NYC DOB record · M01310346-S3

35 East 21 Street

35 East 21 Street, Manhattan, NY 10010

Alteration filing in Midtown South-Flatiron-Union Square, 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.

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 12, 2026 · Verify the source row

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NYC DOB RECORD · M01310346-S3

35 East 21 Street

Manhattan, NY 10010

Alteration filing · status dated Sep 8, 2026

Current record
Approved
Proposed scale
10 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 M01310346-S3 as a alteration filing at 35 East 21 Street, Manhattan, NY 10010. Its latest published status category is Approved, dated Sep 8, 2026. The filing records 10 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 8, 2026
Proposed scale
10 proposed stories
Applicant of recordSee the 6 filings that name Mps Engineering PLLC
FiledFeb 11, 2026
Current recordApproved
Proposed scale10 stories
Recorded cost$9,200

What the filing says

A public-record reading of the proposed work.

Proposed: modification to the existing sprinkler system to include installation of 23 new sprinkler heads. No change of 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 10-story office building built in 1903, on a 9,890 sq ft lot.

Built
1903
Last altered
1986
Floors
10
Residential units
0
Building type
Office building
Land use
Commercial and office
Zoning district
M1-5M
Lot area
9,890 sq ft
Building area
100,000 sq ft
Historic district
Ladies' Mile Historic District

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 12, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01310346-S3.

    01
  2. Application approved

    The application reached an approved status in the DOB record.

    02
  3. First permit date recorded

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

    03
  4. Current status updated

    The latest recorded filing status is “Permit Entire.”

    04

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
M01310346-S3
BIN
1080768
BBL
1008500025
Review type
Professional Certification
Existing stories
10
Proposed stories
10
Existing dwelling units
0
Proposed dwelling units
0