Alteration filingSep 8
DOB filing B01363954-P2
Alteration filing at 8310 21 Avenue
Approved4 proposed stories
Open filing Building record · BIN 3165232
8310 21 Avenue
8310 21 Avenue, Brooklyn, NY 11214
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 3 independently sourced records, including 3 that are not recorded as completed, closed or withdrawn.
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BUILDING RECORD · BIN 3165232
8310 21 Avenue
Bensonhurst, Brooklyn
A consolidated public-record view · updated Sep 8, 2026
- DOB filings
- 3
- Active-status
- 3
- Recorded addresses
- 1
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings3
Open or active-status records3
First included filingFeb 26, 2026
Latest recorded changeSep 8, 2026
The lot
What is already here?
The lot holds a 4-story educational building built in 1909, on a 60,000 sq ft lot.
- Built
- 1909
- Last altered
- 2009
- Floors
- 4
- Residential units
- 0
- Building type
- Educational building
- Land use
- Public facilities and institutions
- Zoning district
- R5
- Lot area
- 60,000 sq ft
- Building area
- 110,000 sq ft
Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 12, 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 8 open notices on record for this building, out of 47 notices on file; the most recent was issued Dec 16, 2024.
- Immediate
Issued Dec 16, 2024 — INSTALL APPROXIMATELY 50 LINEAR FEET OF SIDEWALK SHED TO SAFEGUARD THE PUBLIC AND ENCLOSE POTENTIAL DEBRIS FALL ZONE
- Construction
Issued Dec 13, 2024 — AT TIME OF INSPECTION OBSERVED STUCCO/DEBRIS FALLING FROM ADJACENT PROPERTY (2045 84 STREET) ONTO SCHOOL PLAYGROUND AT EXPOSURE#2 OF PROPERTY. DUE TO DEBRIS FALLING FROM ADJACENT PROPERTY, EXPSOURE#2 OF SCHOOL PLAYGROUND AREA MUST BE VACATED.
- Local law 62/91 - boilers
Issued Aug 16, 1993
5 further open notices are on file. Open the source dataset for the full list.
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 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 3165232. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 3 alteration filing. Its latest status categories are 2 approved, 1 under review. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Feb 26, 2026
- Latest recorded change
- Sep 8, 2026
- Highest proposed story count
- 4 stories
- 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.
Address alerts
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Recorded history
What has happened at this address?
Every dated event the city has published for this building, from all 3 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.
- Alteration filed01
P.S. 721-K: Subsequent filing of Structural & Foundation work types. Structural work related to support enlarged masonry openings. Concrete work related to support plumbing work in cellar level. Filing B01363954-S1.
- Alteration approved02
Filing B01363954-S1 reached an approved status.
- Alteration filed03
P.S. 721-K: Subsequent filing of Structural & Foundation work types. Structural work related to support enlarged masonry openings. Concrete work related to support plumbing work in cellar level. Filing B01363954-P2.
- Alteration filed04
P.S. 721K: Subsequent filing of plumbing work type. Plumbing and drainage improvement work, including separation of storm piping from the sanitary in the building, cut and cap existing underground. storm piping and installation of a new one in the ceiling. Filing B01363954-P3.
- Alteration approved05
Filing B01363954-P2 reached an approved status.
- Alteration now approved06
The latest status recorded for B01363954-P2 is “Approved.”
- Alteration now under review07
The latest status recorded for B01363954-P3 is “Objections.”
- Alteration now approved08
The latest status recorded for B01363954-S1 is “Approved.”