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Two family brick
50 3 STREET
BROOKLYN · BIN 3007983
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1899Year Built
2Stories
B1Building Class
R6BZoning
3,568 sfGross Floor Area
2Units
0 Open Violations
Two family brick · 2,000 sf lot · 1.78 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
KAJ NY CONSTRUCTION INC703/22/2026
CONTO AND SON'S CONTR INC103/22/2026
CONTO & SONS CONTRACTING203/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/27/2017$2.3M—Private party → Private party$656/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NC2 ARCHITECTURE LLC102/24/2020
SYED ENGINEERING, P.C.110/02/2019
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
LLOYD NOEL BUILDING CONSULTANT103/21/2026
ADVANCED BUILDERS SERVICES103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
KAJ NY CONSTRUCTION INCGeneral Contractor603/21/2026
CONTO & SONS CONTRACTINGGeneral Contractor307/08/2026
Building Lifecycle
All (12)Filed (2)Permit Issued (4)Signed Off (2)Violation (4)
10/03/2024
Signed off — Alteration
B00314388-I1
02/18/2021
Permit issued — Construction Fence
B00314388-I1-FN
01/05/2021
Signed off — Alteration
B00236821-I1
10/13/2020
Permit issued — Sidewalk Shed
B00236821-I1-SH
04/06/2020
Permit issued — Construction Fence
B00314388-I1-FN
02/24/2020
Filed — Alteration
B00314388-I1
01/22/2020
Violation issued (ECB, closed)
Construction
01/18/2020
Violation issued (ECB, closed)
Construction
10/03/2019
Permit issued — Sidewalk Shed
B00236821-I1-SH
10/03/2019
Violation issued (ECB, closed)
Construction
10/02/2019
Filed — Alteration
B00236821-I1
08/28/1998
Violation issued (ECB, closed)
Construction
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FenceSigned-offCONTO & SONS CONTRACTING02/18/2021
DOB NOWSidewalk ShedSigned-offKAJ NY CONSTRUCTION INC10/13/2020
DOB NOWConstruction FenceSigned-offCONTO & SONS CONTRACTING04/06/2020
DOB NOWSidewalk ShedSigned-offKAJ NY CONSTRUCTION INC10/03/2019
BISPLISSUEDAUSTIN PLBG & HTG CO.INC10/31/2022
BIS—ISSUEDTCS CONSTRUCTION CORP09/09/2022
BIS—ISSUEDCONTO & SONS CONTRACTING12/28/2021
BIS—ISSUEDCONTO & SONS CONTRACTING02/18/2021
BIS—ISSUEDCONTO & SONS CONTRACTING06/05/2020
BIS—ISSUEDCONTO & SONS CONTRACTING07/08/2019
BISPLISSUEDPLUMBING NYC INC03/06/2019
BIS—ISSUEDCONTO & SONS CONTRACTING12/13/2018
3 projects · most recent 03/14/2023
General Wiring
FiledStatusContractorScope
03/14/2023CompleteFRIED ELECTRIC CO.General Wiring
10/01/2019CompleteRICHARD NEU—
01/11/2019CompleteAUJLA ELECTRIC CORPGeneral Wiring
Nothing on file for this building.
▾Documents — 83 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch - Construction Fence1
09/02/2026B00314388-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Sidewalk Shed1
09/02/2026B00236821-I1Request digital key ↗
▸Applications & Permits22
▸BISWORK PERMIT APPLICATION12
12/09/2022321207975Open ↗
12/09/2022321207975Open ↗
12/09/2022321207975Open ↗
Showing 3 of 12 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION7
11/06/2023321207975Open ↗
05/20/2021321207975Open ↗
03/21/2020321207975Open ↗
Showing 3 of 7 on file for this type
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION2
11/15/2023321207975Open ↗
05/03/2019321207975Open ↗
▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1
06/20/2023321207975Open ↗
▸Zoning, Tax Lot & Property Records4
▸BISCO OBJ: VERIFY ADDRESS-TOPO STAMP1
12/09/2024321207975Open ↗
▸BISZONING DIAGRAM1
11/02/2018321207975Open ↗
▸BISZONING EXHIBIT I: CERTIFICATION1
09/11/2018321207975Open ↗
▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1
09/11/2018321207975Open ↗
▸Seals & Professional Certifications9
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION7
03/09/2020321207975Open ↗
02/25/2020321207975Open ↗
09/11/2018321207975Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/13/2026B00236821-I1Open ↗
08/13/2026B00314388-I1Open ↗
▸Trade Schedules & Equipment5
▸BISHVAC & SERVICE WATER HEATING EQUIPMENT1
11/29/2023321207975Open ↗
▸BISHVAC & SERVICE WATER HEATING SYSTEM CONTROLS1
11/29/2023321207975Open ↗
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
10/03/2018321207975Open ↗
▸BISSPRINKLER SYSTEMS1
11/29/2023321207975Open ↗
▸BISSCHEDULE B - PLUMBING1
05/20/2021321207975Open ↗
▸Safety & Tenant Protection3
▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE1
12/13/2018321207975Open ↗
▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1
12/13/2018321207975Open ↗
▸BISSTREET TREE CHECKLIST1
05/15/2018321207975Open ↗
▸Environmental & Asbestos1
▸BISASBESTOS: COMPLETION OR CLOSEOUT (ACP20/21/5)1
12/13/2018321207975Open ↗
▸Energy Compliance4
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS3
03/09/2020321207975Open ↗
08/22/2018321207975Open ↗
05/15/2018321207975Open ↗
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
10/10/2023321207975Open ↗
▸Inspections & Test Reports12
▸BISSTRUCTURAL STEEL - DETAILS1
11/29/2023321207975Open ↗
▸BISSTRUCTURAL STABILITY - ALTERATIONS OF EXISTING BUILDINGS1
11/29/2023321207975Open ↗
▸BISFOOTING AND FOUNDATION INSPECTION1
11/29/2023321207975Open ↗
▸BISMASONRY1
11/29/2023321207975Open ↗
▸BISPOST-INSTALLED ANCHORS1
11/29/2023321207975Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY1
07/07/2022321207975Open ↗
▸BISBORINGS / TEST PITS (TR-4) 27-7201
09/11/2018321207975Open ↗
▸BISSUBGRADE INSP / SOILS-SITE PREP1
11/29/2023321207975Open ↗
▸BISSOIL REPORT1
09/11/2018321207975Open ↗
▸BISHYDRO FLOW TEST LETTER1
09/24/2018321207975Open ↗
▸BISMECHANICAL SYSTEMS1
11/29/2023321207975Open ↗
▸BISCONCRETE - CAST-IN-PLACE1
11/29/2023321207975Open ↗
▸Approvals, Objections & Sign-offs4
▸BISSUPERSEDING LETTER2
12/09/2022321207975Open ↗
11/02/2022321207975Open ↗
▸BISSCHEDULE A - OCCUPANCY / USE1
05/15/2018321207975Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION1
12/13/2018321207975Open ↗
▸Cost, Insurance & Ownership4
▸BISPROJECT-SPECIFIC GL INSURANCE2
07/10/2019321207975Open ↗
12/13/2018321207975Open ↗
▸BISCOST AFFIDAVIT1
05/15/2018321207975Open ↗
▸BISCOST AFFIDAVIT (FINAL): PW31
07/06/2023321207975Open ↗
▸Filing & Intake Forms9
▸BISADDITIONAL INFORMATION5
09/16/2022321207975Open ↗
07/13/2021321207975Open ↗
03/18/2020321207975Open ↗
Showing 3 of 5 on file for this type
▸BISEFILING COVER SHEET3
08/22/2018321207975Open ↗
08/22/2018321207975Open ↗
05/15/2018321207975Open ↗
▸BISBOROUGH INTAKE FORM1
12/09/2022321207975Open ↗
▸Other Documents4
▸BISMAINTENANCE INFORMATION1
11/29/2023321207975Open ↗
▸BISHVAC & SERVICE WATER PIPING DESIGN AND INSULATION1
11/29/2023321207975Open ↗
▸BISPERMANENT CERTIFICATE1
11/29/2023321207975Open ↗
▸BISPLOT DIAGRAM1
05/15/2018321207975Open ↗