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NYC DOB record · B00202585-I1

451 6 Street

451 6 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 Aug 31, 2026 · Verify the source row

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451 6 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 B00202585-I1 as a alteration filing at 451 6 Street, Brooklyn, NY 11215. Its latest published status category is Recorded as completed, dated Nov 5, 2025. The filing records 4 proposed stories and 3 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
Nov 5, 2025
Proposed scale
4 proposed stories and 3 proposed dwelling units
FiledSep 8, 2019
Current recordRecorded as completed
Proposed scale4 stories
Recorded cost$46,000

What the filing says

A public-record reading of the proposed work.

PROPOSED NEW REAR 2-STORY HORIZONTAL EXTENSION WITH NEW NONCOMBUSTIBLE ROOF in conjunction with Job # 321964781. Replacing wood joists at rear 2nd & 3rd floors. And add mechanical units on the roof.

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.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B00202585-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
B00202585-I1
BIN
3021513
BBL
3009890058
Review type
Standard Plan Examination
Existing stories
4
Proposed stories
4
Existing dwelling units
3
Proposed dwelling units
3
Structural work

Nearby records

Other verified filings in this part of the city.