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NYC DOB record · B00291266-I1

770 51 Street

770 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.

Recorded as completedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 12, 2026 · Verify the source row

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NYC DOB RECORD · B00291266-I1

770 51 Street

Brooklyn, NY 11220

Alteration filing · status dated Dec 27, 2020

Current record
Recorded as completed
Proposed scale
4 stories
Dwelling units
3
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 B00291266-I1 as a alteration filing at 770 51 Street, Brooklyn, NY 11220. Its latest published status category is Recorded as completed, dated Dec 27, 2020. The filing records 4 proposed stories and 3 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
Dec 27, 2020
Proposed scale
4 proposed stories and 3 proposed dwelling units
Complete building dossierView all 2 filings associated with BIN 3013759Applicant of recordSee the 156 filings that name City Building Architect P.C.
FiledJan 7, 2020
Current recordRecorded as completed
Proposed scale4 stories
Recorded cost$6,000

What the filing says

A public-record reading of the proposed work.

To submit "be" boiler equipment work in conjunction with alt-1 application job#321606491

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 mainly residential with some commercial built in 1920, with 3 homes, on a 2,003 sq ft lot.

Built
1920
Last altered
2018
Floors
4
Residential units
3
Building type
Mainly residential with some commercial
Land use
Mixed residential and commercial
Zoning district
R6B
Lot area
2,003 sq ft
Building area
4,918 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 B00291266-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. Sign-off date recorded

    DOB lists a sign-off date for this filing.

    04
  5. Current status updated

    The latest recorded filing status is “LOC Issued.”

    05

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
B00291266-I1
BBL
3008020035
Review type
Professional Certification
Existing stories
2
Proposed stories
4
Existing dwelling units
2
Proposed dwelling units
3

Nearby records

Other verified filings in this part of the city.