Bronx Castle Hill-Unionport Public building report
2231 Blackrock Avenue, Bronx
2231 Blackrock Avenue is a 2.5-story, 2-unit residential building in Castle Hill-Unionport. NYC public records show 8 DOB complaints and 2 DOB violations associated with the building. The most recent DOB complaint was filed April 12, 2026.
This building has 6 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.
- 2230 Cross Bronx Expressway
- 2232 Cross Bronx Expressway
- 2234 Cross Bronx Expressway
- 2230 East 177 Street
- 2232 East 177 Street
- 2234 East 177 Street
This building ranks in the top 5% for DOB complaints and top 8% for DOB violations.
Public records
- DOB complaints 8
- DOB violations 2
- HPD violations 0
- Bedbug reports 0
- 311 requests 0
- Residential units 0
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