NYC DOB record · B01462935-I1

639 4 Avenue

639 4 Avenue, Brooklyn, NY 11232

Alteration filing in Sunset Park (West), Brooklyn. The latest DOB status is pending prof cert qa assignment.

The filing is waiting to be picked up for a professional-certification audit. What every status means

Under reviewAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Oct 7, 2026 · Verify the source row

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NYC DOB RECORD · B01462935-I1

639 4 Avenue

Brooklyn, NY 11232

Alteration filing · status dated Oct 5, 2026

Current record
Under review
Proposed scale
Not stated
Dwelling units
44
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 B01462935-I1 as a alteration filing at 639 4 Avenue, Brooklyn, NY 11232. Its latest published status category is Under review, dated Oct 5, 2026. The filing records 44 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
Under review
Latest status date
Oct 5, 2026
Proposed scale
44 proposed dwelling units
The building, not the filingopen housing violations, what it sold for, apartment sizes and every filing at BIN 3397574Applicant of recordSee the 23 filings that name Colombo Architectural Studio PC
FiledOct 5, 2026
Current recordUnder review
Proposed scale44 units
Recorded cost$18,000

What the filing says

A public-record reading of the proposed work.

Direct replacement of Package Rooftop Unit to connect to the existing ductwork. Replacement Unit to be mounted on existing roof curb. 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 11-story condominium built in 2005, with 44 homes, on a 7,354 sq ft lot.

Built
2005
Last altered
2004
Floors
11
Residential units
44
Building type
Condominium
Land use
Mixed residential and commercial
Zoning district
R8A
Lot area
7,354 sq ft
Building area
45,567 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Oct 7, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

The Department of Buildings has 6 open notices on record for this building, out of 26 notices on file; the most recent was issued Dec 1, 2023.

  • Failure to post energy

    Issued Dec 1, 2023 — FAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3

  • Low pressure boiler

    Issued Jun 30, 2023 — VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION

  • Low pressure boiler

    Issued Jun 30, 2023 — VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION

  • 3 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 Oct 7, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B01462935-I1.

    01
  2. Current status updated

    The latest recorded filing status is “Pending Prof Cert QA Assignment.”

    02

For scale: half of DOB filings are permitted within 21 days of being filed and a quarter take longer than 4 months, measured across 76,126 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
B01462935-I1
BBL
3006377501
Review type
Professional Certification
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
44
Proposed dwelling units
44