NYC DOB record · B00347191-I1

423 Herkimer Street

423 Herkimer Street, Brooklyn, NY 11213

Alteration filing in Bedford-Stuyvesant (East), 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. What every status means

Recorded as completedAlteration filing

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

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NYC DOB RECORD · B00347191-I1

423 Herkimer Street

Brooklyn, NY 11213

Alteration filing · status dated Feb 26, 2026

Current record
Recorded as completed
Proposed scale
5 stories
Dwelling units
10
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 B00347191-I1 as a alteration filing at 423 Herkimer Street, Brooklyn, NY 11213. Its latest published status category is Recorded as completed, dated Feb 26, 2026. The filing records 5 proposed stories and 10 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
Recorded as completed
Latest status date
Feb 26, 2026
Proposed scale
5 proposed stories and 10 proposed dwelling units
The building, not the filingEvery filing at BIN 3428926, with the parcel and violation recordApplicant of recordSee the 45 filings that name Madsen Consulting Engineering, PLLC
FiledMay 11, 2020
Current recordRecorded as completed
Proposed scale5 stories
Recorded cost$1.2M

What the filing says

A public-record reading of the proposed work.

Erecting new 5 story residential non-combustible building with cellar.

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 5-story elevator apartment building built in 2024, with 10 homes, on a 4,000 sq ft lot.

Built
2024
Last altered
2021
Floors
5
Residential units
10
Building type
Elevator apartment building
Land use
Elevator apartments
Zoning district
R6A
Lot area
4,000 sq ft
Building area
11,881 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 14, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B00347191-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

For scale: half of DOB filings are permitted within 20 days of being filed and a quarter take longer than 4 months, measured across 66,798 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
B00347191-I1
BBL
3018640048
Review type
Standard Plan Examination
Existing stories
5
Proposed stories
5
Existing dwelling units
0
Proposed dwelling units
10
Structural work