NYC DOB record · B00341080-I1

331 4 Street

331 4 Street, Brooklyn, NY 11215

Alteration filing in Park Slope, 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 12, 2026 · Verify the source row

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NYC DOB RECORD · B00341080-I1

331 4 Street

Brooklyn, NY 11215

Alteration filing · status dated Jul 19, 2021

Current record
Recorded as completed
Proposed scale
3 stories
Dwelling units
1
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 B00341080-I1 as a alteration filing at 331 4 Street, Brooklyn, NY 11215. Its latest published status category is Recorded as completed, dated Jul 19, 2021. The filing records 3 proposed stories and 1 proposed dwelling unit.

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
Jul 19, 2021
Proposed scale
3 proposed stories and 1 proposed dwelling unit
Complete building dossierView all 9 filings associated with BIN 3021115Applicant of recordSee the 35 filings that name Celin Munoz Consulting Engineer, PC
FiledMay 21, 2020
Current recordRecorded as completed
Proposed scale3 stories
Recorded cost$55,050

What the filing says

A public-record reading of the proposed work.

Structural work in connection with alteration type 1 application number 322083758 that involves partial demolition of interior bearing walls, existing floor framing, partial floor framing, and structural design of one-story vertical extension.

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 3-story one-family home built in 1920, on a 2,090 sq ft lot.

Built
1920
Last altered
2020
Floors
3
Residential units
1
Building type
One-family home
Land use
One and two family homes
Zoning district
R6B
Lot area
2,090 sq ft
Building area
3,359 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 14, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B00341080-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.

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
B00341080-I1
BBL
3009820067
Review type
Standard Plan Examination
Existing stories
2
Proposed stories
3
Existing dwelling units
1
Proposed dwelling units
1
Structural work