NYC DOB record · B01075535-I1

450 Clinton Street

450 Clinton Street, Brooklyn, NY 11231

Alteration filing in Carroll Gardens-Cobble Hill-Gowanus-Red Hook, Brooklyn. The latest DOB status is loc issued.

DOB has issued a Letter of Completion, which records that the work in this filing is finished.

Recorded as completedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 10, 2026 · Verify the source row

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NYC DOB RECORD · B01075535-I1

450 Clinton Street

Brooklyn, NY 11231

Alteration filing · status dated Sep 4, 2026

Current record
Recorded as completed
Proposed scale
Not stated
Dwelling units
36
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 B01075535-I1 as a alteration filing at 450 Clinton Street, Brooklyn, NY 11231. Its latest published status category is Recorded as completed, dated Sep 4, 2026. The filing records 36 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
Recorded as completed
Latest status date
Sep 4, 2026
Proposed scale
36 proposed dwelling units
Complete building dossierView all 4 filings associated with BIN 3339575Applicant of recordSee the 82 filings that name Msm Engineering Services, PLLC
FiledJul 20, 2024
Current recordRecorded as completed
Proposed scale36 units
Recorded cost$1,000

What the filing says

A public-record reading of the proposed work.

Installation of temporary heavy duty sidewalk shed and pipe scaffold 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 4-story walk-up apartment building built in 1900, with 36 homes, on a 11,475 sq ft lot.

Built
1900
Last altered
1987
Floors
4
Residential units
36
Building type
Walk-up apartment building
Land use
Walk-up apartments
Zoning district
R6A
Lot area
11,475 sq ft
Building area
36,000 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 10, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

The Department of Buildings has 17 open notices on record for this building, out of 17 notices on file; the most recent was issued Nov 14, 2025.

  • Low pressure boiler

    Issued Nov 14, 2025 — VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION

  • Low pressure boiler

    Issued Nov 14, 2025 — VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION

  • Low pressure boiler

    Issued Sep 23, 2024 — VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION

  • 14 further open notices are on file. Open the source dataset for the full list.

A violation is a notice the Department of Buildings recorded against the building. It is not a judgment, and many concern paperwork rather than safety. Open means the agency has not recorded a resolution, which is not the same as the problem still existing. From NYC Department of Buildings, DOB Violations (3h2n-5cm9), accessed Sep 14, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B01075535-I1.

    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 “LOC Issued.”

    03
  4. Sign-off date recorded

    DOB lists a sign-off date for this filing.

    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
B01075535-I1
BBL
3003550030
Review type
Professional Certification
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
36
Proposed dwelling units
36