New buildingOct 27
DOB filing B01434691-S1
New building at 447 Prospect Avenue
Under review10 proposed stories
Open filing Building record · BIN 3430548
441 Prospect Avenue
441 Prospect Avenue, Brooklyn, NY 11215
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 5 independently sourced records, including 5 that are not recorded as completed, closed or withdrawn.
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BUILDING RECORD · BIN 3430548
441 Prospect Avenue
Windsor Terrace-South Slope, Brooklyn
A consolidated public-record view · updated Oct 27, 2026
- DOB filings
- 5
- Active-status
- 5
- Recorded addresses
- 2
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings5
Open or active-status records5
First included filingJun 29, 2026
Latest recorded changeOct 27, 2026
The lot
What is already here?
The lot holds a 1-story warehouse built in 1965, on a 23,438 sq ft lot.
- Built
- 1965
- Floors
- 1
- Residential units
- 0
- Building type
- Warehouse
- Land use
- Industrial and manufacturing
- Zoning district
- R7A
- Lot area
- 23,438 sq ft
- Building area
- 4,200 sq ft
What it sold for
The property itself last changed hands for $55,000,000 on Sep 25, 2026.
Recorded sale prices from the Department of Finance’s rolling file, covering the year to Sep 30, 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.
Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Oct 30, 2026. They describe the tax lot, not any single filing. When the rest of New York went up
Violation record
Are there open violations here?
The Department of Buildings has 1 open notice on record for this building, out of 1 notice on file; the most recent was issued Feb 16, 2012.
- Construction
Issued Feb 16, 2012
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 29, 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 3430548. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 4 new building, 1 alteration filing. Its latest status categories are 4 under review, 1 approved. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Jun 29, 2026
- Latest recorded change
- Oct 27, 2026
- Highest proposed story count
- 10 stories
- Highest proposed unit count
- 99 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 5 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.
- Alteration filed01
Proposed 8ft construction fence. no change to use, egress or occupancy under this application. Filing B01422675-I1.
- Alteration approved02
Filing B01422675-I1 reached an approved status.
- New building filed03
MPP #638 - Building A Proposed ten-story mixed-use building. Filing B01434691-I1.
- New building filed04
Structural work-type filed in conjunction with new ten-story buliding. Filing B01434691-S4.
- New building filed05
Foundation and Earthwork work-types filed in conjunction with 10-story new building. Filing B01434691-S3.
- New building now under review06
The latest status recorded for B01434691-S4 is “Objections.”
- New building now under review07
The latest status recorded for B01434691-S3 is “Objections.”
- New building now under review08
The latest status recorded for B01434691-I1 is “Objections.”
- Permit recorded for alteration09
DOB lists a first permit date for B01422675-I1. That is not by itself confirmation of activity on site.
- Alteration now approved010
The latest status recorded for B01422675-I1 is “Permit Entire.”
- New building filed011
Support of Excavatoin (SOE) for the construction of a new ten-story building. Filing B01434691-S1.
- New building now under review012
The latest status recorded for B01434691-S1 is “Pending Plan Examiner Assignment.”