NYC DOB record · X00900173-I1

500 Southern Boulevard

500 Southern Boulevard, Bronx, NY 10455

Alteration filing in Mott Haven-Port Morris, Bronx. 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 Sep 17, 2026 · Verify the source row

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NYC DOB RECORD · X00900173-I1

500 Southern Boulevard

Bronx, NY 10455

Alteration filing · status dated Sep 15, 2026

Current record
Approved
Proposed scale
Not stated
Dwelling units
137
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 X00900173-I1 as a alteration filing at 500 Southern Boulevard, Bronx, NY 10455. Its latest published status category is Approved, dated Sep 15, 2026. The filing records 137 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
Sep 15, 2026
Proposed scale
137 proposed dwelling units
Applicant of recordSee the 128 filings that name Msm Engineering Services, PLLC
FiledJul 7, 2023
Current recordApproved
Proposed scale137 units
Recorded cost$1,000

What the filing says

A public-record reading of the proposed work.

Installation of temporary heavy duty sidewalk shed as per plans. no change in use, egress or occupancy. sidewalk shed shall comply with chapter #33 of the NYC building code. live load 300psf.

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 5-story walk-up apartment building built in 1929, with 137 homes, on a 41,600 sq ft lot.

Built
1929
Last altered
1992
Floors
5
Residential units
137
Building type
Walk-up apartment building
Land use
Walk-up apartments
Zoning district
R7X
Lot area
41,600 sq ft
Building area
275,000 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 17, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

No open violations are recorded for this building. 13 notices are on file, all with a recorded resolution.

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 X00900173-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

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
X00900173-I1
BIN
2004084
BBL
2026000131
Review type
Professional Certification
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
137
Proposed dwelling units
137
Sidewalk shed