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Four families
418 WEST 51 STREET
MANHATTAN · BIN 1026696
💬 Discuss this project
1910Year Built
4Stories
C3Building Class
R8Zoning
5,140 sfGross Floor Area
4Units
Rent Stabilized4 Open Violations 3 unresolved · 1 paperwork only ▸
Four families · Owner of record: 418W51 LLC · 2,510 sf lot · 2.05 FAR built · Flood zone X
Locations of Work
Architecture
Floor 44p · 2 filings · 20 docs
Floor 3
Floor 21p · 1 filing · 18 docs
Floor 1
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
418W513307/08/2026
J G CONSTRUCTION SRVCS703/22/2026
PARTNERSHIP103/21/2026
HUAN DESIGN INC103/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/13/2022$4.8M—— → —$934/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
LAM & LAM ENGINEERING D.P.C.104/15/2025
MOHAMMAD AHEAD, PE106/05/2023
HUAN DESIGN INC.705/14/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
ARSENAL BUILDING CONSULTANTS LLC203/21/2026
418W51203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
J & G CONSTRUCTION SVCSGeneral Contractor603/21/2026
KLE CONSTRUCTION INCGeneral Contractor107/08/2026
LINCO USA INCGeneral Contractor104/09/2026
SPLEN CONSTRUCTION INCGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
LAM&LAM DESIGNS DPC3563104/15/2025
HUAN DESIGN INC7669405/14/2023
Building Lifecycle
All (81)Filed (9)Permit Issued (5)Signed Off (4)Violation (28)Inspection (1)Objection (4)Special Inspection (30)
12/09/2025
Signed off — Alteration
. REMOVE ILLEGAL DOORS AND HARDWARE ON 2ND. FLOOR, 3RD. FLOOR, 4TH FLOOR. IN ORDER TO CURE VIOLATION: #35684449H, NO CHANGE IN USE, OCCUPANCY & EGRESS.
M01208436-I1
11/18/2025
Inspection — Pass-Final General Construction Non-Directive 14
Pass
View inspection ↗
11/17/2025
Violation issued (HPD, closed)
I
10/20/2025
Permit issued — General Construction
M01208436-I1-GC
10/08/2025
Violation issued (ECB, open)
Construction
06/13/2025
Objection resolved — Addressed
06/13/2025
Objection resolved — Addressed
06/04/2025
Violation issued (HPD, closed)
A
05/13/2025
Objection raised — Scope
05/13/2025
Objection raised — Structural
04/15/2025
Filed — Alteration
. REMOVE ILLEGAL DOORS AND HARDWARE ON 2ND. FLOOR, 3RD. FLOOR, 4TH FLOOR. IN ORDER TO CURE VIOLATION: #35684449H, NO CHANGE IN USE, OCCUPANCY & EGRESS.
M01208436-I1
04/09/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Benjamin Lam
04/09/2025
Special inspection requirement — Energy Code Compliance Inspections
Benjamin Lam
01/17/2025
Violation issued (ECB, closed)
Quality of Life
01/17/2025
Violation issued (ECB, closed)
Construction
01/17/2025
Violation issued (ECB, closed)
Quality of Life
01/17/2025
Violation issued (ECB, closed)
Quality of Life
01/17/2025
Violation issued (ECB, closed)
Quality of Life
01/17/2025
Violation issued (ECB, closed)
Quality of Life
01/10/2025
Violation issued (ECB, closed)
Quality of Life
01/10/2025
Violation issued (ECB, closed)
Construction
01/10/2025
Violation issued (ECB, closed)
Construction
01/10/2025
Violation issued (ECB, closed)
Construction
01/10/2025
Violation issued (ECB, closed)
Quality of Life
01/10/2025
Violation issued (ECB, closed)
Quality of Life
04/01/2024
Violation issued (HPD, closed)
A
11/06/2023
Signed off — Alteration
INSTALLATION OF HEAVY DUTY SIDEWALK SHED AND PIPE SCAFFOLDING. NO CHANGE IN USE, OCCUPANCY OR EGRESS. WORK SHALL COMPLY WITH CHAPTER 33 OF NYCC.
M00883712-I1
06/05/2023
Filed — Alteration
INSTALLATION OF HEAVY DUTY SIDEWALK SHED AND PIPE SCAFFOLDING. NO CHANGE IN USE, OCCUPANCY OR EGRESS. WORK SHALL COMPLY WITH CHAPTER 33 OF NYCC.
M00883712-I1
06/05/2023
Permit issued — Supported Scaffold
M00883712-I1-SH
06/05/2023
Permit issued — Supported Scaffold
M00883712-I1-SF
05/25/2023
Signed off — Alteration
REPLACE PLUMBING FIXTURES FOR THE EXISTING FOUR-FAMILY HOUSE.
M08010406-I1
05/25/2023
Signed off — Alteration
INTERIOR RENOVATION OF THE EXISTING FOUR-FAMILY HOUSE. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M08010242-I1
05/15/2023
Special inspection requirement — Final
ZHENHUAN XU
05/15/2023
Special inspection requirement — Energy Code Compliance Inspections
ZHENHUAN XU
05/15/2023
Special inspection requirement — Lighting in dwelling units
ZHENHUAN XU
05/15/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
ZHENHUAN XU
05/15/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
ZHENHUAN XU
05/15/2023
Special inspection requirement — Air barrier - visual inspection
ZHENHUAN XU
05/15/2023
Special inspection requirement — Fenestration air leakage
ZHENHUAN XU
05/15/2023
Special inspection requirement — Fenestration areas
ZHENHUAN XU
05/15/2023
Special inspection requirement — Fire-Resistance Rated Construction
ZHENHUAN XU
05/14/2023
Filed — Alteration
REPLACE PLUMBING FIXTURES FOR THE EXISTING FOUR-FAMILY HOUSE.
M08010406-P2
05/14/2023
Filed — Alteration
INTERIOR RENOVATION OF THE EXISTING FOUR-FAMILY HOUSE. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M08010242-P2
05/14/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
ZHENHUAN XU
05/14/2023
Special inspection requirement — Energy Code Compliance Inspections
ZHENHUAN XU
05/14/2023
Special inspection requirement — Final
ZHENHUAN XU
05/14/2023
Special inspection requirement — Fire-Resistance Rated Construction
ZHENHUAN XU
05/14/2023
Special inspection requirement — Fenestration air leakage
ZHENHUAN XU
05/14/2023
Special inspection requirement — Air barrier - visual inspection
ZHENHUAN XU
05/14/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
ZHENHUAN XU
05/14/2023
Special inspection requirement — Fenestration areas
ZHENHUAN XU
05/14/2023
Special inspection requirement — Lighting in dwelling units
ZHENHUAN XU
03/30/2023
Permit issued — General Construction
M08010242-I1-GC
03/16/2023
Violation issued (HPD, closed)
A
02/08/2023
Filed — Alteration
Exterior renovation of existing building. No major change in egress, no change in use, or occupancy.
M00824783-I1
02/08/2023
Special inspection requirement — Energy Code Compliance Inspections
02/08/2023
Special inspection requirement — Fire-Resistance Rated Construction
02/06/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
ZHENHUAN XU
02/06/2023
Special inspection requirement — Final
ZHENHUAN XU
12/07/2022
Filed — Alteration
INTERIOR RENOVATION OF THE EXISTING FOUR-FAMILY HOUSE. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M08010242-P1
Latest 60 of 81 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offLINCO USA INC10/20/2025
DOB NOWSupported ScaffoldSigned-offJ & G CONSTRUCTION SVCS06/05/2023
DOB NOWSupported ScaffoldSigned-offJ & G CONSTRUCTION SVCS06/05/2023
DOB NOWGeneral ConstructionSigned-offKLE CONSTRUCTION INC03/30/2023
DOB NOWGeneral ConstructionSigned-offSPLEN CONSTRUCTION INC10/07/2022
2 projects · most recent 08/25/2023
General Wiring
FiledStatusContractorScope
08/25/2023CompleteKJK ELECTRIC INCGeneral Wiring
06/01/2023CompleteRICHARD NEU—
▾Field Inspections (DOB CAP) — 1
DateTypeResultReport
11/18/2025Pass-Final General Construction Non-Directive 14PassView ↗
▾Special Inspection Requirements (DOB NOW) — 33
DateRequirementInspectorRole
04/09/2025Fire-Resistant Penetrations and JointsBenjamin Lamspecial
04/09/2025Energy Code Compliance InspectionsBenjamin Lamprogress
05/15/2023FinalZHENHUAN XUprogress
05/15/2023Energy Code Compliance InspectionsZHENHUAN XUprogress
05/15/2023Lighting in dwelling unitsZHENHUAN XUenergy_progress
05/15/2023Fire-Resistant Penetrations and JointsZHENHUAN XUspecial
05/15/2023Fenestration and door U-factor and product ratingsZHENHUAN XUenergy_progress
05/15/2023Air barrier - visual inspectionZHENHUAN XUenergy_progress
05/15/2023Fenestration air leakageZHENHUAN XUenergy_progress
05/15/2023Fenestration areasZHENHUAN XUenergy_progress
05/15/2023Fire-Resistance Rated ConstructionZHENHUAN XUprogress
05/14/2023Fire-Resistant Penetrations and JointsZHENHUAN XUspecial
05/14/2023Energy Code Compliance InspectionsZHENHUAN XUprogress
05/14/2023FinalZHENHUAN XUprogress
05/14/2023Fire-Resistance Rated ConstructionZHENHUAN XUprogress
05/14/2023Fenestration air leakageZHENHUAN XUenergy_progress
05/14/2023Air barrier - visual inspectionZHENHUAN XUenergy_progress
05/14/2023Fenestration and door U-factor and product ratingsZHENHUAN XUenergy_progress
05/14/2023Fenestration areasZHENHUAN XUenergy_progress
05/14/2023Lighting in dwelling unitsZHENHUAN XUenergy_progress
02/08/2023Energy Code Compliance Inspections—progress
02/08/2023Fire-Resistance Rated Construction—progress
02/06/2023Fire-Resistant Penetrations and JointsZHENHUAN XUspecial
02/06/2023FinalZHENHUAN XUprogress
12/07/2022Air barrier - visual inspectionZHENHUAN XUenergy_progress
Latest 25 of 33.
▾Documents — 51 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
09/01/2026M08010242-P1Request digital key ↗
09/01/2026M08010242-I1Request digital key ↗
09/01/2026M08010242-P2Request digital key ↗
Showing 3 of 9 on file for this type
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
12/23/2015122617775Open ↗
▸DOB NOWHPD Certification Letter or CPC Special Permit1
08/13/2026M01208436-I1Open ↗
▸Seals & Professional Certifications23
▸DOB NOWDPL-1: Design Professional Seal & Signature9
09/01/2026M08010242-P1Open ↗
09/01/2026M08010242-I1Open ↗
08/31/2026M08010406-I1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWProgress Inspector Seal & Signature8
08/27/2026M08010242-P1Open ↗
08/27/2026M08010242-P1Open ↗
08/26/2026M08010242-I1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
08/27/2026M08010242-P1Open ↗
08/26/2026M08010242-I1Open ↗
08/26/2026M00824783-I1Open ↗
Showing 3 of 5 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1
12/23/2015122617775Open ↗
▸Safety & Tenant Protection10
▸DOB NOWHPD-2: Clinton Special District Anti-Harassment Checklist9
09/01/2026M08010242-I1Open ↗
09/01/2026M08010242-P1Open ↗
08/31/2026M08010406-I1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWCertificate of No Harassment1
08/13/2026M01208436-I1Open ↗
▸Environmental & Asbestos1
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
12/23/2015122617775Open ↗
▸Energy Compliance1
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
12/23/2015122617775Open ↗
▸Approvals, Objections & Sign-offs1
▸BISSCHEDULE A - OCCUPANCY / USE1
12/23/2015122617775Open ↗
▸Cost, Insurance & Ownership1
▸BISCOST AFFIDAVIT1
12/23/2015122617775Open ↗
▸Filing & Intake Forms1
▸BISEFILING COVER SHEET1
12/23/2015122617775Open ↗
▸Other Documents2
▸BISPLOT DIAGRAM1
12/23/2015122617775Open ↗
▸DOB NOWWaiver Document1
08/13/2026M01208436-I1Open ↗