NYC DOB record · B01363611-I1

12 Martense Street

12 Martense Street, Brooklyn, NY 11226

Alteration filing in Flatbush, Brooklyn. The latest DOB status is permit issued.

A permit has been issued for this filing. It may cover part of the work rather than all of it. What every status means

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Oct 30, 2026 · Verify the source row

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NYC DOB RECORD · B01363611-I1

12 Martense Street

Brooklyn, NY 11226

Alteration filing · status dated Oct 28, 2026

Current record
Approved
Proposed scale
4 stories
Dwelling units
20
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 B01363611-I1 as a alteration filing at 12 Martense Street, Brooklyn, NY 11226. Its latest published status category is Approved, dated Oct 28, 2026. The filing records 4 proposed stories and 20 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
Oct 28, 2026
Proposed scale
4 proposed stories and 20 proposed dwelling units
Applicant of recordSee the 7 filings that name Theodore Yen
FiledJun 17, 2026
Current recordApproved
Proposed scale4 stories
Recorded cost$30,000

What the filing says

A public-record reading of the proposed work.

Replace existing 7' high retaining wall

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 4-story walk-up apartment building built in 1925, with 20 homes, on a 6,000 sq ft lot.

Built
1925
Floors
4
Residential units
20
Building type
Walk-up apartment building
Land use
Walk-up apartments
Zoning district
R7A
Lot area
6,000 sq ft
Building area
18,240 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Oct 31, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

The Department of Buildings has 3 open notices on record for this building, out of 9 notices on file; the most recent was issued Oct 22, 2025.

  • Construction

    Issued Oct 22, 2025 — IN REAR YARD OF BUILDING EXP-3 RETAINING WALL IN STATE OF SEVERE DISREPAIR WITH LOOSE AND DISLODGED BRICKS AND LEANING TOWARDS PROPERTY.

  • Low pressure boiler

    Issued Jun 30, 2023 — VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION

  • Low pressure boiler

    Issued Jun 20, 2023 — VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION

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 Oct 30, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B01363611-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 Issued.”

    04

For scale: half of DOB filings are permitted within 22 days of being filed and a quarter take longer than 4 months, measured across 91,066 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
B01363611-I1
BIN
3116854
BBL
3050890012
Review type
Standard Plan Examination
Existing stories
4
Proposed stories
4
Existing dwelling units
20
Proposed dwelling units
20
General constructionFoundation workEarthwork