NYC DOB record · M01065410-I1

509 West 48 Street

509 West 48 Street, Manhattan, NY 10036

Alteration filing in Hell's Kitchen, 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 5, 2026 · Verify the source row

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509 West 48 Street record graphic showing the DOB filing status and stated proposal scale
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 M01065410-I1 as a alteration filing at 509 West 48 Street, Manhattan, NY 10036. Its latest published status category is Approved, dated Aug 24, 2026. The filing records 158 proposed 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
Aug 24, 2026
Proposed scale
158 proposed dwelling units
Complete building dossierView all 3 filings associated with BIN 1091768
FiledJun 17, 2024
Current recordApproved
Proposed scale158 units
Recorded cost$1,000

What the filing says

A public-record reading of the proposed work.

Filing for fuel storage for emergency generator in conjuction with new building m00580473-i1

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 8-story elevator apartment building built in 2025, with 158 homes, on a 21,924 sq ft lot.

Built
2025
Last altered
2023
Floors
8
Residential units
158
Building type
Elevator apartment building
Land use
Mixed residential and commercial
Zoning district
R8
Lot area
21,924 sq ft
Building area
138,809 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 1, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01065410-I1.

    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
M01065410-I1
BBL
1010770029
Review type
Standard Plan Examination
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
0
Proposed dwelling units
158