Brooklyn Park Slope Public building report
511 9 Street, Brooklyn
511 9 Street is a 4-story, 9-unit mixed-use building in Park Slope. NYC public records show 13 DOB complaints, 12 DOB violations, 71 HPD violations and 8 bedbug filings associated with the building. The most recent DOB complaint was filed August 7, 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.
- 819 8 Avenue
- 821 8 Avenue
- 509 9 Street
- 513 9 Street
- 515 9 Street
- 517 9 Street
This building ranks in the top 6% for DOB complaints, top 8% for DOB violations and top 4% for HPD violations.
This building has a clean bill of health with no bedbugs found across 8 filings over 8 years.
Public records
- DOB complaints 13
- DOB violations 12
- HPD violations 71
- Bedbug reports 8
- 311 requests 0
- Residential units 0
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