Alteration filingSep 24
DOB filing B01444237-I1
Alteration filing at 399 Knickerbocker Avenue
Approved3 proposed stories
Open filing Building record · BIN 3074472
399 Knickerbocker Avenue
399 Knickerbocker Avenue, Brooklyn, NY 11237
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 The current snapshot links 1 independently sourced records, including 1 that are not recorded as completed, closed or withdrawn.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 3074472
399 Knickerbocker Avenue
Bushwick (West), Brooklyn
A consolidated public-record view · updated Sep 24, 2026
- DOB filings
- 1
- Active-status
- 1
- Recorded addresses
- 1
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings1
Open or active-status records1
First included filingSep 23, 2026
Latest recorded changeSep 24, 2026
The lot
What is already here?
The lot holds a 3-story store building built in 1931, on a 12,500 sq ft lot.
- Floors 2–3Nothing on record
- Floor 1Street levelStreet level. The lot is recorded as mixed residential and commercial, so this floor is where the commercial space is.
- Street levelMixed residential and commercial
- Above the southern skylineFrom about floor 6 — the tallest thing within 60 m to the south is 16.8 m
- Built
- 1931
- Last altered
- 1992
- Floors
- 3
- Residential units
- 0
- Building type
- Store building
- Land use
- Mixed residential and commercial
- Zoning district
- C4-3
- Lot area
- 12,500 sq ft
- Building area
- 42,500 sq ft
The apartments
12 condominium apartments are assessed on this block, and the typical one is 789 sq ft (73 m²). They run from 70 to 100 m².
The city values the typical one at $223,526. That is the Department of Finance’s market valuation for tax, not an asking price and not a sale.
Owner of record
MUNDRA 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.
Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 26, 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 32 notices on file; the most recent was issued Aug 16, 1993.
- Local law 62/91 - boilers
Issued Aug 16, 1993
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 26, 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 3074472. 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
- Sep 23, 2026
- Latest recorded change
- Sep 24, 2026
- Highest proposed story count
- 3 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.
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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.
- Alteration filed01
Interior renovation of existing gym on the first, second, and third floor. no change in occupancy, use or egress. Filing B01444237-I1.
- Alteration approved02
Filing B01444237-I1 reached an approved status.
- Alteration now approved03
The latest status recorded for B01444237-I1 is “Approved.”