NYC DOB record · M01411317-I1

454 West 23 Street

454 West 23 Street, Manhattan, NY 10011

Alteration filing in Chelsea-Hudson Yards, Manhattan. The latest DOB status is permit entire.

DOB has issued the permit covering the full scope of this filing, so the work is cleared to proceed.

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 5, 2026 · Verify the source row

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454 West 23 Street record graphic showing the DOB filing status and stated proposal scale
Filing data portrait

A page-specific reading of the filing status, location and stated scale. Values are drawn from the cited DOB record.

Address record at a glance

What is filed at this address?

NYC DOB lists filing M01411317-I1 as a alteration filing at 454 West 23 Street, Manhattan, NY 10011. Its latest published status category is Approved, dated Sep 2, 2026. The filing records 5 proposed stories and 10 proposed dwelling units.

A filing or approval does not by itself confirm that work is underway. Proposed details may change in later DOB records.
Filing type
Alteration filing
Latest status
Approved
Latest status date
Sep 2, 2026
Proposed scale
5 proposed stories and 10 proposed dwelling units
Applicant of recordSee the 74 filings that name Mchenery Testing Lab
FiledJun 3, 2026
Current recordApproved
Proposed scale5 stories
Recorded cost$8,000

What the filing says

A public-record reading of the proposed work.

Proposed installation of heavy duty sidewalk shed as per plans. live load 300 lbs per square feet. sidewalk shed shall comply with chapter #33 of the NYC building code. no change in use, occupancy, or egress under this application.

Street Futures classifies this record as a alteration filing based on the filing type and work flags published by the Department of Buildings. This classification helps organize the map; it does not add scope that is absent from the DOB record.

The lot this filing sits on

What is already here?

The lot holds a 5-story walk-up apartment building built in 1857, with 10 homes, on a 2,172 sq ft lot.

Built
1857
Floors
5
Residential units
10
Building type
Walk-up apartment building
Land use
Walk-up apartments
Zoning district
R7B
Lot area
2,172 sq ft
Building area
6,349 sq ft
Historic district
Chelsea Historic District Extension

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 5, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01411317-I1.

    01
  2. First permit date recorded

    DOB lists a first permit date. This does not by itself confirm current construction activity.

    02
  3. Current status updated

    The latest recorded filing status is “Permit Entire.”

    03

Scope and identifiers

The details used to match this filing.

Where a field reads “empty in the source”, the city published this filing without that value. It is not an omission on our side, and nothing here is inferred to fill a gap.

DOB filing number
M01411317-I1
BIN
1012713
BBL
1007200074
Review type
Professional Certification
Existing stories
5
Proposed stories
5
Existing dwelling units
10
Proposed dwelling units
10