NYC DOB record · M01182015-P1

309 Columbus Avenue

309 Columbus Avenue, Manhattan, NY 10023

Alteration filing in Upper West Side (Central), Manhattan. The latest DOB status is approved.

A plan examiner has approved the application. A permit still has to be issued before work can begin.

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Aug 29, 2026 · Verify the source row

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309 Columbus Avenue 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 M01182015-P1 as a alteration filing at 309 Columbus Avenue, Manhattan, NY 10023. Its latest published status category is Approved, dated Aug 25, 2026. The filing records 5 proposed stories and 23 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
Aug 25, 2026
Proposed scale
5 proposed stories and 23 proposed dwelling units
Complete building dossierView all 2 filings associated with BIN 1081018
FiledJul 29, 2026
Current recordApproved
Proposed scale5 stories
Recorded cost$479,550

What the filing says

A public-record reading of the proposed work.

Additional amended work: Replace front and rear parapet walls, recover associated roofing.

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 elevator apartment building built in 1900, with 23 homes, on a 10,217 sq ft lot.

Built
1900
Last altered
1982
Floors
6
Residential units
23
Building type
Elevator apartment building
Land use
Mixed residential and commercial
Zoning district
C1-8A
Lot area
10,217 sq ft
Building area
29,173 sq ft
Historic district
Upper West Side / Central Park West 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 M01182015-P1.

    01
  2. Application approved

    The application reached an approved status in the DOB record.

    02
  3. Current status updated

    The latest recorded filing status is “Approved.”

    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
M01182015-P1
BBL
1011270061
Review type
Standard Plan Examination
Existing stories
5
Proposed stories
5
Existing dwelling units
23
Proposed dwelling units
23
General construction