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BuildNYC
Primarily 5-6 family with 1 store or office
50-17 5TH STREET
QUEENS · BIN 4436594
💬 Discuss this project
1960Year Built
3Stories
S5Building Class
M1-4/R6AZoning
16,500 sfGross Floor Area
6Units
20 Active Violations 10 unresolved · 10 paperwork only 2 likely answered ▸FDNY Report ↗
Primarily 5-6 family with 1 store or office · Owner of record: 511 H+H · 7,500 sf lot · 2.2 FAR built · Flood zone AE
Locations of Work
ArchitectureStructuralElectricalMechanicalFire ProtectionLandscapeGeneralOther
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Floor 3Demolition of cellar and floors1 filing · 4 docs
Floor 2Golden Key Management CORP.2 filings · 10 docs
Floor 1Golden Key Management CORP.2 filings · 10 docs
CellarGolden Key Management CORP.2 filings · 10 docs
Filed — no permit issuedGolden Key Management CORP.17p · 1 filing · 7 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
511 H H103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/10/2024$2.0M—— → —$121/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NKM Engineering208/18/2026
Chun Feng, Architect106/20/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
High Quality 338203/21/2026
Highquality Construction VNW203/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM Engineering6244208/18/2026
Building Lifecycle
All (79)Filed (3)Violation (46)Objection (15)Special Inspection (15)
09/18/2026
Objection resolved — Addressed
09/15/2026
Objection raised — Other
09/14/2026
Objection resolved — Addressed
09/14/2026
Objection resolved — Addressed
08/31/2026
Objection raised — Scope
08/31/2026
Objection raised — Cost
08/18/2026
Filed — Alteration
FILE PLUMBING WORK WITH RELOCATION/ NEW GAS METER, ALL PIPING INVOLVED CAP/REMOVE STOVE ON 3RD FLOOR AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Q01416923-I1
08/17/2026
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
08/17/2026
Special inspection requirement — Tenant Protection Plan Compliance
NARESH MAHANGU
08/17/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
06/05/2026
Violation issued (ECB, open)
Construction
02/17/2026
Violation issued (ECB, open)
Boilers
01/12/2026
Violation issued (ECB, open)
Construction
12/29/2025
Violation issued (ECB, closed)
Construction
06/20/2025
Filed — Alteration
FILING FOR SPRINKLER WORK IN CONJUNCTION WITH DOB APPLICATION#Q01129224-I1. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
Q01243806-I1
06/19/2025
Objection resolved — Addressed
06/19/2025
Special inspection requirement — Tenant Protection Plan Compliance
NARESH MAHANGU
06/19/2025
Special inspection requirement — Post-installed Anchors
NARESH MAHANGU
06/19/2025
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
06/19/2025
Special inspection requirement — Sprinkler Systems
NARESH MAHANGU
01/21/2025
Objection resolved — Addressed
01/15/2025
Objection resolved — Addressed
01/15/2025
Objection resolved — Addressed
01/15/2025
Special inspection requirement — Lighting controls
01/13/2025
Objection raised — Admin
01/13/2025
Objection raised — Zoning
01/13/2025
Objection raised — Scope
01/13/2025
Objection raised — Zoning
01/13/2025
Objection raised — Other
12/30/2024
Filed — Alteration CO
Q01129224-I1
12/30/2024
Special inspection requirement — Metering
12/30/2024
Special inspection requirement — Tenant Protection Plan Compliance
12/30/2024
Special inspection requirement — Interior lighting power
12/23/2024
Special inspection requirement — Energy Code Compliance Inspections
12/23/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
12/23/2024
Special inspection requirement — Lighting in dwelling units
12/23/2024
Special inspection requirement — Fire-Resistance Rated Construction
06/20/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
07/05/2018
Violation issued (ECB, closed)
Construction
01/12/2018
Violation issued (ECB, closed)
Construction
12/02/2017
Violation issued (ECB, closed)
Construction
12/01/2017
Violation issued (ECB, closed)
Construction
09/28/2017
Violation issued (ECB, open)
Construction
02/24/2017
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/13/2011
Violation issued (ECB, closed)
Construction
04/07/2011
Violation issued (ECB, closed)
Unknown
03/07/2011
Violation issued (ECB, closed)
Unknown
12/17/2010
Violation issued (ECB, closed)
Unknown
10/28/2010
Violation issued (ECB, open)
Construction
08/27/2010
Violation issued (ECB, closed)
Unknown
08/17/2010
Violation issued (ECB, closed)
Unknown
04/24/2010
Violation issued (ECB, closed)
Unknown
11/04/2009
Violation issued (ECB, open)
Unknown
11/04/2009
Violation issued (ECB, open)
Unknown
07/06/2009
Violation issued (DOB, closed)
V-DOB VIOLATION - ACTIVE
06/20/2009
Violation issued (ECB, open)
Unknown
06/20/2009
Violation issued (ECB, open)
Construction
06/20/2009
Violation issued (ECB, open)
Construction
06/20/2009
Violation issued (ECB, closed)
Construction
06/18/2009
Violation issued (ECB, open)
Construction
Latest 60 of 79 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
BISEQISSUEDCSC of NY09/08/2009
BISEQISSUEDEva Construction07/29/2009
1 project · most recent 06/20/2025
FiledStatusContractorScope
06/20/2025———
1 project · most recent 08/18/2026
Gas
FiledStatusContractorScope
08/18/2026——Gas
1 project · most recent 02/27/2020
General Wiring
FiledStatusContractorScope
02/27/2020Permit IssuedWilldan Electrical of NYGeneral Wiring
▾Special Inspection Requirements (DOB NOW) — 15
DateRequirementInspectorRole
08/17/2026Energy Code Compliance InspectionsNARESH MAHANGUprogress
08/17/2026Tenant Protection Plan ComplianceNARESH MAHANGUspecial
08/17/2026Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
06/19/2025Tenant Protection Plan ComplianceNARESH MAHANGUspecial
06/19/2025Post-installed AnchorsNARESH MAHANGUspecial
06/19/2025Energy Code Compliance InspectionsNARESH MAHANGUprogress
06/19/2025Sprinkler SystemsNARESH MAHANGUspecial
01/15/2025Lighting controls—energy_progress
12/30/2024Metering—energy_progress
12/30/2024Tenant Protection Plan Compliance—special
12/30/2024Interior lighting power—energy_progress
12/23/2024Energy Code Compliance Inspections—progress
12/23/2024Fire-Resistant Penetrations and Joints—special
12/23/2024Lighting in dwelling units—energy_progress
12/23/2024Fire-Resistance Rated Construction—progress
▾Documents — 56 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/21/2026Q01129224-I1Request digital key ↗
08/19/2026Q01243806-I1Request digital key ↗
08/19/2026Q01416923-I1Request digital key ↗
▸Applications & Permits10
▸BISPLAN / WORK APPROVAL APPLICATION5
11/09/2010420038462Open ↗
08/05/2009420058662Open ↗
08/05/2009420059509Open ↗
Showing 3 of 5 on file for this type
▸BISWORK PERMIT APPLICATION3
09/22/2009420058662Open ↗
09/08/2009420059509Open ↗
07/29/2009420038462Open ↗
▸BISNon-Directive 14 Construction Sign Off Including Sign Applications2
02/23/2010420059509Open ↗
02/23/2010420058662Open ↗
▸Zoning, Tax Lot & Property Records1
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026Q01129224-I1Open ↗
▸Seals & Professional Certifications16
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION6
02/23/2010420059509Open ↗
02/23/2010420058662Open ↗
08/05/2009420058662Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/21/2026Q01129224-I1Open ↗
08/19/2026Q01243806-I1Open ↗
08/19/2026Q01416923-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature3
09/23/2026Q01243806-I1Open ↗
09/23/2026Q01243806-I1Open ↗
08/24/2026Q01416923-I1Open ↗
▸DOB NOWProgress Inspector Seal & Signature2
09/23/2026Q01243806-I1Open ↗
08/24/2026Q01416923-I1Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
06/24/2009420038462Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
06/24/2009420038462Open ↗
▸Trade Schedules & Equipment1
▸BISSCHEDULE B - PLUMBING1
04/23/2009420008397Open ↗
▸Safety & Tenant Protection3
▸BISSTREET TREE CHECKLIST2
06/25/2009420038462Open ↗
04/23/2009420008397Open ↗
▸DOB NOWStreet Tree Checklist1
08/13/2026Q01129224-I1Open ↗
▸Environmental & Asbestos6
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER3
08/05/2009420058662Open ↗
08/05/2009420059509Open ↗
06/24/2009420038462Open ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/21/2026Q01129224-I1Open ↗
08/19/2026Q01243806-I1Open ↗
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
04/23/2009420008397Open ↗
▸Approvals, Objections & Sign-offs8
▸BISADMINISTRATIVE OBJECTIONS4
08/05/2009420058662Open ↗
08/05/2009420059509Open ↗
06/24/2009420038462Open ↗
Showing 3 of 4 on file for this type
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST2
02/23/2010420059509Open ↗
02/23/2010420058662Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION1
02/23/2010420058662Open ↗
▸BISSCHEDULE A - OCCUPANCY / USE1
04/23/2009420008397Open ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT2
06/24/2009420038462Open ↗
04/23/2009420008397Open ↗
▸Filing & Intake Forms4
▸BISEFILING COVER SHEET4
08/05/2009420058662Open ↗
08/05/2009420059509Open ↗
06/24/2009420038462Open ↗
Showing 3 of 4 on file for this type
▸Other Documents2
▸BISPLOT DIAGRAM1
04/23/2009420008397Open ↗
▸DOB NOWProperty Ownership Certification1
08/21/2026Q01129224-I1Open ↗