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NYC DOB record · B01254287-I1

170 East 4 Street

170 East 4 Street, Brooklyn, NY 11218

Alteration filing in Windsor Terrace-South Slope, 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 3, 2026 · Verify the source row

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NYC DOB RECORD · B01254287-I1

170 East 4 Street

Brooklyn, NY 11218

Alteration filing · status dated Sep 30, 2026

Current record
Approved
Proposed scale
Not stated
Dwelling units
70
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 B01254287-I1 as a alteration filing at 170 East 4 Street, Brooklyn, NY 11218. Its latest published status category is Approved, dated Sep 30, 2026. The filing records 70 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 30, 2026
Proposed scale
70 proposed dwelling units
The building, not the filingEvery filing at BIN 3123982, with the parcel and violation recordApplicant of recordSee the 323 filings that name Rigid Structural Design, LLC
FiledJul 10, 2025
Current recordApproved
Proposed scale70 units
Recorded cost$11,645

What the filing says

A public-record reading of the proposed work.

Installation of a temporarily heavy-duty 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 6-story elevator apartment building built in 1962, with 71 homes, on a 17,312 sq ft lot.

Built
1962
Floors
6
Residential units
71
Building type
Elevator apartment building
Land use
Elevator apartments
Zoning district
R5
Lot area
17,312 sq ft
Building area
62,400 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Oct 4, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B01254287-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 75,295 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
B01254287-I1
BBL
3053170011
Review type
Professional Certification
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
70
Proposed dwelling units
70
Sidewalk shed

Nearby records

Other verified filings in this part of the city.