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NYC DOB record · B01447122-I1

637 48 Street

637 48 Street, Brooklyn, NY 11220

Alteration filing in Sunset Park (Central), 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.

ApprovedAlteration filing

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

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637 48 Street record graphic showing the DOB filing status and stated proposal scale
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 B01447122-I1 as a alteration filing at 637 48 Street, Brooklyn, NY 11220. Its latest published status category is Approved, dated Aug 27, 2026. The filing records 2 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
Aug 27, 2026
Proposed scale
2 proposed dwelling units
Complete building dossierView all 2 filings associated with BIN 3012385Applicant of recordSee the 20 filings that name Farhad Bassiri-Tehrani
FiledAug 21, 2026
Current recordApproved
Proposed scale2 units
Recorded cost$80,000

What the filing says

A public-record reading of the proposed work.

Renovation of existing cellar, 1st and 2nd floor with plumbing work:relocate kitchen and bathroom fixtures; new 2-pc restroom, washer,dryer, boilers and hot water heaters in cellar; no change in use, egress or occupancy under 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 two-family home built in 1920, on a 1,970 sq ft lot.

Built
1920
Floors
2
Residential units
2
Building type
Two-family home
Land use
One and two family homes
Zoning district
R6B
Lot area
1,970 sq ft
Building area
1,864 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 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 B01447122-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 “Permit Entire.”

    04

Scope and identifiers

The details used to match this filing.

DOB filing number
B01447122-I1
BBL
3007670066
Review type
Professional Certification
Existing stories
Not recorded
Proposed stories
Not recorded
Existing dwelling units
2
Proposed dwelling units
2

Nearby records

Other verified filings in this part of the city.