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Three families
652 LEONARD STREET
BROOKLYN · BIN 3065705
💬 Discuss this project
1899Year Built
3Stories
C0Building Class
R6BZoning
2,904 sfGross Floor Area
3Units
Rent Stabilized0 Open ViolationsFDNY Report ↗
Three families · 1,667 sf lot · 1.74 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Permit Issued — active, not yet Signed-off
Floor 1Under Construction3p · 1 filing · 20 docs
BasementUnder Construction2p · 1 filing · 20 docs
Sub-BasementUnder Construction1p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/13/2024$2.6M—— → —$913/sf building
06/26/2023$2.0M—— → —$699/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
JIAN ENGINEERING PLLC510/07/2025
CAREY NGAI CONSULTING ENGINEER110/10/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
IDEAL1203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
GROVE STREET BUILDERS LLCGeneral Contractor504/09/2026
HYDROKINETIC PLBG & HTG IPlumbing106/28/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
JIAN ENGINEERING PLLC7397510/07/2025
Building Lifecycle
All (66)Filed (6)Permit Issued (5)Violation (6)Inspection (2)Objection (34)Special Inspection (13)
01/12/2026
Permit issued — Mechanical Systems
B01074825-I1-GC
01/12/2026
Permit issued — Structural
B01074825-S3-ST
01/12/2026
Special inspection requirement — Mechanical Systems
JIAN DENG
01/12/2026
Special inspection requirement — Final
JIAN DENG
01/12/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
JIAN DENG
12/30/2025
Objection resolved — Addressed
12/29/2025
Objection resolved — Addressed
12/29/2025
Objection resolved — Addressed
12/28/2025
Objection resolved — Addressed
12/28/2025
Objection resolved — Addressed
10/29/2025
Objection raised — Plumbing
10/29/2025
Objection raised — Mechanical
10/29/2025
Objection raised — Mechanical
10/16/2025
Objection raised — Cost
10/15/2025
Objection raised — Admin
10/07/2025
Filed — Alteration
1 new bathroom, new kitchen, new powder room, new washer/dryer
B01074825-S6
10/07/2025
Filed — Alteration
1 new bathroom, new kitchen, new powder room, new washer/dryer
B01074825-P2
10/06/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
JIAN DENG
10/06/2025
Special inspection requirement — Final
JIAN DENG
10/06/2025
Special inspection requirement — Mechanical Systems
JIAN DENG
07/31/2025
Permit issued — Structural
B01074825-S3-ST
07/09/2025
Permit issued — Plumbing
B01074825-S1-PL
07/07/2025
Permit issued — Mechanical Systems
B01074825-I1-GC
06/12/2025
Inspection — Certified StandPipe - SD - Alarm Sys 64/09 - Finish
Certified
View inspection ↗
06/12/2025
Inspection — Certified StandPipe - SD - Hydrostatic 63/09 Test (Initial 75 Feet)
Certified
View inspection ↗
04/30/2025
Filed — Alteration
1 new bathroom, new kitchen, new powder room, new washer/dryer
B01074825-P1
04/30/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
JIAN DENG
04/30/2025
Special inspection requirement — Mechanical Systems
JIAN DENG
04/30/2025
Special inspection requirement — Final
JIAN DENG
11/27/2024
Violation issued (HPD, closed)
I
10/25/2024
Objection resolved — Addressed
10/17/2024
Objection raised — Admin
10/10/2024
Filed — Alteration
1 new bathroom, new kitchen, new powder room, new washer/dryer
B01074825-S3
09/30/2024
Filed — Alteration
1 new bathroom, new kitchen, new powder room, new washer/dryer
B01074825-S1
09/27/2024
Special inspection requirement — Final
Carey Ngai
09/27/2024
Special inspection requirement — Wood – Seismic Resistance
JIAN DENG
09/27/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
JIAN DENG
09/27/2024
Special inspection requirement — Energy Code Compliance Inspections
JIAN DENG
07/25/2024
Objection raised — Other
07/25/2024
Objection resolved — Addressed
07/25/2024
Objection resolved — Addressed
07/25/2024
Objection resolved — Addressed
07/23/2024
Objection resolved — Addressed
07/23/2024
Objection resolved — Addressed
07/23/2024
Objection resolved — Addressed
07/23/2024
Objection resolved — Addressed
07/23/2024
Objection resolved — Addressed
07/23/2024
Objection resolved — Addressed
07/23/2024
Objection resolved — Addressed
07/21/2024
Objection resolved — Addressed
07/08/2024
Objection raised — Inspections
07/08/2024
Objection raised — Scope
07/08/2024
Objection raised — Structural
07/08/2024
Objection raised — Inspections
07/08/2024
Objection raised — Other
07/08/2024
Objection raised — Scope
07/08/2024
Objection raised — Admin
07/08/2024
Objection raised — Scope
07/08/2024
Objection raised — Accessibility
07/08/2024
Objection raised — Other
Latest 60 of 66 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedGROVE STREET BUILDERS01/12/2026
DOB NOWStructuralPermit IssuedGROVE STREET BUILDERS01/12/2026
DOB NOWStructuralPermit IssuedGROVE STREET BUILDERS07/31/2025
DOB NOWPlumbingPermit IssuedHYDROKINETIC PLBG & HTG I07/09/2025
DOB NOWMechanical SystemsPermit IssuedGROVE STREET BUILDERS07/07/2025
1 job · most recent 10/07/2025
Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
10/07/2025Permit IssuedGROVE STREET BUILDERS LLCAir Conditioning Systems, Ventilation Systems
Cooling
Mitsubishi Electric SVZ-AP18NL 18,000 BTU · Fan Coil Indoor ×2
SVZ-AP24NL 18,000 BTU · Fan Coil Indoor ×2
1 job · most recent 10/07/2025
Gas Water/Sanitary
FiledStatusContractorScope
10/07/2025Permit IssuedHYDROKINETIC PLBG & HTG IGas, Water/Sanitary
1 job · most recent 06/24/2026
General Wiring
FiledStatusContractorScope
06/24/2026Permit IssuedKET ELECTRIC LLCGeneral Wiring
1 job · most recent 10/07/2025
Wood
FiledStatusContractorScope
10/07/2025Permit IssuedGROVE STREET BUILDERS LLCWood
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
06/12/2025Certified StandPipe - SD - Alarm Sys 64/09 - FinishCertifiedView ↗
06/12/2025Certified StandPipe - SD - Hydrostatic 63/09 Test (Initial 75 Feet)CertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 13
DateRequirementInspectorRole
01/12/2026Mechanical SystemsJIAN DENGspecial
01/12/2026FinalJIAN DENGprogress
01/12/2026Fire-Resistant Penetrations and JointsJIAN DENGspecial
10/06/2025Fire-Resistant Penetrations and JointsJIAN DENGspecial
10/06/2025FinalJIAN DENGprogress
10/06/2025Mechanical SystemsJIAN DENGspecial
04/30/2025Fire-Resistant Penetrations and JointsJIAN DENGspecial
04/30/2025Mechanical SystemsJIAN DENGspecial
04/30/2025FinalJIAN DENGprogress
09/27/2024FinalCarey Ngaiprogress
09/27/2024Wood – Seismic ResistanceJIAN DENGspecial
09/27/2024Fire-Resistant Penetrations and JointsJIAN DENGspecial
09/27/2024Energy Code Compliance InspectionsJIAN DENGprogress
▾Documents — 46 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/21/2026B01074825-S6Request digital key ↗
08/21/2026B01074825-P1Request digital key ↗
08/21/2026B01074825-S3Request digital key ↗
Showing 3 of 6 on file for this type
▸Applications & Permits4
▸BISPLAN / WORK APPROVAL APPLICATION2
08/30/2023320240315Open ↗
11/15/2010320240315Open ↗
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION1
08/30/2023320240315Open ↗
▸BISWORK PERMIT APPLICATION1
11/22/2010320240315Open ↗
▸Seals & Professional Certifications21
▸DOB NOWSpecial Inspector Seal & Signature8
09/01/2026B01074825-S1Open ↗
08/28/2026B01074825-P1Open ↗
08/28/2026B01074825-P1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature6
08/21/2026B01074825-S6Open ↗
08/21/2026B01074825-P1Open ↗
08/21/2026B01074825-S3Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWProgress Inspector Seal & Signature5
09/01/2026B01074825-S1Open ↗
08/28/2026B01074825-P1Open ↗
08/28/2026B01074825-I1Open ↗
Showing 3 of 5 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION2
11/15/2010320240315Open ↗
11/15/2010320240315Open ↗
▸Trade Schedules & Equipment2
▸BISSELF-CERT PLUMBING NOTICE1
03/15/2011320240315Open ↗
▸BISSCHEDULE B - PLUMBING1
11/15/2010320240315Open ↗
▸Safety & Tenant Protection1
▸BISSTREET TREE CHECKLIST1
11/15/2010320240315Open ↗
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report6
08/21/2026B01074825-P1Open ↗
08/21/2026B01074825-S3Open ↗
08/21/2026B01074825-S1Open ↗
Showing 3 of 6 on file for this type
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
11/15/2010320240315Open ↗
▸Approvals, Objections & Sign-offs2
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
08/30/2023320240315Open ↗
▸BISADMINISTRATIVE OBJECTIONS1
11/15/2010320240315Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
06/23/2023320240315Open ↗
11/15/2010320240315Open ↗
▸Filing & Intake Forms1
▸BISEFILING COVER SHEET1
11/15/2010320240315Open ↗