NYC DOB record · M01448319-I1

27 West 23 Street

27 West 23 Street, Manhattan, NY 10010

Alteration filing in Midtown South-Flatiron-Union Square, 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 2, 2026 · Verify the source row

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27 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 M01448319-I1 as a alteration filing at 27 West 23 Street, Manhattan, NY 10010. Its latest published status category is Approved, dated Aug 28, 2026. The filing records 6 proposed stories.

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
Aug 28, 2026
Proposed scale
6 proposed stories
FiledAug 27, 2026
Current recordApproved
Proposed scale6 stories
Recorded cost$5,000

What the filing says

A public-record reading of the proposed work.

Temporary scenic elements and platform for event in conjunction with temporary place of assembly (DOB#m01448309-i1). no change to use, egress or occupancy. no change to use, egress, or occupancy

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 6-story educational building built in 1881, on a 16,650 sq ft lot.

Built
1881
Floors
6
Residential units
0
Building type
Educational building
Land use
Public facilities and institutions
Zoning district
M1-8A/R11
Lot area
16,650 sq ft
Building area
101,600 sq ft
Historic district
Ladies' Mile Historic District

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 2, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01448319-I1.

    01
  2. Application approved

    The application reached an approved status in the DOB record.

    02
  3. First permit date recorded

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

    03
  4. Current status updated

    The latest recorded filing status is “Permit Entire.”

    04

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
M01448319-I1
BIN
1015580
BBL
1008250024
Review type
Professional Certification
Existing stories
6
Proposed stories
6
Existing dwelling units
0
Proposed dwelling units
0
General construction