Brooklyn Park Slope Public building report
401 9 Street, Brooklyn
401 9 Street is a 2-story, 1-unit building in Park Slope. NYC public records show 4 DOB complaints and 19 DOB violations associated with the building. The most recent DOB complaint was filed October 10, 2025.
This building has 2 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.
- 399 9 Street
- 403 9 Street
This building ranks in the top 20% for DOB complaints and top 5% for DOB violations.
Public records
- DOB complaints 4
- DOB violations 19
- HPD violations 0
- Bedbug reports 0
- 311 requests 0
- Residential units 0
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