NYC DOB record · B00352157-I1

800 Union Street

800 Union Street, Brooklyn, NY 11215

Alteration filing in Park Slope, 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 12, 2026 · Verify the source row

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NYC DOB RECORD · B00352157-I1

800 Union Street

Brooklyn, NY 11215

Alteration filing · status dated Dec 27, 2020

Current record
Recorded as completed
Proposed scale
Not stated
Dwelling units
28
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 B00352157-I1 as a alteration filing at 800 Union Street, Brooklyn, NY 11215. Its latest published status category is Recorded as completed, dated Dec 27, 2020. The filing records 28 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
28 proposed dwelling units
The building, not the filingwhat it sold for, apartment sizes, the owner of record and every filing at BIN 3020198Applicant of recordSee the 57 filings that name M. Hamdi Gunal, PE, P. C.
FiledJun 8, 2020
Current recordRecorded as completed
Proposed scale28 units
Recorded cost$44,700

What the filing says

A public-record reading of the proposed work.

Modify existing sprinkler heads in partial cellar and first floor for new floor layouts, in conjunction with job#321922899. 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 condominium built in 1910, with 28 homes, on a 8,685 sq ft lot.

Built
1910
Last altered
2015
Residential units
28
Building type
Condominium
Land use
Mixed residential and commercial
Zoning district
R6A
Lot area
8,685 sq ft
Building area
53,907 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 B00352157-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

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
B00352157-I1
BBL
3009577502
Review type
Professional Certification
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
28
Proposed dwelling units
28
sprinkler