Criminal Defense

First degree arson in Colorado

First degree arson is Colorado's most serious fire charge. It applies when someone knowingly burns another person's building or occupied structure without consent, whether by fire or by explosive. The information here applies as of August 16, 2026.

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This page is general information about Colorado law, not legal advice about your case. The law changes; for advice on your situation, talk to us.

Plain answers

Common questions.

No. An occupied structure is any place used or likely to be used for human occupancy. A home or business can qualify even if it was empty when the fire started. What matters is the kind of place it is, not whether anyone was present.

First degree arson requires knowing conduct. A fire caused by carelessness is not first degree arson, although prosecutors sometimes file the charge anyway and let the fight happen in court. How the fire started, and what the evidence actually shows about intent, is often the center of the defense.

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