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NYC DOB record · M01100366-S2

31 Union Square West

31 Union Square West, Manhattan, NY 10003

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 1, 2026 · Verify the source row

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31 Union Square West 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 M01100366-S2 as a alteration filing at 31 Union Square West, Manhattan, NY 10003. Its latest published status category is Recorded as completed, dated Aug 27, 2026. The filing records 16 proposed stories and 71 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
Recorded as completed
Latest status date
Aug 27, 2026
Proposed scale
16 proposed stories and 71 proposed dwelling units
FiledOct 16, 2024
Current recordRecorded as completed
Proposed scale16 stories
Recorded cost$104,000

What the filing says

A public-record reading of the proposed work.

New interior & exterior renovations with associated demolition to an existing commercial retail structure. concrete on metal pan stairs,structural support for new fixturesand mechanical equipment. new exterior ramp filed under separate 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 16-story elevator apartment building built in 1902, with 82 homes, on a 7,175 sq ft lot.

Built
1902
Floors
16
Residential units
82
Building type
Elevator apartment building
Land use
Mixed residential and commercial
Zoning district
C6-2A
Lot area
7,175 sq ft
Building area
138,800 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 1, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01100366-S2.

    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
M01100366-S2
BIN
1078701
BBL
1008440017
Review type
Standard Plan Examination
Existing stories
16
Proposed stories
16
Existing dwelling units
71
Proposed dwelling units
71
Structural work

Nearby records

Other verified filings in this part of the city.