305 WEST END AVE, Manhattan, NY 10023 — Property Records, Permits, Violations, Tax & Zoning | RegWatch

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Year Built1920

Floors14

Units1

Building Area184,060 sqft

ZoningR10A

ClassH6

Market Value$78.9M

305 WEST END AVE is a property located at 305 WEST END AVE, Manhattan, NY 10023. It is classified as a hotel - apartment hotel. The building was constructed in 1920. It has 14 floors and 1 unit. The building area is 184,060 square feet on a 13,825 sqft lot. The property is zoned R10A. The assessed market value is $78.9M. It last sold for $145M on Dec 5, 2016. Public records list the property as company-owned. There are 384 building permits on record (232 active). There are 378 violations on record (108 currently open). 77 docketed judgments carrying $3,454 in open balances are on record with OATH. Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

1,673records on file

7Energy Star

Completed in 1920, 305 West End Ave rises 14 stories over New York. Public records put it at 1 unit and 184,060 square feet of floor area, on land zoned R10A. It is carried on the public rolls at a market value of $78.9M, and assessed for tax at $35.5M. In the 52 years its record reaches back, the lot has drawn 1,673 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward complaint: 512 of its 1,673 records, fully 31%, fall under that one heading. Permit (384) and violation (378) trail well behind. 108 violations stand open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2018.

On the environmental ledger, the building posts an Energy Star score of 7, with a site energy-use intensity of 55.6 kBtu per square foot. Its operations answer for roughly 1,110 metric tons of CO2-equivalent a year.

Read together — 31% complaint, 52 years of accumulation, a parcel of New York — these scattered records compose a portrait of the address that no single page sets out to draw.

$78.9M of New York, written across 1,673 government filings.

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Sources

NYC DOB NYC HPD NYC DOF ACRIS NYC DCP ECB/OATH NYC DEP NYC LPC NYC FDNY NYS DHCR MOCEJ FEMA EPA US Census HUD USGS

updated Aug 1, 2026

Property Details

Address305 WEST END AVE, Manhattan, NY 10023

Building TypeHotel - Apartment Hotel

Building ClassH6

Year Built1920

Floors14

Total Units1

Building Area184,060 sqft

Lot Size13,825 sqft

ZoningR10A

BBL1011840077

BIN1031008

OwnershipCompany-owned

Assessment & Sales

Market Value$78.9M

Assessed Total$35.5M

Assessed Land$3.8M

Last Sale Price$145M

Last Sale DateDec 5, 2016

Building Permits

384 on record · 232 active

ElevatorDOB NOW

PERMIT ENTIRE

Filed Feb 6, 2026Job #M01239911-I1

View this permit's full record & inspection history →

Alteration — Type 2DOB Legacy

SIGNED OFF

Filed Oct 28, 2025Est. cost $231KJob #123443862-01

View this permit's full record & inspection history →

ElectricalDOB NOW

PERMIT ISSUED

Filed Oct 22, 2025Job #M01307298-I1-EL

installation of 1V0989111 in conjunction with elevator application. AW 87

View this permit's full record & inspection history →

ElectricalDOB NOW

APPROVED

Filed Oct 22, 2025Job #M00162992-P1

alteration of elevators 1P11414, 1P11356 & 1P11357 in conjunction with elevator application. . AW-19

View this permit's full record & inspection history →

ElectricalDOB NOW

APPROVED

Filed Oct 22, 2025Job #M00162993-P1

Relocation of elevator controller for elevator device 1P11358 AW-20

View this permit's full record & inspection history →

+ 379 more permits — view full report

Violations

378 on record · 108 open

Open judgment balance — docketed OATH judgments$3,454

Judgments · 77 docketed

FDNY summons (OATH)JUDGMENT DOCKETED

Docketed Apr 30, 2026Ticket #012173093R

FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS

FDNY summons (OATH)JUDGMENT DOCKETED

Docketed Sep 30, 2025Ticket #012163986P

FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS

FDNY summons (OATH)JUDGMENT DOCKETED

Docketed Nov 30, 2025Ticket #012162865Y

FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS

FDNY summons (OATH)JUDGMENT DOCKETED

Docketed May 31, 2025Balance $1,721Ticket #012159891K

FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS

FDNY summons (OATH)JUDGMENT DOCKETED

Docketed Sep 30, 2025Ticket #012159573P

FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS

+ 72 more docketed judgments — view full report

HPDClass A

NOV SENT OUT

Issued Jun 28, 2026#19037881

§ 27-2053 ADM CODE POST SIGN ON WALL OF ENTRANCE STORY BEARING NAME, ADDRESS INCLUDING APARTMENT NUMBER IF ANY, AND TELEPHONE NUMBER OF SUPERINTENDENT, JANITOR OR HOUSEKEEPER. AT PUBLIC HALL, 1st STORY

View this violation's full details & status history →

HPDClass A

NOV SENT OUT

Issued Jun 28, 2026#19037878

§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORY

View this violation's full details & status history →

HPDClass A

NOV SENT OUT

Issued Jun 28, 2026#19037879

§27-2045(B)(5) HMC, § 12-06, 12-10 RCNY POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN PRIVATE DWELLINGS MISSING

View this violation's full details & status history →

HPDClass A

NOV SENT OUT

Issued Jun 28, 2026#19037880

§ 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING. AT PUBLIC HALL, 1st STORY

View this violation's full details & status history →

HPDClass A

NOV SENT OUT

Issued Jun 28, 2026#19037882

§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED AT PUBLIC HALL, 1st STORY

View this violation's full details & status history →

+ 373 more violations on record — view full report

Get the Complete Report for 305 WEST END AVE

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 305 WEST END AVE, Manhattan built?

The building at 305 WEST END AVE, Manhattan, NY 10023 was constructed in 1920. It is classified as a hotel - apartment hotel with 14 floors and 1 unit. The building area is 184,060 sqft.

Are there building permits at 305 WEST END AVE, Manhattan?

Yes. 305 WEST END AVE, Manhattan, NY 10023 has 384 building permits on record, with 232 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Elevator (PERMIT ENTIRE) filed Feb 6, 2026.

Does 305 WEST END AVE, Manhattan have violations?

Yes. 305 WEST END AVE, Manhattan, NY 10023 has 378 violations on record, with 108 currently open. Breakdown: 161 DOB, 99 ECB, 118 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 305 WEST END AVE, Manhattan have docketed judgments?

Yes. 305 WEST END AVE, Manhattan, NY 10023 has 77 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $3,454. A docketed judgment is an enforceable money judgment entered by OATH after a hearing on a summons issued at this property; where the respondent is the property owner it can attach to the property as a lien.

What is the property tax assessment for 305 WEST END AVE?

305 WEST END AVE, Manhattan, NY 10023 has an assessed market value of $78.9M and a total assessed value of $35.5M (land: $3.8M). Assessment data is from the NYC Department of Finance (DOF).

When was 305 WEST END AVE last sold?

305 WEST END AVE, Manhattan, NY 10023 last sold for $145M on Dec 5, 2016. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 305 WEST END AVE?

305 WEST END AVE, Manhattan, NY 10023 is zoned R10A. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 305 WEST END AVE?

305 WEST END AVE, Manhattan, NY 10023 is company-owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 305 WEST END AVE?

Search 305 WEST END AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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305 WEST END AVE, Manhattan, NY 10023 — Property Records, Permits, Violations, Tax & Zoning | RegWatch