← Back
Three families
596 LEONARD STREET
BROOKLYN · BIN 3066167
💬 Discuss this project
1901Year Built
3Stories
C0Building Class
R6BZoning
2,772 sfGross Floor Area
3Units
Rent Stabilized19 Open Violations ▸FDNY Report ↗
Three families · Owner of record: 596 LEONARD LLC · 2,500 sf lot · 1.11 FAR built · Flood zone X
Locations of Work
ArchitectureFire Protection
Roof3p · 1 filing · 20 docs
Penthouse2p · 2 filings · 20 docs
Floor 32p · 1 filing · 20 docs
Floor 2
Floor 11p · 1 filing · 20 docs
Cellar5p · 3 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MTEK2409/13/2026
596 LEONARD LLC303/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/19/2024$2.4M—Private party → 596 LEONARD LLC$873/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
JUST CONSULTING ENGINEERING608/19/2026
THOMAS C. TUNG, P.E.208/06/2026
CQ&J CORPORATION507/29/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
WM ARCH1403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
MCKENNEY CONSTRUCTION LLCGeneral Contractor207/17/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
HRF SERVICES CORP5616508/19/2026
Building Lifecycle
All (142)Filed (13)Permit Issued (2)Violation (19)Objection (78)Special Inspection (30)
09/03/2026
Objection resolved — Addressed
09/01/2026
Objection resolved — Addressed
08/31/2026
Objection resolved — Addressed
08/31/2026
Objection resolved — Resolved
08/31/2026
Objection resolved — Addressed
08/31/2026
Objection resolved — Resolved
08/31/2026
Objection resolved — Addressed
08/25/2026
Objection raised — Scope
08/25/2026
Objection raised — Scope
08/25/2026
Objection raised — Cost
08/25/2026
Objection raised — Scope
08/25/2026
Objection raised — Cost
08/25/2026
Objection raised — Scope
08/25/2026
Objection raised — Scope
08/25/2026
Objection raised — Scope
08/19/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
PROVIDE NEW FIRE SPRINKLER SYSTEM THROUGHOUT FOUR STORYRESIDENTIAL BUILDING WITH PENTHOUSE & CELLAR. (ALTCO#B01243372-I1)
B01243372-P4
08/19/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
PROVIDE NEW FIRE SPRINKLER SYSTEM THROUGHOUT FOUR STORYRESIDENTIAL BUILDING WITH PENTHOUSE & CELLAR. (ALTCO#B01243372-I1)
B01243372-P3
08/19/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
PROVIDE NEW FIRE SPRINKLER SYSTEM THROUGHOUT FOUR STORYRESIDENTIAL BUILDING WITH PENTHOUSE & CELLAR. (ALTCO#B01243372-I1)
B01243372-P2
08/17/2026
Special inspection requirement — Subgrade Inspections
SHAHRIAR QUAYYUM
08/17/2026
Special inspection requirement — Construction Operations Influencing Adjacent Structures
SHAHRIAR QUAYYUM
08/17/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
SHAHRIAR QUAYYUM
08/17/2026
Special inspection requirement — Subgrade Inspections
SHAHRIAR QUAYYUM
08/17/2026
Special inspection requirement — Final
08/17/2026
Special inspection requirement — Structural Steel - Welding
08/17/2026
Special inspection requirement — Structural Steel - High Strength Bolting
08/17/2026
Special inspection requirement — Structural Cold-Formed Steel
08/17/2026
Special inspection requirement — Masonry
08/17/2026
Special inspection requirement — Concrete - Cast-In-Place
08/17/2026
Special inspection requirement — Structural Steel - Details
08/17/2026
Special inspection requirement — Concrete - Cast-In-Place
SHAHRIAR QUAYYUM
08/17/2026
Special inspection requirement — Footing and Foundation
08/17/2026
Special inspection requirement — Final
08/17/2026
Special inspection requirement — Concrete - Cast-In-Place
SHAHRIAR QUAYYUM
08/17/2026
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
08/06/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
PROVIDE NEW FIRE SPRINKLER SYSTEM THROUGHOUT FOUR STORYRESIDENTIAL BUILDING WITH PENTHOUSE & CELLAR. (ALTCO#B01243372-I1)
B01243372-S9
07/29/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
PROVIDE NEW FIRE SPRINKLER SYSTEM THROUGHOUT FOUR STORYRESIDENTIAL BUILDING WITH PENTHOUSE & CELLAR. (ALTCO#B01243372-I1)
B01243372-P1
07/28/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
07/28/2026
Special inspection requirement — Final
07/16/2026
Permit issued — Construction Fence
B01306772-I1-FN
05/05/2026
Violation issued (HPD, open)
A
04/09/2026
Objection raised — Other
03/31/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
PROVIDE NEW FIRE SPRINKLER SYSTEM THROUGHOUT FOUR STORYRESIDENTIAL BUILDING WITH PENTHOUSE & CELLAR. (ALTCO#B01243372-I1)
B01243372-S8
03/31/2026
Special inspection requirement — Underpinning
03/31/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
SHAHRIAR QUAYYUM
03/02/2026
Objection resolved — Addressed
03/02/2026
Objection resolved — Addressed
03/02/2026
Objection resolved — Addressed
02/04/2026
Objection resolved — Addressed
02/04/2026
Objection resolved — Addressed
02/04/2026
Objection resolved — Addressed
02/04/2026
Objection resolved — Addressed
02/04/2026
Objection resolved — Addressed
02/04/2026
Objection resolved — Addressed
02/04/2026
Objection resolved — Addressed
02/04/2026
Objection resolved — Addressed
02/03/2026
Objection resolved — Addressed
01/26/2026
Special inspection requirement — Footing and Foundation
01/26/2026
Special inspection requirement — Final
01/22/2026
Permit issued — Construction Fence
B01306772-I1-FN
01/14/2026
Objection raised — Structural
Latest 60 of 142 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FencePermit IssuedMCKENNEY CONSTRUCTION LLC07/16/2026
DOB NOWConstruction FencePermit IssuedMCKENNEY CONSTRUCTION LLC01/22/2026
1 project · most recent 08/19/2026
Sprinkler System
FiledStatusContractorScope
08/19/2026——Sprinkler System
1 project · most recent 08/19/2026
FiledStatusContractorScope
08/19/2026———
1 project · most recent 08/19/2026
Steel Concrete Masonry
FiledStatusContractorScope
08/19/2026——Steel, Concrete, Masonry
▾Special Inspection Requirements (DOB NOW) — 52
DateRequirementInspectorRole
08/17/2026Subgrade InspectionsSHAHRIAR QUAYYUMspecial
08/17/2026Construction Operations Influencing Adjacent StructuresSHAHRIAR QUAYYUMspecial
08/17/2026Excavations - Sheeting, Shoring, and BracingSHAHRIAR QUAYYUMspecial
08/17/2026Subgrade InspectionsSHAHRIAR QUAYYUMspecial
08/17/2026Final—progress
08/17/2026Structural Steel - Welding—special
08/17/2026Structural Steel - High Strength Bolting—special
08/17/2026Structural Cold-Formed Steel—special
08/17/2026Masonry—special
08/17/2026Concrete - Cast-In-Place—special
08/17/2026Structural Steel - Details—special
08/17/2026Concrete - Cast-In-PlaceSHAHRIAR QUAYYUMspecial
08/17/2026Footing and Foundation—progress
08/17/2026Final—progress
08/17/2026Concrete - Cast-In-PlaceSHAHRIAR QUAYYUMspecial
08/17/2026Subsurface Investigations (Borings/Test Pits)—special
07/28/2026Structural Stability – Alterations of existing buildings—special
07/28/2026Final—progress
03/31/2026Underpinning—special
03/31/2026Excavations - Sheeting, Shoring, and BracingSHAHRIAR QUAYYUMspecial
01/26/2026Footing and Foundation—progress
01/26/2026Final—progress
12/23/2025Structural Cold-Formed Steel—special
12/23/2025Subsurface Investigations (Borings/Test Pits)—special
12/23/2025Subgrade InspectionsSHAHRIAR QUAYYUMspecial
Latest 25 of 52.
▾Documents — 80 on file (BIS + DOB NOW)
▸Plans & Drawings13
▸DOB NOWPlans/Sketch13
08/22/2026B01177564-I1Request digital key ↗
08/20/2026B01306772-I1Request digital key ↗
08/19/2026B01243372-I1Request digital key ↗
Showing 3 of 13 on file for this type
▸Applications & Permits2
▸BISBPP-5 - Authorization to the Department of Transportation1
12/17/2025340921364Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION1
12/17/2025340921364Open ↗
▸Zoning, Tax Lot & Property Records8
▸DOB NOWZD1: DOB Zoning Diagram3
08/19/2026B01243372-P1Open ↗
08/13/2026B01177564-I1Open ↗
08/13/2026B01243372-I1Open ↗
▸DOB NOWZoning Exhibit form (1-5)3
08/19/2026B01243372-P1Open ↗
08/13/2026B01177564-I1Open ↗
08/13/2026B01243372-I1Open ↗
▸DOB NOWHouse Number Verification: TOPO Stamp2
08/13/2026B01243372-I1Open ↗
08/13/2026B01177564-I1Open ↗
▸Seals & Professional Certifications21
▸DOB NOWDPL-1: Design Professional Seal & Signature15
08/21/2026B01243372-P2Open ↗
08/21/2026B01243372-P3Open ↗
08/19/2026B01243372-P4Open ↗
Showing 3 of 15 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
09/01/2026B01243372-S8Open ↗
09/01/2026B01243372-P3Open ↗
09/01/2026B01243372-P4Open ↗
Showing 3 of 4 on file for this type
▸BISAPPLICANT OWNER SIGNATURE1
12/17/2025340921364Open ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
12/17/2025340921364Open ↗
▸Trade Schedules & Equipment2
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)2
08/19/2026B01243372-P1Open ↗
08/13/2026B01243372-I1Open ↗
▸Safety & Tenant Protection6
▸BISBPP: STREET TREES SITE PLAN1
12/17/2025340921364Open ↗
▸BISSTREET TREE CHECKLIST1
12/17/2025340921364Open ↗
▸DOB NOWStreet Tree Checklist1
08/13/2026B01177564-I1Open ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/19/2026B01243372-I1Open ↗
▸DOB NOWStreet Trees Site Plan1
08/19/2026B01243372-I1Open ↗
▸DOB NOWStreet Tree Sign Off1
08/19/2026B01243372-I1Open ↗
▸Environmental & Asbestos11
▸DOB NOWDEP ACP-5: Asbestos Assessment Report11
08/19/2026B01243372-P4Open ↗
08/19/2026B01243372-P3Open ↗
08/19/2026B01243372-P2Open ↗
Showing 3 of 11 on file for this type
▸Inspections & Test Reports3
▸DOB NOWSOIL REPORT2
08/19/2026B01243372-P3Open ↗
08/13/2026B01243372-S5Open ↗
▸DOB NOWTR4 Test Report and Plot Diagram1
08/13/2026B01243372-S5Open ↗
▸Filing & Intake Forms2
▸BISEFILING JOB APPLICATION COVER SHEET1
12/17/2025340921364Open ↗
▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31
12/17/2025340921364Open ↗
▸Other Documents12
▸DOB NOWSite Survey: Initial3
08/19/2026B01243372-P1Open ↗
08/13/2026B01177564-I1Open ↗
08/13/2026B01243372-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
08/19/2026B01243372-P1Open ↗
08/13/2026B01177564-I1Open ↗
08/13/2026B01243372-I1Open ↗
▸DOB NOWProperty Ownership Certification3
08/19/2026B01243372-I1Open ↗
08/19/2026B01243372-P1Open ↗
08/13/2026B01177564-I1Open ↗
▸BISRECORDS MGMT FEE PAYMENT RECEIPT1
12/17/2025340921364Open ↗
▸BISBPP - SUPPORTING DOCUMENTATION1
12/17/2025340921364Open ↗
▸DOB NOWPlot Diagram1
08/13/2026B01177564-I1Open ↗