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Converted dwellings or rooming house
John B. and Isabella Leech House
520 WEST END AVENUE · BIN 1033128
💬 Discuss this project
1892Year Built
4.5Stories
C5Building Class
R10AZoning
8,287 sfGross Floor Area
10Units
Rent Stabilized36 Open Violations 33 unresolved · 3 paperwork only ▸
Converted dwellings or rooming house · Owner of record: 520 TOWNHOUSE, LLC · 2,717 sf lot · 3.05 FAR built · Flood zone X
Locations of Work
ArchitectureGeneral
Permit Issued — active, not yet Signed-off
RoofUnder Construction1p · 1 filing · 4 docs
Floor 21p · 1 filing · 16 docs
Floor 1
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
LEMX407/17/2026
AJ CLARKE REAL ESTATE CORP1303/22/2026
520 TOWNHOUSE, LLC803/22/2026
STEEL203/22/2026
STEEL INDUSTRIES103/22/2026
OWNER OF 520 WEST END AVE103/22/2026
OWNER OF 520 W. END AVENU103/22/2026
STUX 520 GP403/21/2026
STUX 520 GROUP503/21/2026
STUX 520 GROUP C O TRAYMORE POE203/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/24/2025$3.5M—— → —$422/sf building
▾Design Consultants (Architect / Engineer of Record)
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ANDAMIO SCAFFOLDING LLCGeneral Contractor603/21/2026
LEMX CORPGeneral Contractor307/17/2026
AMERICAN STANDARD P&H CORORP.Plumbing207/08/2026
HARROW NY INCGeneral Contractor207/08/2026
MARINO, DOMENICKElectrical103/21/2026
GOODLUCK, RAYMONDElectrical103/21/2026
GREGORY PAPANTONIOUElectrical103/21/2026
PHOENIX SUTTON STR INCGeneral Contractor107/08/2026
SENAD MEHOVICElectrical103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CATALPA SPECIAL INSPECTIO2004506/01/2026
DS ENGINEERING SERVICES,1608102/17/2026
PROJECT TACTICAL SOLUTION5859102/17/2026
Building Lifecycle
All (106)Filed (12)Permit Issued (11)Signed Off (4)Violation (60)Inspection (8)Special Inspection (11)
09/30/2026
Permit issued — Sidewalk Shed
M01385693-I1-SH
08/26/2026
Violation issued (HPD, open)
B
08/26/2026
Violation issued (HPD, open)
C
08/26/2026
Violation issued (HPD, open)
C
08/03/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
07/28/2026
Filed — Alteration
INSTALLATION OF TEMPORARY HEAVY DUTY SIDEWALK SHED AND PIPE SCAFFOLD AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF 2022 THE NYC BUILDING CODE.LIVE LOAD 300PSF.
M01385693-P1
07/16/2026
Permit issued — Supported Scaffold
M01385693-I1-SH
06/05/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
06/03/2026
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
06/01/2026
Filed — Alteration
Interior renovation of apartment 3/4. No change to occupancy, use or egress.
M01387482-P1
05/19/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
05/18/2026
Special inspection requirement — Tenant Protection Plan Compliance
05/18/2026
Special inspection requirement — Lighting in dwelling units
Sanford Berger
05/18/2026
Special inspection requirement — Fire-Resistance Rated Construction
Sanford Berger
05/18/2026
Special inspection requirement — Final
Sanford Berger
05/18/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Sanford Berger
05/01/2026
Permit issued — Plumbing
M01387482-S1-PL
04/28/2026
Signed off — Alteration
MODIFICATION TO EXISTING PLUMBING FIXTURES AND ASSOCIATED PIPING RELATED TO APARTMENT RENOVATION. NO CHANGE TO OCCUPANCY, USE OR EGRESS
M01319952-I1
04/28/2026
Signed off — Alteration
MODIFICATION TO EXISTING PLUMBING FIXTURES AND ASSOCIATED PIPING RELATED TO APARTMENT RENOVATION. NO CHANGE TO OCCUPANCY, USE OR EGRESS
M01319952-S1
04/27/2026
Permit issued — General Construction
M01387482-I1-GC
04/23/2026
Filed — Alteration
Interior renovation of apartment 3/4. No change to occupancy, use or egress.
M01387482-S1
04/22/2026
Filed — Alteration
Interior renovation of apartment 3/4. No change to occupancy, use or egress.
M01387482-I1
04/20/2026
Permit issued — Supported Scaffold
M01385693-I1-SF
04/20/2026
Permit issued — Supported Scaffold
M01385693-I1-SH
04/20/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Sanford Berger
04/18/2026
Filed — Alteration
INSTALLATION OF TEMPORARY HEAVY DUTY SIDEWALK SHED AND PIPE SCAFFOLD AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF 2022 THE NYC BUILDING CODE.LIVE LOAD 300PSF.
M01385693-I1
04/16/2026
Special inspection requirement — Tenant Protection Plan Compliance
Sanford Berger
04/14/2026
Permit issued — General Construction
M01355269-I1-GC
03/25/2026
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
03/25/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
03/13/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
02/17/2026
Filed — Alteration
M01355269-I1
02/06/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
02/02/2026
Permit issued — Plumbing
M01319952-S1-PL
01/29/2026
Permit issued — General Construction
M01319952-I1-GC
01/23/2026
Filed — Alteration
MODIFICATION TO EXISTING PLUMBING FIXTURES AND ASSOCIATED PIPING RELATED TO APARTMENT RENOVATION. NO CHANGE TO OCCUPANCY, USE OR EGRESS
M01319952-I1
01/23/2026
Filed — Alteration
MODIFICATION TO EXISTING PLUMBING FIXTURES AND ASSOCIATED PIPING RELATED TO APARTMENT RENOVATION. NO CHANGE TO OCCUPANCY, USE OR EGRESS
M01319952-S1
12/18/2025
Violation issued (HPD, open)
B
12/18/2025
Violation issued (HPD, open)
B
12/18/2025
Violation issued (HPD, open)
B
12/18/2025
Violation issued (HPD, open)
B
11/17/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Sanford Berger
11/17/2025
Special inspection requirement — Lighting in dwelling units
Sanford Berger
11/17/2025
Special inspection requirement — Fire-Resistance Rated Construction
Sanford Berger
11/17/2025
Special inspection requirement — Final
Sanford Berger
06/04/2025
Violation issued (HPD, closed)
A
02/05/2025
Violation issued (ECB, open)
Construction
05/26/2024
Violation issued (HPD, open)
B
05/26/2024
Violation issued (HPD, open)
B
04/26/2024
Violation issued (HPD, closed)
C
04/26/2024
Violation issued (HPD, open)
C
04/26/2024
Violation issued (HPD, open)
B
04/26/2024
Violation issued (HPD, closed)
C
04/16/2024
Violation issued (HPD, open)
B
04/16/2024
Violation issued (HPD, closed)
C
04/16/2024
Violation issued (HPD, open)
A
04/16/2024
Violation issued (HPD, open)
C
03/10/2024
Violation issued (ECB, open)
Construction
04/27/2023
Violation issued (HPD, closed)
B
02/24/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
Latest 60 of 106 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSidewalk ShedPermit IssuedLEMX CORP09/30/2026
DOB NOWSupported ScaffoldPermit IssuedLEMX CORP07/16/2026
DOB NOWPlumbingSigned-offAMERICAN STANDARD P&H CORORP.05/01/2026
DOB NOWGeneral ConstructionSigned-offHARROW NY INC04/27/2026
DOB NOWSupported ScaffoldPermit IssuedLEMX CORP04/20/2026
DOB NOWSupported ScaffoldPermit IssuedLEMX CORP04/20/2026
DOB NOWGeneral ConstructionPermit IssuedPHOENIX SUTTON STR INC04/14/2026
DOB NOWPlumbingSigned-offAMERICAN STANDARD P&H CORORP.02/02/2026
DOB NOWGeneral ConstructionSigned-offHARROW NY01/29/2026
DOB NOWSidewalk ShedSigned-offANDAMIO SCAFFOLDING LLC09/22/2022
DOB NOWSupported ScaffoldSigned-offANDAMIO SCAFFOLDING LLC09/21/2022
BISEQISSUEDSTEEL INDUSTRIES INC.02/13/2008
BISEQISSUEDSTEEL INDUSTRIES INC.05/11/2007
BISEQISSUEDSTEEL INDUSTRIES INC12/04/2006
BIS—ISSUEDMILTON GARAY CONSTRUCTION02/14/2003
BISOTISSUEDMILTON DESIGN CONSTRUCTION03/05/2002
BISOTISSUEDMILTON DESIGN CONSTRUCTION11/30/2000
BISPLISSUEDWASOFF PLBG & UTILITY CO02/11/2000
BISBLISSUEDWASOFF PLBG & UTILITY CO02/11/2000
BISOTISSUEDTHE STUX 520 GROUP INC06/18/1998
BISOTISSUEDTHE RENOVATION COMPANY INC.01/12/1995
BISOTISSUEDACHENBACH MASONRY CORP.12/27/1993
BIS—ISSUEDROBERT LEONARD, INC.11/23/1992
BISOTISSUEDWEST NEW YORK RESTORATION INC02/05/1992
BISOTISSUEDWEST NEW YORK RESTORATION INC10/28/1991
2 projects · most recent 06/01/2026
Gas Water/Sanitary
FiledStatusContractorScope
06/01/2026Signed-offAMERICAN STANDARD P&H CORGas, Water/Sanitary
01/23/2026Signed-offAMERICAN STANDARD P&H CORGas, Water/Sanitary
4 projects · most recent 05/11/2026
General Wiring
FiledStatusContractorScope
05/11/2026Permit IssuedE & M ELECTRICAL NY CORPGeneral Wiring
04/18/2026Permit IssuedRICHARD NEU—
02/11/2026Permit IssuedE & M ELECTRICAL NY CORPGeneral Wiring
09/28/2022CompleteBOROWIDE ELECT'L CONTR'S—
1 project · most recent 07/28/2026
Scaffold Sidewalk Shed
FiledStatusContractorScope
07/28/2026Permit IssuedLEMX CORPScaffold, Sidewalk Shed
1 project · most recent 01/23/2026
Tenant Protection Plan 72 Hour
FiledStatusContractorScope
01/23/2026Signed-offAMERICAN STANDARD P&H CORTenant Protection Plan 72 Hour
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
08/03/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
06/05/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
06/03/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
05/19/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
03/25/2026Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
03/25/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
03/13/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
02/06/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 11
DateRequirementInspectorRole
05/18/2026Tenant Protection Plan Compliance—special
05/18/2026Lighting in dwelling unitsSanford Bergerenergy_progress
05/18/2026Fire-Resistance Rated ConstructionSanford Bergerprogress
05/18/2026FinalSanford Bergerprogress
05/18/2026Fire-Resistant Penetrations and JointsSanford Bergerspecial
04/20/2026Fire-Resistant Penetrations and JointsSanford Bergerspecial
04/16/2026Tenant Protection Plan ComplianceSanford Bergerspecial
11/17/2025Fire-Resistant Penetrations and JointsSanford Bergerspecial
11/17/2025Lighting in dwelling unitsSanford Bergerenergy_progress
11/17/2025Fire-Resistance Rated ConstructionSanford Bergerprogress
11/17/2025FinalSanford Bergerprogress
▾Documents — 60 on file (BIS + DOB NOW)
▸Plans & Drawings12
▸DOB NOWPlans/Sketch12
09/01/2026M08006754-I1Request digital key ↗
09/01/2026M08006754-P1Request digital key ↗
09/01/2026M08006756-P1Request digital key ↗
Showing 3 of 12 on file for this type
▸Applications & Permits9
▸DOB NOWLPC Approval/Permit6
08/17/2026M01387482-P1Open ↗
08/17/2026M01387482-I1Open ↗
08/17/2026M01387482-S1Open ↗
Showing 3 of 6 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION3
07/25/2019123451638Open ↗
09/06/2018123451638Open ↗
06/30/2011120733359Open ↗
▸Seals & Professional Certifications21
▸DOB NOWDPL-1: Design Professional Seal & Signature12
09/01/2026M08006754-I1Open ↗
09/01/2026M08006754-P1Open ↗
09/01/2026M08006756-I1Open ↗
Showing 3 of 12 on file for this type
▸DOB NOWProgress Inspector Seal & Signature4
09/02/2026M01319952-I1Open ↗
09/02/2026M01319952-I1Open ↗
08/22/2026M01387482-P1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature3
09/02/2026M01319952-I1Open ↗
08/28/2026M01387482-S1Open ↗
08/22/2026M01387482-P1Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY-CERTIFICATION2
06/24/2011120733359Open ↗
09/06/2018123451638Open ↗
▸Trade Schedules & Equipment1
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
09/06/2018123451638Open ↗
▸Safety & Tenant Protection1
▸BISSTREET TREE CHECKLIST1
09/06/2018123451638Open ↗
▸Environmental & Asbestos8
▸DOB NOWDEP ACP-5: Asbestos Assessment Report6
08/17/2026M01387482-I1Open ↗
08/17/2026M01387482-P1Open ↗
08/17/2026M01387482-S1Open ↗
Showing 3 of 6 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
09/06/2018123451638Open ↗
▸BISASBESTOS-EXEMPTION (ASB4)1
06/24/2011120733359Open ↗
▸Energy Compliance1
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
09/06/2018123451638Open ↗
▸Approvals, Objections & Sign-offs2
▸BISSCHEDULE A - OCCUPANCY / USE1
09/06/2018123451638Open ↗
▸BISADMINISTRATIVE OBJECTIONS1
06/24/2011120733359Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
09/06/2018123451638Open ↗
06/24/2011120733359Open ↗
▸Filing & Intake Forms2
▸BISADDITIONAL INFORMATION1
10/22/2019123451638Open ↗
▸BISEFILING COVER SHEET1
09/06/2018123451638Open ↗
▸Other Documents1
▸BISPLOT DIAGRAM1
09/06/2018123451638Open ↗