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Two stories - detached, small or mid-size
614 50 STREET
BROOKLYN · BIN 3013343
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1915Year Built
2Stories
A1Building Class
R6BZoning
1,600 sfGross Floor Area
1Units
FDNY Report ↗
Two stories - detached, small or mid-size · 2,504 sf lot · 0.64 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralPlumbing
Permit Issued — active, not yet Signed-off
Roof1p · 1 filing · 18 docs
Penthouse2p · 1 filing · 18 docs
Floor 41p · 1 filing · 18 docs
Floor 3
Floor 2Under Construction1 filing · 3 docs
Floor 1Under Construction2p · 2 filings · 20 docs
CellarUnder Construction4p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
ST TONE MANAGEMENT609/15/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
01/12/2026$1.4M—— → —$862/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
YANG ENGINEERING LLC308/18/2026
JIAN DENG305/21/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
SD DESIGN STUDIO203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ST TONE MANAGEMENT INCGeneral Contractor208/26/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
YANG ENGINEERING LLC8376108/18/2026
Building Lifecycle
All (70)Filed (6)Permit Issued (2)Objection (34)Special Inspection (28)
08/27/2026
Objection resolved — Resolved
08/27/2026
Objection resolved — Resolved
08/25/2026
Permit issued — General Construction
B01384688-I1-GC
08/19/2026
Objection resolved — Addressed
08/18/2026
Filed — Alteration
PROPOSED INTERIOR RENOVATION ON CELLAR, 1ST THRU 2ND FLOOR. CEILING, FLOORING, PARTITION WORKS AS PER PLAN. NO CHANGE IN USE, BULK, EGRESS OR OCCUPANCY.
B01384688-I1
07/22/2026
Objection resolved — Open
07/22/2026
Objection resolved — Addressed
06/10/2026
Objection raised — Other
06/10/2026
Objection raised — Other
06/10/2026
Objection resolved — Resolved
06/10/2026
Objection resolved — Addressed
05/27/2026
Objection raised — Cost
05/21/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
B01357335-S2
05/21/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
B01357335-S1
05/18/2026
Objection resolved — Addressed
05/15/2026
Filed — Alteration
THIS APPLICATION IS FILED TO ADD SIDEWALK SHED & SUPPORTED SCAFFOLDING WORK IN CONJUNCTION WITH D.O.B. APPLICATION #: B01357335-I1. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B01400265-I1
05/11/2026
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
05/08/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
05/08/2026
Special inspection requirement — Structural Steel - Details
05/08/2026
Special inspection requirement — Subgrade Inspections
05/08/2026
Special inspection requirement — Concrete - Cast-In-Place
04/10/2026
Permit issued — Construction Fence
B01375932-I1-FN
03/25/2026
Filed — Alteration
SUBMIT TEMPORARY CONSTRUCTION FENCE AT OPEN SPACE, IN CONJUNCTION WITH ALT-CO APPLICATION #:B01357335-I1. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B01375932-I1
03/20/2026
Objection resolved — Addressed
03/20/2026
Objection resolved — Addressed
03/20/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
03/20/2026
Special inspection requirement — Final
03/20/2026
Special inspection requirement — Footing and Foundation
03/06/2026
Special inspection requirement — Exterior lighting power
03/06/2026
Special inspection requirement — Metering
02/26/2026
Objection resolved — Resolved
02/26/2026
Objection resolved — Addressed
02/26/2026
Objection resolved — Addressed
02/26/2026
Objection resolved — Addressed
02/26/2026
Objection resolved — Addressed
02/26/2026
Objection resolved — Addressed
02/26/2026
Objection resolved — Addressed
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/25/2026
Objection raised — Other
02/11/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
B01357335-I1
02/09/2026
Special inspection requirement — Construction Operations Influencing Adjacent Structures
02/09/2026
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
02/09/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
02/09/2026
Special inspection requirement — Masonry
02/09/2026
Special inspection requirement — Subgrade Inspections
02/09/2026
Special inspection requirement — Energy Code Compliance Inspections
02/09/2026
Special inspection requirement — Fire-Resistance Rated Construction
02/09/2026
Special inspection requirement — Air barrier - visual inspection
Latest 60 of 70 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedST TONE MANAGEMENT INC08/25/2026
DOB NOWConstruction FencePermit IssuedST TONE MANAGEMENT INC04/10/2026
1 project · most recent 08/18/2026
FiledStatusContractorScope
08/18/2026Permit IssuedST TONE MANAGEMENT INC1 scope_items
1 project · most recent 05/15/2026
Scaffold Sidewalk Shed
FiledStatusContractorScope
05/15/2026——Scaffold, Sidewalk Shed
▾Special Inspection Requirements (DOB NOW) — 28
DateRequirementInspectorRole
05/11/2026Subsurface Investigations (Borings/Test Pits)—special
05/08/2026Excavations - Sheeting, Shoring, and Bracing—special
05/08/2026Structural Steel - Details—special
05/08/2026Subgrade Inspections—special
05/08/2026Concrete - Cast-In-Place—special
03/20/2026Structural Stability – Alterations of existing buildings—special
03/20/2026Final—progress
03/20/2026Footing and Foundation—progress
03/06/2026Exterior lighting power—energy_progress
03/06/2026Metering—energy_progress
02/09/2026Construction Operations Influencing Adjacent Structures—special
02/09/2026Exterior Insulation and Finish Systems (EIFS)—special
02/09/2026Fire-Resistant Penetrations and Joints—special
02/09/2026Masonry—special
02/09/2026Subgrade Inspections—special
02/09/2026Energy Code Compliance Inspections—progress
02/09/2026Fire-Resistance Rated Construction—progress
02/09/2026Air barrier - visual inspection—energy_progress
02/09/2026Lighting controls—energy_progress
02/09/2026Fenestration and door U-factor and product ratings—energy_progress
02/09/2026Insulation placement and R values—energy_progress
02/09/2026Fenestration air leakage—energy_progress
02/09/2026Lighting in dwelling units—energy_progress
02/09/2026Interior lighting power—energy_progress
02/09/2026Fenestration areas—energy_progress
Latest 25 of 28.
▾Documents — 28 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/19/2026B01384688-I1Request digital key ↗
08/17/2026B01375932-I1Request digital key ↗
08/17/2026B01400265-I1Request digital key ↗
Showing 3 of 7 on file for this type
▸Zoning, Tax Lot & Property Records3
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/16/2026B01357335-I1Open ↗
▸DOB NOWZoning Exhibit form (1-5)1
08/13/2026B01357335-I1Open ↗
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B01357335-I1Open ↗
▸Seals & Professional Certifications7
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/19/2026B01384688-I1Open ↗
08/17/2026B01375932-I1Open ↗
08/17/2026B01400265-I1Open ↗
Showing 3 of 7 on file for this type
▸Safety & Tenant Protection1
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/16/2026B01357335-I1Open ↗
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/19/2026B01384688-I1Open ↗
08/16/2026B01357335-S5Open ↗
08/16/2026B01357335-I1Open ↗
Showing 3 of 5 on file for this type
▸Inspections & Test Reports2
▸DOB NOWTR4 Test Report and Plot Diagram1
08/14/2026B01357335-S2Open ↗
▸DOB NOWSOIL REPORT1
08/14/2026B01357335-S2Open ↗
▸Other Documents3
▸DOB NOWProperty Ownership Certification1
08/16/2026B01357335-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/13/2026B01357335-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B01357335-I1Open ↗