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NYC DOB record · B00550841-Z1

423 78 Street

423 78 Street, Brooklyn, NY 11209

New building filing in Bay Ridge, 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 completedNew building

NYC Department of Buildings · w9ak-ipjd · accessed Aug 31, 2026 · Verify the source row

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423 78 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 B00550841-Z1 as a new building at 423 78 Street, Brooklyn, NY 11209. Its latest published status category is Recorded as completed, dated Jan 6, 2026. The filing records 3 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
New building
Latest status
Recorded as completed
Latest status date
Jan 6, 2026
Proposed scale
3 proposed stories and 2 proposed dwelling units
Complete building dossierView all 20 filings associated with BIN 3429142
FiledJul 18, 2024
Current recordRecorded as completed
Proposed scale3 stories
Recorded costNot published

What the filing says

A public-record reading of the proposed work.

Install sprinkler system as per plans

Street Futures classifies this record as a new building 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 two-family home built in 2025, on a 3,000 sq ft lot.

Built
2025
Floors
3
Residential units
2
Building type
Two-family home
Land use
One and two family homes
Zoning district
R4-1
Lot area
3,000 sq ft
Building area
2,656 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 2, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B00550841-Z1.

    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
B00550841-Z1
BBL
3059610069
Review type
Standard Plan Examination
Existing stories
Empty in the source
Proposed stories
3
Existing dwelling units
Empty in the source
Proposed dwelling units
2

Nearby records

Other verified filings in this part of the city.