NYC DOB record · M01404391-S2

477 Madison Avenue

477 Madison Avenue, Manhattan, NY 10022

Alteration filing in Midtown-Times Square, 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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477 Madison 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 M01404391-S2 as a alteration filing at 477 Madison Avenue, Manhattan, NY 10022. Its latest published status category is Approved, dated Aug 26, 2026. The filing records 23 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 26, 2026
Proposed scale
23 proposed stories
Complete building dossierView all 4 filings associated with BIN 1035471
FiledAug 24, 2026
Current recordApproved
Proposed scale23 stories
Recorded cost$15,000

What the filing says

A public-record reading of the proposed work.

Replace the existing special service fire pump (sprinkler only) controller on the roof with a new controller that is equipped with an integral ats (automatic transfer switch) for emergency power connection. no change to use, egress or occupancy.

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 23-story office building built in 1954, on a 15,062 sq ft lot.

Built
1954
Last altered
2019
Floors
23
Residential units
0
Building type
Office building
Land use
Commercial and office
Zoning district
C5-3
Lot area
15,062 sq ft
Building area
262,287 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 M01404391-S2.

    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
M01404391-S2
BBL
1012870021
Review type
Professional Certification
Existing stories
23
Proposed stories
23
Existing dwelling units
0
Proposed dwelling units
0