NYC DOB record · B01215170-I1

145 South 4 Street

145 South 4 Street, Brooklyn, NY 11211

Alteration filing in Williamsburg, 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 1, 2026 · Verify the source row

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145 South 4 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 B01215170-I1 as a alteration filing at 145 South 4 Street, Brooklyn, NY 11211. Its latest published status category is Recorded as completed, dated Aug 28, 2026. The filing records 6 proposed stories and 35 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
Aug 28, 2026
Proposed scale
6 proposed stories and 35 proposed dwelling units
FiledApr 30, 2025
Current recordRecorded as completed
Proposed scale6 stories
Recorded cost$40,000

What the filing says

A public-record reading of the proposed work.

Repair brick at east side court yard exterior wall, repointing and apply waterproofing paint. No change in use, egress and 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 6-story walk-up apartment building built in 1916, with 35 homes, on a 4,750 sq ft lot.

Built
1916
Floors
6
Residential units
35
Building type
Walk-up apartment building
Land use
Walk-up apartments
Zoning district
R6
Lot area
4,750 sq ft
Building area
24,600 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 B01215170-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 “LOC Issued.”

    04
  5. Sign-off date recorded

    DOB lists a sign-off date for this filing.

    05

Scope and identifiers

The details used to match this filing.

DOB filing number
B01215170-I1
BIN
3063283
BBL
3024310038
Review type
Professional Certification
Existing stories
6
Proposed stories
6
Existing dwelling units
35
Proposed dwelling units
35
General construction