NYC DOB record · B01393456-S1

646 Decatur Street

646 Decatur Street, Brooklyn, NY 11233

Alteration filing in Ocean Hill, 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 Aug 29, 2026 · Verify the source row

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646 Decatur 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 B01393456-S1 as a alteration filing at 646 Decatur Street, Brooklyn, NY 11233. Its latest published status category is Approved, dated Aug 25, 2026. The filing records 2 proposed stories and 2 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
Approved
Latest status date
Aug 25, 2026
Proposed scale
2 proposed stories and 2 proposed dwelling units
FiledAug 24, 2026
Current recordApproved
Proposed scale2 stories
Recorded cost$13,000

What the filing says

A public-record reading of the proposed work.

Replace/Remove existing bathroom fixture install bathroom at basement floor and cellar as per plan

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 2-story two-family home built in 1910, on a 1,850 sq ft lot.

Built
1910
Floors
2
Residential units
2
Building type
Two-family home
Land use
One and two family homes
Zoning district
R6
Lot area
1,850 sq ft
Building area
2,331 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 B01393456-S1.

    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.

DOB filing number
B01393456-S1
BIN
3040629
BBL
3015060005
Review type
Professional Certification
Existing stories
2
Proposed stories
2
Existing dwelling units
2
Proposed dwelling units
2