NYC DOB record · M01320409-P2

408 West 21 Street

408 West 21 Street, Manhattan, NY 10011

Alteration filing in Chelsea-Hudson Yards, Manhattan. The latest DOB status is objections.

The examiner raised objections. The applicant has to resolve them before the filing can be approved. What every status means

Under reviewAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 20, 2026 · Verify the source row

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NYC DOB RECORD · M01320409-P2

408 West 21 Street

Manhattan, NY 10011

Alteration filing · status dated Sep 17, 2026

Current record
Under review
Proposed scale
4 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 M01320409-P2 as a alteration filing at 408 West 21 Street, Manhattan, NY 10011. Its latest published status category is Under review, dated Sep 17, 2026. The filing records 4 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
Sep 17, 2026
Proposed scale
4 proposed stories
The building, not the filingopen housing violations, what it sold for, apartment sizes and every filing at BIN 1083573Applicant of recordSee the 86 filings that name Silman
FiledAug 28, 2026
Current recordUnder review
Proposed scale4 stories
Recorded cost$882,000

What the filing says

A public-record reading of the proposed work.

Sherred hall - modifying the existing wood roof trusses to support proposed mechanical equipment. additional work includes wood framing, steel framing and lintels, and slab on metal deck

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 6-story educational building built in 1931, on a 77,773 sq ft lot.

Built
1931
Floors
6
Residential units
0
Building type
Educational building
Land use
Public facilities and institutions
Zoning district
R7B
Lot area
77,773 sq ft
Building area
133,885 sq ft
Historic district
Chelsea Historic District

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 20, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

The Department of Buildings has 35 open notices on record for this building, out of 98 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)

  • Failure to

    Issued May 2, 2023 — FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4

  • Failure to submit

    Issued Apr 22, 2023 — FAILURE TO SUBMIT AN EER PER AD. CODE SEC. 28-308.4 - MULTIPLE YEARS (2022)

  • 32 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 Sep 21, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01320409-P2.

    01
  2. Current status updated

    The latest recorded filing status is “Objections.”

    02

For scale: half of DOB filings are permitted within 20 days of being filed and a quarter take longer than 4 months, measured across 66,747 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
M01320409-P2
BBL
1007180001
Review type
Standard Plan Examination
Existing stories
4
Proposed stories
4
Existing dwelling units
0
Proposed dwelling units
0
Structural work