Brooklyn Sunset Park (East)-Borough Park (West) Public building report
4123 9 Avenue, Brooklyn
4123 9 Avenue is a 4-story, 38-unit residential building in Sunset Park (East)-Borough Park (West). NYC public records show 12 DOB complaints, 3 DOB violations, 593 HPD violations and 8 bedbug filings associated with the building. The most recent DOB complaint was filed July 6, 2026.
This building has 11 alternative addresses. NYC often lists more than one street address for the same building. Corner lots, multiple street frontages, and official aliases in city address files all map to one BIN.
- 901 42 Street
- 903 42 Street
- 905 42 Street
- 907 42 Street
- 909 42 Street
- 911 42 Street
- 4113 9 Avenue
- 4115 9 Avenue
- 4117 9 Avenue
- 4119 9 Avenue
- 4121 9 Avenue
This building ranks in the top 7% for DOB complaints, top 17% for DOB violations and top 1% for HPD violations.
This building does have a record of bedbugs, as recently as 2018.
Public records
- DOB complaints 12
- DOB violations 3
- HPD violations 593
- Bedbug reports 8
- 311 requests 0
- Residential units 0
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