NYC DOB record · B00564012-I1

71 Columbia Street

71 Columbia Street, Brooklyn, NY 11201

Alteration filing in Carroll Gardens-Cobble Hill-Gowanus-Red Hook, 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 · B00564012-I1

71 Columbia Street

Brooklyn, NY 11201

Alteration filing · status dated Jan 13, 2022

Current record
Recorded as completed
Proposed scale
Not stated
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 B00564012-I1 as a alteration filing at 71 Columbia Street, Brooklyn, NY 11201. Its latest published status category is Recorded as completed, dated Jan 13, 2022. The filing records 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
Alteration filing
Latest status
Recorded as completed
Latest status date
Jan 13, 2022
Proposed scale
10 proposed dwelling units
Applicant of recordSee the 10 filings that name A Saxon Design Group
FiledAug 19, 2021
Current recordRecorded as completed
Proposed scale10 units
Recorded cost$25,500

What the filing says

A public-record reading of the proposed work.

Tmobile - Removal and relocation of antenna sectors on the roof. Proposed access ladders and steel bar grating on existing platform on the roof. Installation of kickbacks. All work is in compliance with TPPN5/98. 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 5-story walk-up apartment building built in 1901, with 10 homes, on a 2,430 sq ft lot.

Built
1901
Last altered
1988
Floors
5
Residential units
10
Building type
Walk-up apartment building
Land use
Walk-up apartments
Zoning district
R6A
Lot area
2,430 sq ft
Building area
9,275 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 B00564012-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 75,302 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
B00564012-I1
BIN
3003193
BBL
3002990005
Review type
Standard Plan Examination
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
10
Proposed dwelling units
10
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