NYC DOB record · B00507431-I1

1900 East 21 Street

1900 East 21 Street, Brooklyn, NY 11229

Alteration filing in Madison, 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.

Recorded as completedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 14, 2026 · Verify the source row

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NYC DOB RECORD · B00507431-I1

1900 East 21 Street

Brooklyn, NY 11229

Alteration filing · status dated Mar 2, 2023

Current record
Recorded as completed
Proposed scale
Not stated
Dwelling units
1
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 B00507431-I1 as a alteration filing at 1900 East 21 Street, Brooklyn, NY 11229. Its latest published status category is Recorded as completed, dated Mar 2, 2023. The filing records 1 proposed dwelling unit.

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
Mar 2, 2023
Proposed scale
1 proposed dwelling unit
Complete building dossierView all 5 filings associated with BIN 3253809Applicant of recordSee the 32 filings that name Ishac Design Architects PC
FiledApr 30, 2021
Current recordRecorded as completed
Proposed scale1 units
Recorded cost$100

What the filing says

A public-record reading of the proposed work.

Amend plans only to add the CRFN No 2023000031886 to the PW1 form

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 1930, on a 3,400 sq ft lot.

Built
1930
Floors
2
Residential units
1
Building type
One-family home
Land use
One and two family homes
Zoning district
R3-2
Lot area
3,400 sq ft
Building area
1,612 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 B00507431-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 “LOC Issued.”

    04
  5. Sign-off date recorded

    DOB lists a sign-off date for this filing.

    05

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
B00507431-I1
BBL
3068260011
Review type
Standard Plan Examination
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
1
Proposed dwelling units
1