NYC DOB record · B00293894-P1

524 Knickerbocker Avenue

524 Knickerbocker Avenue, Brooklyn, NY 11221

Alteration filing in Bushwick (East), 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. What every status means

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 12, 2026 · Verify the source row

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NYC DOB RECORD · B00293894-P1

524 Knickerbocker Avenue

Brooklyn, NY 11221

Alteration filing · status dated Apr 6, 2021

Current record
Approved
Proposed scale
Not stated
Dwelling units
120
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 B00293894-P1 as a alteration filing at 524 Knickerbocker Avenue, Brooklyn, NY 11221. Its latest published status category is Approved, dated Apr 6, 2021. The filing records 120 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
Apr 6, 2021
Proposed scale
120 proposed dwelling units
The building, not the filingopen housing violations, the owner of record and every filing at BIN 3338491Applicant of recordSee the 54 filings that name Mott Macdonald
FiledApr 5, 2021
Current recordApproved
Proposed scale120 units
Recorded cost$104,680

What the filing says

A public-record reading of the proposed work.

The installation of a subsurface pipe storage system below an existing parking lot in order to collect stormwater runoff and infiltrate it into the ground.

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 walk-up apartment building built in 1987, with 120 homes, on a 104,550 sq ft lot.

Built
1987
Last altered
2019
Floors
3
Residential units
120
Building type
Walk-up apartment building
Land use
Walk-up apartments
Zoning district
R6
Lot area
104,550 sq ft
Building area
120,440 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 24, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

The Department of Buildings has 10 open notices on record for this building, out of 18 notices on file; the most recent was issued Sep 23, 2024.

  • Low pressure boiler

    Issued Sep 23, 2024 — VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION

  • Low pressure boiler

    Issued Sep 23, 2024 — VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION

  • Failure to submit

    Issued Jun 23, 2024 — FAILURE TO SUBMIT AN EER PER AD. CODE SEC. 28-308.4 - MULTIPLE YEARS (2023)

  • 7 further open notices are on file. Open the source dataset for the full list.

Open means the agency has not recorded a resolution, which is not the same as the problem still existing. What a violation is, and what it is not. From NYC Department of Buildings, DOB Violations (3h2n-5cm9), accessed Sep 23, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B00293894-P1.

    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

For scale: half of DOB filings are permitted within 21 days of being filed and a quarter take longer than 4 months, measured across 74,561 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
B00293894-P1
BBL
3033250001
Review type
Standard Plan Examination
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
120
Proposed dwelling units
120
plumbing