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NYC DOB record · B00544299-I1

423 Knickerbocker Avenue

423 Knickerbocker Avenue, Brooklyn, NY 11237

Alteration filing in Bushwick (West), Brooklyn. The latest DOB status is permit entire.

DOB has issued the permit covering the full scope of this filing, so the work is cleared to proceed. What every status means

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 14, 2026 · Verify the source row

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NYC DOB RECORD · B00544299-I1

423 Knickerbocker Avenue

Brooklyn, NY 11237

Alteration filing · status dated Sep 16, 2024

Current record
Approved
Proposed scale
Not stated
Dwelling units
2
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 B00544299-I1 as a alteration filing at 423 Knickerbocker Avenue, Brooklyn, NY 11237. Its latest published status category is Approved, dated Sep 16, 2024. The filing records 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
Sep 16, 2024
Proposed scale
2 proposed dwelling units
The building, not the filingEvery filing at BIN 3074796, with the parcel and violation recordApplicant of recordSee the 1488 filings that name Green Design
FiledJul 2, 2021
Current recordApproved
Proposed scale2 units
Recorded cost$40,000

What the filing says

A public-record reading of the proposed work.

Herewith filing for plumbing modifications as per plans. no change of use, egress or occupancy this application.

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 3-story mainly residential with some commercial built in 1931, on a 2,500 sq ft lot.

Built
1931
Floors
3
Residential units
2
Building type
Mainly residential with some commercial
Land use
Mixed residential and commercial
Zoning district
C4-3
Lot area
2,500 sq ft
Building area
5,200 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 15, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B00544299-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 “Permit Entire.”

    04

For scale: half of DOB filings are permitted within 21 days of being filed and a quarter take longer than 4 months, measured across 70,325 filings that carry both dates. How long a permit takes, by work type and borough

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
B00544299-I1
BBL
3032790003
Review type
Standard Plan Examination
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
2
Proposed dwelling units
2
plumbing

Nearby records

Other verified filings in this part of the city.