NYC DOB record · B00502311-I1

40 Clarkson Avenue

40 Clarkson Avenue, Brooklyn, NY 11226

Alteration filing in Flatbush, 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 14, 2026 · Verify the source row

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NYC DOB RECORD · B00502311-I1

40 Clarkson Avenue

Brooklyn, NY 11226

Alteration filing · status dated Aug 10, 2021

Current record
Recorded as completed
Proposed scale
6 stories
Dwelling units
78
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 B00502311-I1 as a alteration filing at 40 Clarkson Avenue, Brooklyn, NY 11226. Its latest published status category is Recorded as completed, dated Aug 10, 2021. The filing records 6 proposed stories and 78 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 10, 2021
Proposed scale
6 proposed stories and 78 proposed dwelling units
Complete building dossierView all 2 filings associated with BIN 3116200Applicant of recordSee the 2 filings that name Adapt Collaborative Architecture
FiledApr 16, 2021
Current recordRecorded as completed
Proposed scale6 stories
Recorded cost$15,000

What the filing says

A public-record reading of the proposed work.

Modification on non load bearing partitions

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 elevator apartment building built in 1938, with 78 homes, on a 24,422 sq ft lot.

Built
1938
Floors
6
Residential units
78
Building type
Elevator apartment building
Land use
Elevator apartments
Zoning district
R7A
Lot area
24,422 sq ft
Building area
97,332 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 B00502311-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
B00502311-I1
BBL
3050640029
Review type
Standard Plan Examination
Existing stories
6
Proposed stories
6
Existing dwelling units
78
Proposed dwelling units
78
General construction