open Violations ▸FDNY Report ↗
Two family converted from one family · Owner of record: THE ENID GRAHAM TRUST · 1,800 sf lot · 1.96 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralPlumbing
Floor 23p · 1 filing · 10 docs
Floor 1
Cellar1p · 1 filing · 10 docs
Basement1p · 1 filing · 10 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SION CONSULTING ENGINEERING PC207/10/2026
Building Lifecycle
All (124)Filed (2)Violation (60)Objection (32)Special Inspection (30)
08/25/2026
Objection resolved — Addressed
08/25/2026
Objection resolved — Resolved
08/25/2026
Objection resolved — Addressed
08/24/2026
Objection raised — Other
08/24/2026
Objection resolved — Resolved
08/24/2026
Objection raised — Fire_Protection
08/24/2026
Objection raised — Zoning
08/24/2026
Objection resolved — Addressed
08/24/2026
Objection raised — Structural
08/24/2026
Objection resolved — Addressed
08/24/2026
Objection raised — Zoning
08/24/2026
Objection raised — Structural
08/24/2026
Objection raised — Zoning
08/24/2026
Objection resolved — Resolved
08/05/2026
Special inspection requirement — Duct leakage testing, insulation and design
08/03/2026
Objection resolved — Resolved
08/03/2026
Objection resolved — Addressed
08/03/2026
Objection resolved — Resolved
07/31/2026
Objection raised — Other
07/31/2026
Objection raised — Admin
07/31/2026
Objection raised — Admin
07/30/2026
Objection resolved — Addressed
07/30/2026
Objection resolved — Addressed
07/30/2026
Objection resolved — Addressed
07/30/2026
Special inspection requirement — Fenestration areas
07/30/2026
Special inspection requirement — Insulation placement and R values
07/30/2026
Special inspection requirement — Air barrier - visual inspection
07/29/2026
Objection resolved — Resolved
07/29/2026
Objection resolved — Addressed
07/29/2026
Objection resolved — Resolved
07/27/2026
Objection raised — Other
07/27/2026
Objection raised — Zoning
07/27/2026
Objection raised — Scope
07/27/2026
Objection raised — Other
07/27/2026
Objection raised — Zoning
07/27/2026
Objection raised — Structural
07/10/2026
Filed — Alteration CO
How with Filing Alt CO for Interior Renovation, change of arrangement of the dwelling units, and obtain a new C of O
B01408131-S1
07/10/2026
Special inspection requirement — Permanent certificate
07/01/2026
Filed — Alteration CO
How with Filing Alt CO for Interior Renovation, change of arrangement of the dwelling units, and obtain a new C of O
B01408131-I1
06/26/2026
Special inspection requirement — Lighting controls
06/26/2026
Special inspection requirement — Permanent certificate
06/26/2026
Special inspection requirement — Lighting in dwelling units
06/25/2026
Special inspection requirement — Heating Systems
06/25/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
06/25/2026
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
06/25/2026
Special inspection requirement — Fire-Resistance Rated Construction
06/15/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
06/15/2026
Special inspection requirement — Energy Code Compliance Inspections
06/15/2026
Special inspection requirement — Maintenance information
06/15/2026
Special inspection requirement — HVAC-R and service water heating equipment
06/15/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
06/15/2026
Special inspection requirement — HVAC-R and service water heating system controls
06/15/2026
Special inspection requirement — Concrete - Cast-In-Place
06/15/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
06/15/2026
Special inspection requirement — Subgrade Inspections
06/15/2026
Special inspection requirement — Energy Code Compliance Inspections
05/28/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
05/28/2026
Special inspection requirement — HVAC-R and service water heating equipment
05/28/2026
Special inspection requirement — Fenestration air leakage
05/28/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Latest 60 of 124 events.
Nothing on file for this building.
1 project · most recent 07/10/2026
Heating and Air Conditioning Systems Ventilation Systems
FiledStatusContractorScope
07/10/2026——Heating and Air Conditioning Systems, Ventilation Systems
1 project · most recent 07/10/2026
Gas Water/Sanitary
FiledStatusContractorScope
07/10/2026——Gas, Water/Sanitary
1 project · most recent 07/10/2026
Steel
FiledStatusContractorScope
07/10/2026——Steel
▾Special Inspection Requirements (DOB NOW) — 35
DateRequirementInspectorRole
08/05/2026Duct leakage testing, insulation and design—energy_progress
07/30/2026Fenestration areas—energy_progress
07/30/2026Insulation placement and R values—energy_progress
07/30/2026Air barrier - visual inspection—energy_progress
07/10/2026Permanent certificate—energy_progress
06/26/2026Lighting controls—energy_progress
06/26/2026Permanent certificate—energy_progress
06/26/2026Lighting in dwelling units—energy_progress
06/25/2026Heating Systems—special
06/25/2026Excavations - Sheeting, Shoring, and Bracing—special
06/25/2026Subsurface Investigations (Borings/Test Pits)—special
06/25/2026Fire-Resistance Rated Construction—progress
06/15/2026Fire-Resistant Penetrations and Joints—special
06/15/2026Energy Code Compliance Inspections—progress
06/15/2026Maintenance information—energy_progress
06/15/2026HVAC-R and service water heating equipment—energy_progress
06/15/2026HVAC-R and service water piping design and insulation—energy_progress
06/15/2026HVAC-R and service water heating system controls—energy_progress
06/15/2026Concrete - Cast-In-Place—special
06/15/2026Fire-Resistant Penetrations and Joints—special
06/15/2026Subgrade Inspections—special
06/15/2026Energy Code Compliance Inspections—progress
05/28/2026Fenestration and door U-factor and product ratings—energy_progress
05/28/2026HVAC-R and service water heating equipment—energy_progress
05/28/2026Fenestration air leakage—energy_progress
Latest 25 of 35.
▾Documents — 10 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/15/2026B01408131-S1Request digital key ↗
08/15/2026B01408131-I1Request digital key ↗
▸Seals & Professional Certifications2
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/16/2026B01408131-S1Open ↗
08/16/2026B01408131-I1Open ↗
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
08/15/2026B01408131-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/15/2026B01408131-S1Open ↗
08/15/2026B01408131-I1Open ↗
▸Inspections & Test Reports2
▸DOB NOWTR4 Test Report and Plot Diagram1
08/15/2026B01408131-I1Open ↗
▸DOB NOWSOIL REPORT1
08/15/2026B01408131-I1Open ↗
▸Other Documents1
▸DOB NOWProperty Ownership Certification1
08/15/2026B01408131-I1Open ↗