NYC DOB record · B01399528-I1

104 Montgomery Street

104 Montgomery Street, Brooklyn, NY 11225

Alteration filing in Crown Heights (South), Brooklyn. The latest DOB status is permit entire.

DOB has issued the permit covering the full scope of this filing, so the work is cleared to proceed. What every status means

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Oct 1, 2026 · Verify the source row

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NYC DOB RECORD · B01399528-I1

104 Montgomery Street

Brooklyn, NY 11225

Alteration filing · status dated Sep 28, 2026

Current record
Approved
Proposed scale
Not stated
Dwelling units
55
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 B01399528-I1 as a alteration filing at 104 Montgomery Street, Brooklyn, NY 11225. Its latest published status category is Approved, dated Sep 28, 2026. The filing records 55 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
Approved
Latest status date
Sep 28, 2026
Proposed scale
55 proposed dwelling units
Applicant of recordSee the 139 filings that name Black Sheep Engineering Group
FiledJun 11, 2026
Current recordApproved
Proposed scale55 units
Recorded cost$1

What the filing says

A public-record reading of the proposed work.

Installation of temporary sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.

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 office building built in 1920, on a 6,224 sq ft lot.

Built
1920
Last altered
2002
Floors
2
Residential units
2
Building type
Office building
Land use
Mixed residential and commercial
Zoning district
R8A
Lot area
6,224 sq ft
Building area
12,393 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Oct 1, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B01399528-I1.

    01
  2. First permit date recorded

    DOB lists a first permit date. This does not by itself confirm current construction activity.

    02
  3. Current status updated

    The latest recorded filing status is “Permit Entire.”

    03

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
B01399528-I1
BIN
3029727
BBL
3011920030
Review type
Professional Certification
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
0
Proposed dwelling units
55
Sidewalk shed