Open ViolationsA public record project
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Guides

Plain-language explanations of the records on this site: what each violation class means, which agency does what, what a Local Law filing is, and what a tenant or owner can actually do next. 17 guides. Plain English, not legal advice.

All guides (17)Violations 101 (5)Lookups (3)By agency (2)Local Laws (2)For tenants (3)For landlords (2)

Violations 101

Start here (5 guides)
What is an HPD Class C violation?Immediately hazardous conditions, the short correction clock, and what certification actually means.2 min · updated July 2026HPD Class A and B violations, for tenantsThe two lower classes get less attention than Class C, but Class B is where most livability problems sit.2 min · updated August 2026How to read an HPD violation noticeEvery field on a Notice of Violation, what it controls, and where the same record shows up publicly.2 min · updated August 2026What happens when a violation is never curedViolations do not expire. The slow machinery that catches up with them: penalties, emergency repairs, liens, AEP, and default judgments.2 min · updated August 2026Complaint vs violation: what's the difference?One is an allegation, the other is a finding. Confusing them is the fastest way to misread a building.2 min · updated August 2026

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