newyorkdailyStreet Futures
SearchExplore New York

NYC DOB record · B01153247-S1

123 St Marks Avenue

123 St Marks Avenue, Brooklyn, NY 11217

Alteration filing in Prospect Heights, 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. What every status means

ApprovedAlteration filing

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

Open full map
newyorkdailyStreet Futures

NYC DOB RECORD · B01153247-S1

123 St Marks Avenue

Brooklyn, NY 11217

Alteration filing · status dated Sep 25, 2026

Current record
Approved
Proposed scale
4 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 B01153247-S1 as a alteration filing at 123 St Marks Avenue, Brooklyn, NY 11217. Its latest published status category is Approved, dated Sep 25, 2026. The filing records 4 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
Sep 25, 2026
Proposed scale
4 proposed stories and 2 proposed dwelling units
The building, not the filingEvery filing at BIN 3028074, with the parcel and violation recordApplicant of recordSee the 90 filings that name Sa-da Architecture
FiledMar 28, 2025
Current recordApproved
Proposed scale4 stories
Recorded cost$21,500

What the filing says

A public-record reading of the proposed work.

Plumbing work to the basement, 1st, and 2nd floors of a four story two family building. alterations to consist of new, removed, and replaced plumbing fixtures. no change to zoning, use, egress, or occupancy under this application.

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 walk-up apartment building built in 1872, with 3 homes, on a 3,092 sq ft lot.

Built
1872
Floors
3
Residential units
3
Building type
Walk-up apartment building
Land use
Walk-up apartments
Zoning district
R6B
Lot area
3,092 sq ft
Building area
2,935 sq ft
Historic district
Prospect Heights Historic District

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 30, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B01153247-S1.

    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

For scale: half of DOB filings are permitted within 21 days of being filed and a quarter take longer than 4 months, measured across 73,707 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
B01153247-S1
BBL
3011430067
Review type
Standard Plan Examination
Existing stories
4
Proposed stories
4
Existing dwelling units
2
Proposed dwelling units
2

Nearby records

Other verified filings in this part of the city.