NYC DOB record · B01248414-I1

1139 Prospect Avenue

1139 Prospect Avenue, Brooklyn, NY 11218

Alteration filing in Windsor Terrace-South Slope, 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 Aug 29, 2026 · Verify the source row

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NYC DOB RECORD · B01248414-I1

1139 Prospect Avenue

Brooklyn, NY 11218

Alteration filing · status dated Aug 26, 2026

Current record
Recorded as completed
Proposed scale
4 stories
Dwelling units
55
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 B01248414-I1 as a alteration filing at 1139 Prospect Avenue, Brooklyn, NY 11218. Its latest published status category is Recorded as completed, dated Aug 26, 2026. The filing records 4 proposed stories and 55 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
Aug 26, 2026
Proposed scale
4 proposed stories and 55 proposed dwelling units
The building, not the filingwhat it sold for and every filing at BIN 3121848
FiledJul 16, 2025
Current recordRecorded as completed
Proposed scale4 stories
Recorded cost$144,000

What the filing says

A public-record reading of the proposed work.

Interior renovation of apartment #2-e at second floor new sheetrock, re-lamination of walls, finish flooring, new interior doors, and new tiles. no change in use, egress or occupancy

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 condominium built in 1990, with 55 homes, on a 33,476 sq ft lot.

Built
1990
Floors
4
Residential units
55
Building type
Condominium
Land use
Walk-up apartments
Zoning district
R5B
Lot area
33,476 sq ft
Building area
46,664 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 1, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

The Department of Buildings has 19 open notices on record for this building, out of 77 notices on file; the most recent was issued Jun 30, 2023.

  • Low pressure boiler

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

  • Low pressure boiler

    Issued Jun 30, 2023 — VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION

  • Low pressure boiler

    Issued Jun 30, 2023 — VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION

  • 16 further open notices are on file. Open the source dataset for the full list.

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 B01248414-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 66,747 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
B01248414-I1
BBL
3052567501
Review type
Professional Certification
Existing stories
4
Proposed stories
4
Existing dwelling units
55
Proposed dwelling units
55
General construction