Manhattan

23 West 51 St

Manhattan, NY 10019Company-ownedBBL 1012671001BIN 1034511

Updated Aug 1, 2026 · 16 sources

Floors28
ClassRK
Market Value$4.1M

23 WEST 51 ST is a property located at 23 WEST 51 ST, Manhattan, NY 10019. The building has 28 floors. The assessed market value is $4.1M. It last sold for $78.9M on Dec 8, 2023. Public records list the property as company-owned. There are 132 building permits on record (102 active). There are 19 violations on record (0 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

315records on file
23Energy Star

The lot at 23 West 51 St rises 28 stories over New York. It is carried on the public rolls at a market value of $4.1M, and assessed for tax at $1.8M. In the 32 years its record reaches back, the lot has drawn 315 separate government filings.

The documentary life of the address leans hard toward permit: 132 of its 315 records, fully 42%, fall under that one heading. Assignment (75) and release (20) trail well behind. No violations stand open against it today.

The pace is anything but even. Activity is spread across the decades, with 2005 the busiest year on file.

On the environmental ledger, the building posts an Energy Star score of 23, with a site energy-use intensity of 89.4 kBtu per square foot. Its operations answer for roughly 777 metric tons of CO2-equivalent a year.

Read together — 42% permit, 32 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.

$4.1M of New York, written across 315 government filings.

Property Details

Address23 WEST 51 ST, Manhattan, NY 10019
RK
Year BuiltN/A
Floors28
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
1012671001
1034511
OwnershipCompany-owned

Assessment & Sales

$4.1M
$1.8M
$182K
$78.9M
Last Sale DateDec 8, 2023

Building Permits

132 on record · 102 active
Construction EquipmentDOB Legacy
ISSUED
Filed May 21, 2018Job #140729521-01-02
Construction EquipmentDOB Legacy
ISSUED
Filed May 21, 2018Job #140729549-01-02
Construction EquipmentDOB Legacy
ISSUED
Filed Jan 29, 2018Job #140729549-01-01
Construction EquipmentDOB Legacy
ISSUED
Filed Jan 16, 2018Job #140729521-01-01
Construction EquipmentDOB Legacy
ISSUED
Filed Aug 30, 2017Job #123136819-01-01

+ 127 more permitsview full report

Violations

19 on record · none currently open
DOB LegacyElevator
DISMISSED
Issued Dec 13, 2011#1649017

VIOLATION ISSUED TO ELEVATOR-FAILURE TO FILE CATEGORY 1 2010 INSPECTION/TEST

View this violation's full details & status history →
DOB LegacyLocal Law 10/81
DISMISSED
Issued Mar 21, 2008#1315109
DOB LegacyLocal Law 11/98
DISMISSED
Issued Nov 30, 2007#1267806
DOB LegacyLocal Law 10/81
DISMISSED
Issued Apr 2, 2007#1219029
DOB LegacyE
DISMISSED
Issued Mar 21, 2007#1209410

+ 14 more violations on record — view full report

Get the Complete Report for 23 WEST 51 ST

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

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Frequently Asked Questions

Are there building permits at 23 WEST 51 ST, Manhattan?

Yes. 23 WEST 51 ST, Manhattan, NY 10019 has 132 building permits on record, with 102 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Construction Equipment (ISSUED) filed May 21, 2018.

Does 23 WEST 51 ST, Manhattan have violations?

Yes. 23 WEST 51 ST, Manhattan, NY 10019 has 19 violations on record, with 0 currently open. Breakdown: 17 DOB, 2 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 23 WEST 51 ST, Manhattan have docketed judgments?

No docketed OATH judgments were found in local records for 23 WEST 51 ST, Manhattan, NY 10019. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 23 WEST 51 ST?

23 WEST 51 ST, Manhattan, NY 10019 has an assessed market value of $4.1M and a total assessed value of $1.8M (land: $182K). Assessment data is from the NYC Department of Finance (DOF).

When was 23 WEST 51 ST last sold?

23 WEST 51 ST, Manhattan, NY 10019 last sold for $78.9M on Dec 8, 2023. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

Who owns 23 WEST 51 ST?

23 WEST 51 ST, Manhattan, NY 10019 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 23 WEST 51 ST?

Search 23 WEST 51 ST 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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23 WEST 51 ST, Manhattan, NY 10019 — Property Records, Permits, Violations, Tax & Zoning | RegWatch