NYC DOB record · B01415540-P1

451 Classon Avenue

451 Classon Avenue, Brooklyn, NY 11238

Alteration filing in Bedford-Stuyvesant (West), 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 17, 2026 · Verify the source row

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NYC DOB RECORD · B01415540-P1

451 Classon Avenue

Brooklyn, NY 11238

Alteration filing · status dated Sep 14, 2026

Current record
Approved
Proposed scale
4 stories
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 B01415540-P1 as a alteration filing at 451 Classon Avenue, Brooklyn, NY 11238. Its latest published status category is Approved, dated Sep 14, 2026. The filing records 4 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
Sep 14, 2026
Proposed scale
4 proposed stories and 2 proposed dwelling units
The building, not the filingopen housing violations, what it sold for and every filing at BIN 3056519Applicant of recordSee the 46 filings that name Ntd Engineering Consultant LLC
FiledAug 31, 2026
Current recordApproved
Proposed scale4 stories
Recorded cost$40,480

What the filing says

A public-record reading of the proposed work.

Repair the brick wall at east side for the existing 4 story brick building and to resolve violations 39173292j; 39085884n; 39166433z;

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 4-story mainly residential with some commercial built in 1930, with 3 homes, on a 1,254 sq ft lot.

Built
1930
Last altered
2017
Floors
4
Residential units
3
Building type
Mainly residential with some commercial
Land use
Mixed residential and commercial
Zoning district
R6B
Lot area
1,254 sq ft
Building area
2,946 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 17, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

The Department of Buildings has 3 open notices on record for this building, out of 3 notices on file; the most recent was issued May 9, 2023.

  • Construction

    Issued May 9, 2023 — FTM-EXP4 PARAPET @MAIN ROOF IN DISREPAIR W/MISSING COPING &OUTWARD BULGE @EXP 1/4 END,DTRIORATD BRCKS &MORTAR @MULTI LOCTN,&LOOSE OUTWARD DISPLACD BRCKS @EXP 3/4 CORNR.1STRY SETBACK @EXP3 EXTREME DISREPAIR COMPLY WITH DOB VIOLATION 031822FEU30303BS IMMEDIATELY

  • Construction

    Issued Mar 18, 2022 — FTM-EXP4 PARAPET @MAIN ROOF IN DISREPAIR W/MISSING COPING &OUTWARD BULGE @EXP1/4 END,DTRIORATD BRCKS &MORTAR @MULTI LOCTN,&LOOSEOUTWARD DISPLACD BRCKS @EXP3/4 CORNR.1STRY SETBACK @EXP3 EXTRME DISRPR NYSPE STRCTRL ENGNR-IMMED EVALU ENTIRE BLDG& DSGN RPRS.FILE PRMTS BY 4/18/22.OBTN PRMT&STRT WRK BY 5/2/22.COMPLT BY 6/6/22

  • Construction

    Issued Mar 18, 2022 — STRUCTURE RENDERED NON-COMPLIANT. AT THE TIME OF THE INSPECTION OBSERV ED BULGING WALL

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 B01415540-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 20 days of being filed and a quarter take longer than 4 months, measured across 66,747 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
B01415540-P1
BBL
3019730001
Review type
Standard Plan Examination
Existing stories
4
Proposed stories
4
Existing dwelling units
2
Proposed dwelling units
2
General constructionStructural work