Brooklyn Williamsburg Public building report
503 Union Avenue, Brooklyn
503 Union Avenue is a 5-story, 24-unit mixed-use building in Williamsburg. NYC public records show 12 DOB complaints, 13 DOB violations, 4 HPD violations and 6 bedbug filings associated with the building. The most recent DOB complaint was filed August 10, 2025.
This building has 7 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.
- 501 Union Avenue
- 505 Union Avenue
- 507 Union Avenue
- 509 Union Avenue
- 511 Union Avenue
- 513 Union Avenue
- 515 Union Avenue
This building ranks in the top 20% for DOB complaints, top 23% for DOB violations and top 52% for HPD violations.
This building has a clean bill of health with no bedbugs found across 6 filings over 6 years.
Public records
- DOB complaints 12
- DOB violations 13
- HPD violations 4
- Bedbug reports 6
- 311 requests 0
- Residential units 0
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