Offices Closed for Thanksgiving Holiday: All county offices will be closed on Thursday, Nov. 23, and Friday, Nov. 24, for the holiday. This includes parks offices, public works, courts and all other administrative offices. Offices will re-open Monday, Nov. 27.

Fire Investigations

The Collin County Fire Marshal's Office performs fire investigations, explosive investigations and hazardous spills investigations throughout unincorporated Collin County. However, if the fire is suspect in nature, we are limited on what information can be released.

For further information, please select from the following:

Curious Children & Fire
Juvenile Fire Setter