NYC DOB record · M01140247-S1

400 Madison Avenue

400 Madison Avenue, Manhattan, NY 10017

Alteration filing in Midtown-Times Square, Manhattan. The latest DOB status is pending prof cert qa assignment.

The filing is waiting to be picked up for a professional-certification audit. What every status means

Under reviewAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Oct 27, 2026 · Verify the source row

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NYC DOB RECORD · M01140247-S1

400 Madison Avenue

Manhattan, NY 10017

Alteration filing · status dated Oct 23, 2026

Current record
Under review
Proposed scale
21 stories
Dwelling units
Not stated
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 M01140247-S1 as a alteration filing at 400 Madison Avenue, Manhattan, NY 10017. Its latest published status category is Under review, dated Oct 23, 2026. The filing records 21 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
Under review
Latest status date
Oct 23, 2026
Proposed scale
21 proposed stories
The building, not the filingopen housing violations, what it sold for, the owner of record and every filing at BIN 1035420Applicant of recordSee the 11 filings that name Hoffmann Architects + Engineers
FiledOct 23, 2026
Current recordUnder review
Proposed scale21 stories
Recorded cost$25,000

What the filing says

A public-record reading of the proposed work.

Propose to file for structural work for lintel replacement. No change in 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 20-story office building built in 1929, on a 8,987 sq ft lot.

Built
1929
Last altered
1985
Floors
20
Residential units
0
Building type
Office building
Land use
Commercial and office
Zoning district
C5-3
Lot area
8,987 sq ft
Building area
146,191 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Oct 27, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

The Department of Buildings has 7 open notices on record for this building, out of 83 notices on file; the most recent was issued Feb 20, 2024.

  • Hazardous condition (facade)

    Issued Feb 20, 2024 — CYCLE 9C UNSAFE REPORT FILED

  • Low pressure boiler

    Issued Jun 30, 2023 — VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION

  • Elevator

    Issued Jan 10, 2006

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

Open means the agency has not recorded a resolution, which is not the same as the problem still existing. What a violation is, and what it is not. From NYC Department of Buildings, DOB Violations (3h2n-5cm9), accessed Oct 27, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01140247-S1.

    01
  2. Current status updated

    The latest recorded filing status is “Pending Prof Cert QA Assignment.”

    02

For scale: half of DOB filings are permitted within 22 days of being filed and a quarter take longer than 4 months, measured across 87,269 filings that carry both dates. How long a permit takes, by work type and borough

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
M01140247-S1
BBL
1012830017
Review type
Professional Certification
Existing stories
21
Proposed stories
21
Existing dwelling units
0
Proposed dwelling units
0
Structural work