NYC DOB record · B00366237-I1

640 Ditmas Avenue

640 Ditmas Avenue, Brooklyn, NY 11218

Alteration filing in Kensington, 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 12, 2026 · Verify the source row

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NYC DOB RECORD · B00366237-I1

640 Ditmas Avenue

Brooklyn, NY 11218

Alteration filing · status dated Dec 27, 2020

Current record
Approved
Proposed scale
Not stated
Dwelling units
39
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 B00366237-I1 as a alteration filing at 640 Ditmas Avenue, Brooklyn, NY 11218. Its latest published status category is Approved, dated Dec 27, 2020. The filing records 39 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
Dec 27, 2020
Proposed scale
39 proposed dwelling units
Applicant of recordSee the 158 filings that name Gregory V. Perotto, P.E.
FiledJul 8, 2020
Current recordApproved
Proposed scale39 units
Recorded cost$6,000

What the filing says

A public-record reading of the proposed work.

Install gas line from new gas meter to exg. dual fuel burner for burner pilot. no change in use, egress or occupancy.

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 condominium built in 1920, with 39 homes, on a 11,000 sq ft lot.

Built
1920
Last altered
2009
Floors
4
Residential units
39
Building type
Condominium
Land use
Walk-up apartments
Zoning district
R5
Lot area
11,000 sq ft
Building area
30,803 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 14, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B00366237-I1.

    01
  2. First permit date recorded

    DOB lists a first permit date. This does not by itself confirm current construction activity.

    02
  3. Current status updated

    The latest recorded filing status is “Permit Entire.”

    03

For scale: half of DOB filings are permitted within 18 days of being filed and a quarter take longer than 4 months, measured across 50,115 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
B00366237-I1
BIN
3127213
BBL
3054007502
Review type
Professional Certification
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
39
Proposed dwelling units
39