Brooklyn Williamsburg Public building report
405 Union Avenue, Brooklyn
405 Union Avenue is a 5-story, 48-unit mixed-use building in Williamsburg. NYC public records show 41 DOB complaints, 50 DOB violations, 23 HPD violations and 5 bedbug filings associated with the building. The most recent DOB complaint was filed July 30, 2025.
This building has 12 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.
- 65 Ainslie Street
- 67 Ainslie Street
- 69 Ainslie Street
- 71 Ainslie Street
- 452 Keap Street
- 407 Union Avenue
- 409 Union Avenue
- 411 Union Avenue
- 413 Union Avenue
- 415 Union Avenue
- 417 Union Avenue
- 419 Union Avenue
This building ranks in the top 4% for DOB complaints, top 4% for DOB violations and top 21% for HPD violations.
This building has a clean bill of health with no bedbugs found across 5 filings over 5 years.
Public records
- DOB complaints 41
- DOB violations 50
- HPD violations 23
- Bedbug reports 5
- 311 requests 0
- Residential units 0
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