Alteration filingAug 31
DOB filing B01440148-I1
Alteration filing at 850 3 Avenue
Approved$100 recorded cost
Open filing Building record · BIN 3009889
850 3 Avenue
850 3 Avenue, Brooklyn, NY 11232
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 2 independently sourced records, including 1 that are not recorded as completed, closed or withdrawn.
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings2
Open or active-status records1
First included filingFeb 19, 2021
Latest recorded changeAug 31, 2026
The lot
What is already here?
The lot holds a 8-story warehouse built in 1920, on a 153,191 sq ft lot.
- Built
- 1920
- Last altered
- 2019
- Floors
- 8
- Residential units
- 0
- Building type
- Warehouse
- Land use
- Industrial and manufacturing
- Zoning district
- M3-1
- Lot area
- 153,191 sq ft
- Building area
- 1,112,855 sq ft
Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 3, 2026. They describe the tax lot, not any single filing.
Violation record
Are there open violations here?
No open violations are recorded for this building. 87 notices are on file, all with a recorded resolution.
A violation is a notice the Department of Buildings recorded against the building. It is not a judgment, and many concern paperwork rather than safety. Open means the agency has not recorded a resolution, which is not the same as the problem still existing. From NYC Department of Buildings, DOB Violations (3h2n-5cm9), accessed Sep 2, 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 3009889. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 2 alteration filing. Its latest status categories are 1 approved, 1 recorded as completed. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Feb 19, 2021
- Latest recorded change
- Aug 31, 2026
- Highest proposed story count
- Not stated
- Highest proposed unit count
- Not stated
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 2 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.
- Alteration filed01
Modification to mechanical system filed herewith in conjunction with alt 2 b00454248. Filing B00441898-I1.
- Alteration approved02
Filing B00441898-I1 reached an approved status.
- Permit recorded for alteration03
DOB lists a first permit date for B00441898-I1. That is not by itself confirmation of activity on site.
- Alteration signed off04
DOB recorded a sign-off for B00441898-I1.
- Alteration now completed05
The latest status recorded for B00441898-I1 is “LOC Issued.”
- Alteration filed06
Update certificate of compliance only, to refelct correct a/c unit specs as per approved plan on job #b01242735-s1. Filing B01440148-I1.
- Alteration approved07
Filing B01440148-I1 reached an approved status.
- Permit recorded for alteration08
DOB lists a first permit date for B01440148-I1. That is not by itself confirmation of activity on site.
- Alteration now approved09
The latest status recorded for B01440148-I1 is “Permit Entire.”