NYC DOB record · M01442231-S1

441 9 Avenue

441 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 Sep 2, 2026 · Verify the source row

Open full map
441 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 M01442231-S1 as a alteration filing at 441 9 Avenue, Manhattan, NY 10001. Its latest published status category is Approved, dated Aug 31, 2026. The filing records 26 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 31, 2026
Proposed scale
26 proposed stories
Complete building dossierView all 3 filings associated with BIN 1012860Applicant of recordSee the 48 filings that name Robert Derector Associates
FiledAug 27, 2026
Current recordApproved
Proposed scale26 stories
Recorded cost$47,800

What the filing says

A public-record reading of the proposed work.

Removal and installation of ductwork, diffusers, fans, and related mechanical piping as per plans. no change in use, occupancy or egress

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 26-story condominium built in 1962, on a 39,779 sq ft lot.

Built
1962
Last altered
2015
Floors
26
Residential units
0
Building type
Condominium
Land use
Commercial and office
Zoning district
C6-4
Lot area
39,779 sq ft
Building area
512,974 sq ft

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.

Violation record

Are there open violations here?

The Department of Buildings has 12 open notices on record for this building, out of 136 notices on file; the most recent was issued Jun 23, 2024.

  • Failure to submit

    Issued Jun 23, 2024 — FAILURE TO SUBMIT AN EER PER AD. CODE SEC. 28-308.4 - MULTIPLE YEARS (2023)

  • Elevator

    Issued Dec 14, 2005

  • Elevator

    Issued Dec 14, 2005

  • 9 further open notices are on file. Open the source dataset for the full list.

A violation is a notice the Department of Buildings recorded against the building. It is not a judgment, and many concern paperwork rather than safety. Open means the agency has not recorded a resolution, which is not the same as the problem still existing. From NYC Department of Buildings, DOB Violations (3h2n-5cm9), accessed Sep 2, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01442231-S1.

    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
M01442231-S1
BBL
1007327501
Review type
Professional Certification
Existing stories
26
Proposed stories
26
Existing dwelling units
0
Proposed dwelling units
0