NYC DOB record · B00621060-P1

451 Clarkson Avenue

451 Clarkson Avenue, Brooklyn, NY 11203

Alteration filing in Prospect Lefferts Gardens-Wingate, 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 14, 2026 · Verify the source row

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NYC DOB RECORD · B00621060-P1

451 Clarkson Avenue

Brooklyn, NY 11203

Alteration filing · status dated Oct 24, 2023

Current record
Approved
Proposed scale
10 stories
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 B00621060-P1 as a alteration filing at 451 Clarkson Avenue, Brooklyn, NY 11203. Its latest published status category is Approved, dated Oct 24, 2023. The filing records 10 proposed stories.

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
Oct 24, 2023
Proposed scale
10 proposed stories
The building, not the filingopen housing violations, the owner of record and every filing at BIN 3327711Applicant of recordSee the 26 filings that name Lera Consulting Structural Engineer
FiledNov 2, 2022
Current recordApproved
Proposed scale10 stories
Recorded cost$80,915

What the filing says

A public-record reading of the proposed work.

Structural work including new steel to accommodate hospital Cath Lab renovation on partial 2nd floor in the existing hospital, and install new steel dunnage and modification to existing dunnage to support MEP equipment 1st floor roof.

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 5-story health facility built in 1930, on a 891,577 sq ft lot.

Built
1930
Last altered
2006
Floors
5
Residential units
0
Building type
Health facility
Land use
Public facilities and institutions
Zoning district
R5
Lot area
891,577 sq ft
Building area
1,503,150 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 29 open notices on record for this building, out of 214 notices on file; the most recent was issued Apr 29, 2026.

  • Construction

    Issued Apr 29, 2026 — BOROUGH COMMISSIONER HAS ORDERED ALL WORK STOPPED UNDER PERMIT #B00621114-I1 ON 11/18/25. CONTRACTOR WITHDRAWAL

  • Construction

    Issued Apr 29, 2026 — BOROUGH COMMISSIONER HAS ORDERED ALL WORK STOPPED UNDER PERMIT #310103553 ON 8/19/2020 DUE TO CONTRACTOR WITHDRAWAL

  • Construction

    Issued Aug 20, 2020 — STOP ALL WORK IMMEDIATELY AND MAKE SITE SAFE/CONTACT THE BOROUGH COMMI SSIONER'S OFFICE AT 718 802-3677

  • 26 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 21, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B00621060-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 69,387 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
B00621060-P1
BBL
3048290001
Review type
Standard Plan Examination
Existing stories
10
Proposed stories
10
Existing dwelling units
0
Proposed dwelling units
0
Structural work