NYC DOB record · M01356436-S1

28 West 23 Street

28 West 23 Street, Manhattan, NY 10010

Alteration filing in Midtown South-Flatiron-Union Square, Manhattan. The latest DOB status is loc issued.

DOB has issued a Letter of Completion, which records that the work in this filing is finished.

Recorded as completedAlteration filing

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

Open full map
28 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 M01356436-S1 as a alteration filing at 28 West 23 Street, Manhattan, NY 10010. Its latest published status category is Recorded as completed, dated Sep 2, 2026. The filing records 12 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
Recorded as completed
Latest status date
Sep 2, 2026
Proposed scale
12 proposed stories
Complete building dossierView all 2 filings associated with BIN 1080672Applicant of recordSee the 60 filings that name Ama Consulting Engineers, PC
FiledMar 20, 2026
Current recordRecorded as completed
Proposed scale12 stories
Recorded cost$25,000

What the filing says

A public-record reading of the proposed work.

Mechanical work as shown on plans filed herewith.

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 12-story office building built in 1911, on a 55,960 sq ft lot.

Built
1911
Last altered
1982
Floors
12
Residential units
0
Building type
Office building
Land use
Commercial and office
Zoning district
C6-4M
Lot area
55,960 sq ft
Building area
439,330 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 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 M01356436-S1.

    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 “LOC Issued.”

    04
  5. Sign-off date recorded

    DOB lists a sign-off date for this filing.

    05

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
M01356436-S1
BBL
1008240028
Review type
Professional Certification
Existing stories
12
Proposed stories
12
Existing dwelling units
0
Proposed dwelling units
0