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NYC DOB record · B00916023-S4

221 Frost Street

221 Frost Street, Brooklyn, NY 11211

New building filing in East Williamsburg, Brooklyn. The latest DOB status is loc issued.

DOB has issued a Letter of Completion, which records that the work in this filing is finished. What every status means

Recorded as completedNew building

NYC Department of Buildings · w9ak-ipjd · accessed Sep 25, 2026 · Verify the source row

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NYC DOB RECORD · B00916023-S4

221 Frost Street

Brooklyn, NY 11211

New building · status dated Aug 24, 2026

Current record
Recorded as completed
Proposed scale
5 stories
Dwelling units
10
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 B00916023-S4 as a new building at 221 Frost Street, Brooklyn, NY 11211. Its latest published status category is Recorded as completed, dated Aug 24, 2026. The filing records 5 proposed stories and 10 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
New building
Latest status
Recorded as completed
Latest status date
Aug 24, 2026
Proposed scale
5 proposed stories and 10 proposed dwelling units
The building, not the filingwhat it sold for, apartment sizes, the owner of record and every filing at BIN 3429674Applicant of recordSee the 33 filings that name Adb Associates
FiledMay 30, 2024
Current recordRecorded as completed
Proposed scale5 stories
Recorded costNot published

What the filing says

A public-record reading of the proposed work.

Sprinkler system for 5-story New Building.

Street Futures classifies this record as a new building 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 condominium built in 2025, with 10 homes, on a 3,750 sq ft lot.

Built
2025
Floors
5
Residential units
10
Building type
Condominium
Land use
Walk-up apartments
Zoning district
R6B
Lot area
3,750 sq ft
Building area
9,612 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 25, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

No open violations are recorded for this building.

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 24, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B00916023-S4.

    01
  2. Application approved

    The application reached an approved status in the DOB record.

    02
  3. First permit date recorded

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

    03
  4. Current status updated

    The latest recorded filing status is “LOC Issued.”

    04
  5. Sign-off date recorded

    DOB lists a sign-off date for this filing.

    05

For scale: half of DOB filings are permitted within 21 days of being filed and a quarter take longer than 4 months, measured across 70,325 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
B00916023-S4
BBL
3028577511
Review type
Standard Plan Examination
Existing stories
Empty in the source
Proposed stories
5
Existing dwelling units
Empty in the source
Proposed dwelling units
10

Nearby records

Other verified filings in this part of the city.