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Two family converted from one family
434 THROOP AVENUE
BROOKLYN · BIN 3050471
💬 Discuss this project
1899Year Built
2Stories
B3Building Class
R6BZoning
3,446 sfGross Floor Area
2Units
13 Open Violations ▸FDNY Report ↗
Two family converted from one family · Owner of record: 434 THROOP AVENUE QOZB, LLC · 1,733 sf lot · 1.99 FAR built · Flood zone X
Locations of Work
Architecture
Basement1p · 1 filing · 7 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
TOPLINE NYC CONTRACTING507/08/2026
434 THROOP1103/22/2026
434 THROOP AVE QOZB1103/22/2026
434 THROOP AVE LLC203/22/2026
SITELINE CONSTRUCTION203/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
07/12/2021$700K—434 THROOP AVENUE LLC → 434 THROOP AVENUE QOZB, LLC$203/sf building
03/26/2018$403K—Private party → 434 THROOP AVENUE LLC$117/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
MOHAMMAD AHEAD, PE203/07/2022
MICAH JUDE NICKERSON, ARCHITECT108/24/2021
BODY-LAWSON ASSOCIATES104/10/2019
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
ADVANCED BUILDERS SERVICES203/21/2026
BMB BUILDING CONSULTING403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
SITELINE CONSTRUCTION INCGeneral Contractor603/21/2026
TOPLINE NYC CONTRACTINGGeneral Contractor407/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
DEMERARA ENGINEERING, PLL4248108/24/2021
Building Lifecycle
All (50)Filed (4)Permit Issued (4)Signed Off (4)Violation (34)Special Inspection (4)
08/15/2025
Violation issued (FDNY_NOV, closed)
02/01/2024
Violation issued (FDNY_NOV, closed)
01/20/2023
Signed off — Alteration
PROPOSE TO ADDRESS ALL VIOLATIONS, INTERIOR DEMO AT BASEMENT AS PER PLAN. PLUMBING WORK WILL FILE UNDER LAA. NO CHANGE IN USE, EGRESS, AND OCCUPANY.
B00556153-I1
12/12/2022
Signed off — Alteration
B00110462-I1
10/24/2022
Signed off — Alteration
B00692575-I1
09/27/2022
Signed off — Alteration
B00692577-I1
07/06/2022
Violation issued (ECB, closed)
Construction
04/05/2022
Violation issued (ECB, closed)
Construction
03/10/2022
Violation issued (ECB, closed)
Construction
03/09/2022
Permit issued — Sidewalk Shed
B00692575-I1-SH
03/08/2022
Permit issued — Supported Scaffold
B00692577-I1-SF
03/07/2022
Filed — Alteration
B00692575-I1
03/07/2022
Filed — Alteration
B00692577-I1
01/13/2022
Permit issued — Construction Fence
B00110462-I1-FN
11/30/2021
Permit issued — General Construction
B00556153-I1-GC
08/24/2021
Filed — Alteration
PROPOSE TO ADDRESS ALL VIOLATIONS, INTERIOR DEMO AT BASEMENT AS PER PLAN. PLUMBING WORK WILL FILE UNDER LAA. NO CHANGE IN USE, EGRESS, AND OCCUPANY.
B00556153-I1
08/24/2021
Special inspection requirement — Air barrier - visual inspection
Oscar Walters Jr
08/24/2021
Special inspection requirement — Fenestration areas
Oscar Walters Jr
07/12/2021
Special inspection requirement — Fire-Resistant Penetrations and Joints
Oscar Walters Jr
07/12/2021
Special inspection requirement — Final
Oscar Walters Jr
11/26/2019
Violation issued (FDNY_NOV, closed)
08/01/2019
Violation issued (ECB, closed)
Construction
04/10/2019
Filed — Alteration
B00110462-I1
03/06/2019
Violation issued (ECB, closed)
Construction
11/10/2018
Violation issued (ECB, closed)
Construction
09/15/2018
Violation issued (ECB, closed)
Construction
08/08/2018
Violation issued (ECB, closed)
Construction
06/25/2018
Violation issued (ECB, closed)
Construction
05/16/2018
Violation issued (ECB, closed)
Construction
03/24/2018
Violation issued (ECB, closed)
Construction
03/24/2018
Violation issued (ECB, closed)
Construction
03/21/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/21/2018
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/11/2018
Violation issued (ECB, closed)
Construction
12/28/2017
Violation issued (ECB, closed)
Construction
12/28/2017
Violation issued (ECB, closed)
Construction
11/07/2016
Violation issued (ECB, closed)
Construction
10/21/2016
Violation issued (HPD, open)
I
10/18/2016
Violation issued (HPD, open)
C
10/18/2016
Violation issued (HPD, open)
B
10/18/2016
Violation issued (HPD, open)
A
10/18/2016
Violation issued (HPD, open)
A
10/18/2016
Violation issued (HPD, open)
B
10/18/2016
Violation issued (HPD, open)
B
10/18/2016
Violation issued (HPD, open)
A
10/18/2016
Violation issued (HPD, open)
B
10/18/2016
Violation issued (HPD, open)
B
10/17/2016
Violation issued (HPD, open)
B
10/17/2016
Violation issued (HPD, open)
B
10/17/2016
Violation issued (HPD, open)
B
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSidewalk ShedSigned-offTOPLINE NYC CONTRACTING03/09/2022
DOB NOWSupported ScaffoldSigned-offTOPLINE NYC CONTRACTING03/08/2022
DOB NOWConstruction FenceSigned-offSITELINE CONSTRUCTION INC01/13/2022
DOB NOWGeneral ConstructionSigned-offSITELINE CONSTRUCTION INC11/30/2021
BISPLISSUEDBEST PLUMBING & HVAC INC01/31/2022
BIS—ISSUEDSITELINE CONSTRUCTION INC01/19/2022
4 projects · most recent 01/31/2023
General Wiring
FiledStatusContractorScope
01/31/2023CompleteINTELOGIC ELECTRIC, INC.General Wiring
03/11/2022CompleteRICHARD NEU—
11/16/2021CompleteSTERLING ELECTRIC INC.General Wiring
08/18/2021CompleteSTERLING ELECTRIC INC.General Wiring
▾Special Inspection Requirements (DOB NOW) — 4
DateRequirementInspectorRole
08/24/2021Air barrier - visual inspectionOscar Walters Jrenergy_progress
08/24/2021Fenestration areasOscar Walters Jrenergy_progress
07/12/2021Fire-Resistant Penetrations and JointsOscar Walters Jrspecial
07/12/2021FinalOscar Walters Jrprogress
▾Documents — 116 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch3
09/01/2026B00556153-I1Request digital key ↗
08/31/2026B00692575-I1Request digital key ↗
08/31/2026B00692577-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Construction Fence1
09/02/2026B00110462-I1Request digital key ↗
▸Applications & Permits21
▸BISPLAN / WORK APPROVAL APPLICATION17
08/17/2023322106993Open ↗
08/11/2023322106993Open ↗
03/24/2023321824264Open ↗
Showing 3 of 17 on file for this type
▸BISWORK PERMIT APPLICATION2
01/31/2022321824264Open ↗
01/19/2022321824264Open ↗
▸BISTEMPORARY FENCE APPLICATION & PERMIT1
01/17/2022321824264Open ↗
▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1
12/23/2022321824264Open ↗
▸Zoning, Tax Lot & Property Records12
▸BISZONING DIAGRAM3
05/01/2019321824264Open ↗
05/01/2019321824264Open ↗
05/01/2019321824264Open ↗
▸BISADDRESS: NEW HOUSE NUMBER APPROVED2
04/18/2023321824264Open ↗
12/17/2018321824264Open ↗
▸BISZONING EXHIBIT I: CERTIFICATION2
08/16/2023322106993Open ↗
12/17/2018321824264Open ↗
▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1
12/17/2018321824264Open ↗
▸BISTAX LOT: TENTATIVE LOT NUMBER ISSUED1
08/16/2023322106993Open ↗
▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1
08/16/2023322106993Open ↗
▸BISVERIFY TAX LOT1
04/18/2023321824264Open ↗
▸BISCO OBJ: VERIFY ADDRESS-TOPO STAMP1
04/18/2023321824264Open ↗
▸Seals & Professional Certifications11
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION4
12/20/2018321824264Open ↗
12/17/2018321824264Open ↗
12/17/2018321824264Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
09/02/2026B00110462-I1Open ↗
08/31/2026B00692575-I1Open ↗
08/31/2026B00692577-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWProgress Inspector Seal & Signature2
08/22/2026B00556153-I1Open ↗
08/22/2026B00556153-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/22/2026B00556153-I1Open ↗
▸Trade Schedules & Equipment13
▸BISEQUIPMENT USE PERMITS5
05/10/2023321824264Open ↗
05/10/2023321824264Open ↗
05/10/2023321824264Open ↗
Showing 3 of 5 on file for this type
▸BISEQUIPMENT USE APPLICATION/PERMIT3
05/10/2023321824264Open ↗
05/10/2023321824264Open ↗
04/18/2023321824264Open ↗
▸BISSCHEDULE B - PLUMBING2
11/04/2022321824264Open ↗
09/26/2022321824264Open ↗
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
08/17/2018321824264Open ↗
▸BISDETECTOR:SMOKE-CERT. OF INSTALLATION1
04/18/2023321824264Open ↗
▸BISDETECTOR:CARBON MONOXIDE-CERT.OF INSTALL1
04/18/2023321824264Open ↗
▸Safety & Tenant Protection4
▸BISSTREET TREE CHECKLIST2
09/26/2022321824264Open ↗
12/17/2018321824264Open ↗
▸BISSTREET TREE SIGNOFF1
04/18/2023321824264Open ↗
▸BISSTREET TREES: RECEIPT OF STREET TREES SITE PLAN1
02/18/2021321824264Open ↗
▸Environmental & Asbestos2
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
08/17/2018321824264Open ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B00556153-I1Open ↗
▸Energy Compliance8
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY5
04/18/2023321824264Open ↗
09/27/2022321824264Open ↗
09/27/2022321824264Open ↗
Showing 3 of 5 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS1
08/17/2018321824264Open ↗
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
03/20/2023321824264Open ↗
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026B00556153-I1Open ↗
▸Inspections & Test Reports10
▸BISTECHNICAL REPORT: RESPONSIBILITY7
04/18/2023321824264Open ↗
09/27/2022321824264Open ↗
09/27/2022321824264Open ↗
Showing 3 of 7 on file for this type
▸BISSOIL REPORT1
12/17/2018321824264Open ↗
▸BISTECHNICAL REPORT: SOIL INSPECTION1
04/27/2023321824264Open ↗
▸BISSUBSURFACE / SOILS INVESTIGATION (BORINGS/TEST PITS)1
04/27/2023321824264Open ↗
▸Approvals, Objections & Sign-offs12
▸BISLETTERS - SUPPORTING DOCUMENTATION7
08/28/2023322106993Open ↗
08/16/2023322106993Open ↗
08/16/2023322106993Open ↗
Showing 3 of 7 on file for this type
▸BISSCHEDULE A - OCCUPANCY / USE5
03/23/2023321824264Open ↗
03/21/2023321824264Open ↗
03/20/2023321824264Open ↗
Showing 3 of 5 on file for this type
▸Cost, Insurance & Ownership5
▸BISCOST AFFIDAVIT3
09/26/2022321824264Open ↗
12/17/2018321824264Open ↗
08/17/2018321824264Open ↗
▸BISPROJECT-SPECIFIC GL INSURANCE1
01/17/2022321824264Open ↗
▸BISCOST AFFIDAVIT (FINAL): PW31
03/20/2023321824264Open ↗
▸Filing & Intake Forms8
▸BISADDITIONAL INFORMATION4
08/28/2023322106993Open ↗
05/26/2023321824264Open ↗
10/19/2022321824264Open ↗
Showing 3 of 4 on file for this type
▸BISEFILING COVER SHEET4
08/11/2023322106993Open ↗
11/26/2018321824264Open ↗
11/23/2018321824264Open ↗
Showing 3 of 4 on file for this type
▸Other Documents6
▸BISPLOT DIAGRAM5
08/16/2023322106993Open ↗
04/18/2023321824264Open ↗
09/23/2022321824264Open ↗
Showing 3 of 5 on file for this type
▸BISTCO - Supporting Documents1
04/26/2023321824264Open ↗