None of the classifications are minor charges, as they are all considered felonies. Third-degree burglary is a class 4 felony with a minimum 18-month jail term. Second-degree burglary is a class 3 felony with a minimum 30-month jail term.
First-degree burglary is a class 2 felony with a minimum sentence of four years when committed against a residential structure. When the premises is nonresidential or a fenced-in area, it is a class 3 felony with a minimum 30-month prison term. In severe cases, you could be sentenced to 10 years for first-degree burglary. In certain cases, being caught in possession of the tools of burglary is deemed to be a class 6 felony and can result in a minimum four-month jail sentence.