NYC DOB record · B00000471-I1

21 Porter Avenue

21 Porter Avenue, Brooklyn, NY 11237

Alteration filing in East Williamsburg, Brooklyn. The latest DOB status is approved.

A plan examiner has approved the application. A permit still has to be issued before work can begin.

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 11, 2026 · Verify the source row

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NYC DOB RECORD · B00000471-I1

21 Porter Avenue

Brooklyn, NY 11237

Alteration filing · status dated Dec 28, 2020

Current record
Approved
Proposed scale
Not stated
Dwelling units
Not stated
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 B00000471-I1 as a alteration filing at 21 Porter Avenue, Brooklyn, NY 11237. Its latest published status category is Approved, dated Dec 28, 2020. The published record does not state proposed stories or 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
Approved
Latest status date
Dec 28, 2020
Proposed scale
Not stated in this filing
Applicant of recordSee the 1 filings that name J And J Associates NY Inc
FiledSep 15, 2017
Current recordApproved
Proposed scaleNot specified
Recorded cost$1,000

What the filing says

A public-record reading of the proposed work.

Application filed for approval of new 18'-0" wide curb cut starting from a point 69'-11" south of the intersection of porter avenue and grattan street per attached plans filed herewith. no change in use, egress or occupancy under this application. filed in conjunction with new building application # 320908657.

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 other on a 7,500 sq ft lot.

Residential units
0
Building type
Other
Zoning district
M1-1
Lot area
7,500 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 B00000471-I1.

    01
  2. Application approved

    The application reached an approved status in the DOB record.

    02
  3. Current status updated

    The latest recorded filing status is “Approved.”

    03

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
B00000471-I1
BIN
3824339
BBL
3030100001
Review type
Standard Plan Examination
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
Empty in the source
Proposed dwelling units
Empty in the source