NYC DOB record · M01434350-S3

400 Madison Avenue

400 Madison Avenue, Manhattan, NY 10017

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. What every status means

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 25, 2026 · Verify the source row

Open full map
newyorkdailyStreet Futures

NYC DOB RECORD · M01434350-S3

400 Madison Avenue

Manhattan, NY 10017

Alteration filing · status dated Sep 22, 2026

Current record
Approved
Proposed scale
Not stated
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 M01434350-S3 as a alteration filing at 400 Madison Avenue, Manhattan, NY 10017. Its latest published status category is Approved, dated Sep 22, 2026. The published record does not state proposed stories or 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
Sep 22, 2026
Proposed scale
Not stated in this filing
The building, not the filingopen housing violations, what it sold for, the owner of record and every filing at BIN 1035420Applicant of recordSee the 77 filings that name Rosini Engineering, PC
FiledSep 21, 2026
Current recordApproved
Proposed scaleNot specified
Recorded cost$12,230

What the filing says

A public-record reading of the proposed work.

Modification of sprinkler system for tenant space as shown on plans

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 3, 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 3, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01434350-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

For scale: half of DOB filings are permitted within 21 days of being filed and a quarter take longer than 4 months, measured across 74,561 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
M01434350-S3
BBL
1012830017
Review type
Professional Certification
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
0
Proposed dwelling units
0