DOB violation type · code UB
Unsafe Buildings
14,205 violations of this type are in the public record, the earliest from 1967. 1,858 are open now.
Open now
1,858
Closed
12,347
All time
14,205
What this type means
An unsafe buildings case: DOB found the structure or part of it dangerous, the most serious finding in its inventory.
How it gets cleared
Make the building safe under DOB supervision, through repair or demolition as ordered, and resolve the case in the agency's unsafe buildings process.
Open UB violations by borough
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Counts refresh hourly from NYC Open Data. Last computed 8/5/2026, 2:27:46 PM ET.