Class of Violation
In NYC, every violation gets a class number. Class 1 is the most serious and dangerous, Class 2 is medium, and Class 3 is minor. A higher class number does not mean more danger; Class 1 is the worst.
The inspector decides the class when writing the violation. The class affects how fast you must fix it and how high the fines can be.
Three main classes (for DOB/OATH summons)
Class 1 – “immediately hazardous”
Very dangerous condition, can hurt people or damage property now; must be fixed right away, often highest penalties.
Class 2 – “major / hazardous”
Serious problem, but not as urgent as Class 1; still must be corrected quickly and can bring strong fines.
Class 3 – “lesser / non‑hazardous”
Lower‑risk or mostly paperwork issues; does not threaten life or safety right now but still must be corrected.
Related terms
Some glossary entries use an asterisk * at the end of the term (for example, violation* or permit*). This mark is only a technical tool on this website. It does not change the meaning of the word.
- violation
- civil penalties
- infraction
- assesment
- inspector
- administative judges
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