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Building record · BIN 3024832

851 Carroll Street

851 Carroll Street, Brooklyn, NY 11215

A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 1 independently sourced records, including 1 that are not recorded as completed, closed or withdrawn.

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BUILDING RECORD · BIN 3024832

851 Carroll Street

Park Slope, Brooklyn

A consolidated public-record view · updated Sep 9, 2026

DOB filings
1
Active-status
1
Recorded addresses
1
Building data portrait

A building-level summary of matched filings, active-status records and published identifiers.

Matched filings1
Open or active-status records1
First included filingMay 11, 2022
Latest recorded changeSep 9, 2026

The lot

What is already here?

  1. Floors 2–5Nothing on record
  2. Floor 1Street levelStreet level.
  • Street levelThe way in
  • Above the southern skylineFrom about floor 6 — the tallest thing within 60 m to the south is 16.5 m
Drawn from the outline and roof height the Department of City Planning publishes for this building: 16.4 m over about 5 floors, counted at three metres each because the city publishes the height and not the number. 1 run of floors has something on record. The city publishes a roof height and a storey count for the lot, and nothing at all about any individual floor. What stands to the south is measured from the city’s own footprints and roof heights; it is a statement about the skyline, not a calculation of sunlight.

The apartments

54 condominium apartments are assessed on this block, and the typical one is 1,081 sq ft (100 m²). They run from 43 to 246 m².

The city values the typical one at $500,566. That is the Department of Finance’s market valuation for tax, not an asking price and not a sale.

What it sold for

7 apartments on this tax block changed hands in the year the city last published, at a median of $1,675,000, from 645,000 to 2,672,906.

Recorded sale prices from the Department of Finance’s rolling file, covering the year to Aug 31, 2026. Transfers under $10,000 are left out: New York records deed transfers between relatives at a dollar, and those are not sales. No apartment number and no name is carried from either side.

Owner of record

111-115 APT CORP

As the assessment roll records it. Only owners that read as a company are shown here; where the roll names an individual, nothing is published.

Violation record

Are there open violations here?

The Department of Buildings has 3 open notices on record for this building, out of 6 notices on file; the most recent was issued Nov 14, 2025.

  • Low pressure boiler

    Issued Nov 14, 2025 — VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION

  • Low pressure boiler

    Issued Sep 23, 2024 — VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION

  • Low pressure boiler

    Issued Apr 25, 2023 — VIOLATION ISSUED-FAILURE TO FILE 2022 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 Sep 14, 2026.

What is recorded here

Multiple filings, one stable building identifier.

New York City's Building Identification Number helps connect filings that may use different application numbers or describe different scopes of work. The records below are grouped because they publish BIN 3024832. They should not be read as a single construction project unless the underlying filings say so.

The matched set includes 1 alteration filing. Its latest status categories are 1 approved. Each filing page preserves its own status, dates, scope and source identifier.

First included filing
May 11, 2022
Latest recorded change
Sep 9, 2026
Highest proposed story count
5 stories
Highest proposed unit count
5 dwelling units

Highest recorded values may come from different filings and must not be combined into one proposed project. Open the individual filings below for their exact scope. Values outside the publication's conservative data-quality bounds are withheld pending source review.

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Recorded history

What has happened at this address?

Every dated event the city has published for this building, from all 1 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.

  1. Alteration filed

    Plumbing work associated with interior renovation of existing residential building and combination of apartments per TPPN 3/97. Total number of apartments to be reduced from 10 to 5. Remove existing boiler. No change to use, egress, and occupancy. Filing B00717094-S1.

    01
  2. Alteration approved

    Filing B00717094-S1 reached an approved status.

    02
  3. Permit recorded for alteration

    DOB lists a first permit date for B00717094-S1. That is not by itself confirmation of activity on site.

    03
  4. Alteration now approved

    The latest status recorded for B00717094-S1 is “Permit Entire.”

    04

Matched DOB filings

All included filings for this building.

Each card opens a distinct official-source filing. Statuses reflect the current Street Futures snapshot, accessed Sep 22, 2026; this list should not be treated as a complete title or permit search.

Keep reading

Where this building sits.

Neighborhoods

Park Slope

Streets

Carroll Street

Postal codes

11215

Applicants of record

Dka Consulting P.C.