NYC DOB record · M01427490-S3

401 9 Avenue

401 9 Avenue, Manhattan, NY 10001

Alteration filing in Chelsea-Hudson Yards, 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

Open full map
401 9 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 M01427490-S3 as a alteration filing at 401 9 Avenue, Manhattan, NY 10001. Its latest published status category is Approved, dated Aug 25, 2026. The filing records 69 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 25, 2026
Proposed scale
69 proposed stories
Complete building dossierView all 2 filings associated with BIN 1089972
FiledAug 25, 2026
Current recordApproved
Proposed scale69 stories
Recorded cost$15,000

What the filing says

A public-record reading of the proposed work.

Sprinkler 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 69-story condominium built in 2015, on a 65,034 sq ft lot.

Built
2015
Floors
69
Residential units
0
Building type
Condominium
Land use
Commercial and office
Zoning district
C6-4
Lot area
65,034 sq ft
Building area
1,976,539 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 M01427490-S3.

    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.

DOB filing number
M01427490-S3
BBL
1007297504
Review type
Professional Certification
Existing stories
69
Proposed stories
69
Existing dwelling units
0
Proposed dwelling units
0