Brooklyn · Flatlands · Public building report

3420 Avenue H, Brooklyn

3420 Avenue H is a 6-story, 360-unit residential co-op in Flatlands. NYC public records show 27 DOB complaints, 141 DOB violations, 723 HPD violations and 25 bedbug filings associated with the building. The most recent DOB complaint was filed October 4, 2026. Public sale records were identified for 58 units.

This building is the 8th most valuable building in Flatlands and the 17,232nd in New York. It ranks in the top 1% for DOB complaints, top 1% for DOB violations and top 1% for HPD violations.

This building does have a record of bedbugs, as recently as 2024.

Public records

• DOB complaints 27
• DOB violations 141
• HPD violations 723
• Bedbug reports 25
• 311 requests 0
• Residential units 69 $12,054,381 last recorded sales