newyorkdailyStreet Futures
SearchExplore New York

NYC DOB record · B00606842-S1

645 51 Street

645 51 Street, Brooklyn, NY 11220

Alteration filing in Sunset Park (Central), 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

Open full map
newyorkdailyStreet Futures

NYC DOB RECORD · B00606842-S1

645 51 Street

Brooklyn, NY 11220

Alteration filing · status dated Jul 6, 2022

Current record
Recorded as completed
Proposed scale
2 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 B00606842-S1 as a alteration filing at 645 51 Street, Brooklyn, NY 11220. Its latest published status category is Recorded as completed, dated Jul 6, 2022. The filing records 2 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
Recorded as completed
Latest status date
Jul 6, 2022
Proposed scale
2 proposed stories and 2 proposed dwelling units
The building, not the filingwhat it sold for, apartment sizes, the owner of record and every filing at BIN 3013374Applicant of recordSee the 283 filings that name Flushing Engineering Service
FiledOct 19, 2021
Current recordRecorded as completed
Proposed scale2 stories
Recorded cost$23,000

What the filing says

A public-record reading of the proposed work.

Plumbing work on bas, 1st & 2nd floor. no change in use group, egress and occupancy. (total: existing two family dwelling units from co search prime pla-210703k)

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 2-story walk-up apartment building built in 1901, with 3 homes, on a 1,669 sq ft lot.

Built
1901
Floors
2
Residential units
3
Building type
Walk-up apartment building
Land use
Walk-up apartments
Zoning district
R6B
Lot area
1,669 sq ft
Building area
2,820 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 B00606842-S1.

    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
B00606842-S1
BBL
3007930049
Review type
Professional Certification
Existing stories
2
Proposed stories
2
Existing dwelling units
2
Proposed dwelling units
2
plumbing

Nearby records

Other verified filings in this part of the city.