class,severity,definition,violations_2025,share_of_year
C,"Immediately hazardous","Conditions the city treats as requiring immediate correction, such as no heat or hot water, lead paint hazards, or vermin infestation.",281145,"32.4 percent"
B,Hazardous,"Conditions that are hazardous but not immediately so, such as inadequate lighting in public areas or a defective fire escape.",375479,"43.2 percent"
A,"Non hazardous","The least serious class, covering conditions that must be corrected but do not present a hazard.",211821,"24.4 percent"