NYC DOB record · M01439436-S1

136 West 21 Street

136 West 21 Street, Manhattan, NY 10011

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

DOB has issued the permit covering the full scope of this filing, so the work is cleared to proceed. What every status means

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Oct 2, 2026 · Verify the source row

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NYC DOB RECORD · M01439436-S1

136 West 21 Street

Manhattan, NY 10011

Alteration filing · status dated Sep 29, 2026

Current record
Approved
Proposed scale
12 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 M01439436-S1 as a alteration filing at 136 West 21 Street, Manhattan, NY 10011. Its latest published status category is Approved, dated Sep 29, 2026. The filing records 12 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
Sep 29, 2026
Proposed scale
12 proposed stories
Applicant of recordSee the 112 filings that name Kma Designs LLC
FiledSep 29, 2026
Current recordApproved
Proposed scale12 stories
Recorded cost$8,900

What the filing says

A public-record reading of the proposed work.

Installation of heavy duty sidewalk shed. no change in use, occupancy or egress. all work to comply with chapter 33 of nycbc

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 12-story educational building built in 1910, on a 6,348 sq ft lot.

Built
1910
Floors
12
Residential units
0
Building type
Educational building
Land use
Public facilities and institutions
Zoning district
C6-3A
Lot area
6,348 sq ft
Building area
77,437 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Oct 2, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01439436-S1.

    01
  2. First permit date recorded

    DOB lists a first permit date. This does not by itself confirm current construction activity.

    02
  3. Current status updated

    The latest recorded filing status is “Permit Entire.”

    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 76,126 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
M01439436-S1
BIN
1014758
BBL
1007960060
Review type
Professional Certification
Existing stories
12
Proposed stories
12
Existing dwelling units
0
Proposed dwelling units
0
Sidewalk shed