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NYC DOB record · B00603634-I1

621 Lefferts Avenue

621 Lefferts Avenue, Brooklyn, NY 11203

Alteration filing in Crown Heights (South), 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 completedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 14, 2026 · Verify the source row

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NYC DOB RECORD · B00603634-I1

621 Lefferts Avenue

Brooklyn, NY 11203

Alteration filing · status dated Jan 24, 2022

Current record
Recorded as completed
Proposed scale
6 stories
Dwelling units
122
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 B00603634-I1 as a alteration filing at 621 Lefferts Avenue, Brooklyn, NY 11203. Its latest published status category is Recorded as completed, dated Jan 24, 2022. The filing records 6 proposed stories and 122 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
Recorded as completed
Latest status date
Jan 24, 2022
Proposed scale
6 proposed stories and 122 proposed dwelling units
Applicant of recordSee the 1374 filings that name Syed Engineering, P.C.
FiledOct 3, 2021
Current recordRecorded as completed
Proposed scale6 stories
Recorded cost$10,500

What the filing says

A public-record reading of the proposed work.

Repair to retaining wall in rear yard ( north side) as per details shown on plans. No changes to uses, egress or occupancy . HPD memo # OMO EM04913.

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 6-story elevator apartment building built in 1926, with 122 homes, on a 24,308 sq ft lot.

Built
1926
Last altered
1982
Floors
6
Residential units
122
Building type
Elevator apartment building
Land use
Mixed residential and commercial
Zoning district
R7-1
Lot area
24,308 sq ft
Building area
146,400 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 21, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B00603634-I1.

    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 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
B00603634-I1
BIN
3035221
BBL
3013260045
Review type
Professional Certification
Existing stories
6
Proposed stories
6
Existing dwelling units
122
Proposed dwelling units
122
General construction

Nearby records

Other verified filings in this part of the city.