NYC DOB record · B00404848-P6

421 Hancock Street

421 Hancock Street, Brooklyn, NY 11216

Alteration filing in Bedford-Stuyvesant (East), Brooklyn. The latest DOB status is approved.

A plan examiner has approved the application. A permit still has to be issued before work can begin. What every status means

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Sep 21, 2026 · Verify the source row

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NYC DOB RECORD · B00404848-P6

421 Hancock Street

Brooklyn, NY 11216

Alteration filing · status dated Sep 14, 2026

Current record
Approved
Proposed scale
Not stated
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 B00404848-P6 as a alteration filing at 421 Hancock Street, Brooklyn, NY 11216. Its latest published status category is Approved, dated Sep 14, 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
Sep 14, 2026
Proposed scale
2 proposed dwelling units
The building, not the filingopen housing violations, apartment sizes, the owner of record and every filing at BIN 3052541Applicant of recordSee the 20 filings that name Rmf Bryant Architects
FiledSep 11, 2026
Current recordApproved
Proposed scale2 units
Recorded cost$33,613

What the filing says

A public-record reading of the proposed work.

Minor renovation to add new shower, dw, clothes washer; install fixtures for plumbing installed under app #321259525 [wc, (2) lavs, shower, bathtub]; relocate existing kitchen sinks (2); relocate existing w/d; install combi-boiler & h.w.h.

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 3-story two-family home built in 1899, on a 1,900 sq ft lot.

Built
1899
Last altered
2015
Floors
3
Residential units
2
Building type
Two-family home
Land use
One and two family homes
Zoning district
R6B
Lot area
1,900 sq ft
Building area
3,192 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 21, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

No open violations are recorded for this building.

Open means the agency has not recorded a resolution, which is not the same as the problem still existing. What a violation is, and what it is not. From NYC Department of Buildings, DOB Violations (3h2n-5cm9), accessed Sep 21, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B00404848-P6.

    01
  2. Application approved

    The application reached an approved status in the DOB record.

    02
  3. Current status updated

    The latest recorded filing status is “Approved.”

    03

For scale: half of DOB filings are permitted within 20 days of being filed and a quarter take longer than 4 months, measured across 66,747 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
B00404848-P6
BBL
3018360062
Review type
Professional Certification
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
2
Proposed dwelling units
2