NYC DOB record · B00449903-I1

317 21 Street

317 21 Street, Brooklyn, NY 11215

Alteration filing in Sunset Park (West), 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 14, 2026 · Verify the source row

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NYC DOB RECORD · B00449903-I1

317 21 Street

Brooklyn, NY 11215

Alteration filing · status dated Mar 3, 2022

Current record
Approved
Proposed scale
2 stories
Dwelling units
2
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 B00449903-I1 as a alteration filing at 317 21 Street, Brooklyn, NY 11215. Its latest published status category is Approved, dated Mar 3, 2022. The filing records 2 proposed stories and 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
Mar 3, 2022
Proposed scale
2 proposed stories and 2 proposed dwelling units
Complete building dossierView all 3 filings associated with BIN 3017479Applicant of recordSee the 12 filings that name Architecture + Construction PLLC
FiledJan 7, 2021
Current recordApproved
Proposed scale2 stories
Recorded cost$40,574

What the filing says

A public-record reading of the proposed work.

Selective moderate work on 2nd floor of existing one family house, partitions ,gwb, tilework, kit cabinet replacement replacement. No change to egress, occupancy or use.

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 one-family home built in 1905, on a 1,569 sq ft lot.

Built
1905
Floors
2
Residential units
1
Building type
One-family home
Land use
One and two family homes
Zoning district
R6B
Lot area
1,569 sq ft
Building area
1,208 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 B00449903-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.

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
B00449903-I1
BBL
3008920073
Review type
Standard Plan Examination
Existing stories
2
Proposed stories
2
Existing dwelling units
2
Proposed dwelling units
2
General construction