Effective January 1, 2026, fees that the Office of the State Fire Marshal charges shall be increasing. Also, updates to the Delaware State Fire Prevention Regulations will be in effect. For more information on these 2026 updates please click here More Info

State fire investigators throughout the State comprise this highly skilled team driven to find the origin and cause of all fatal fires and fires involving large losses in the State. Personnel on this team are selected by the DE State Fire Marshal and have extensive experience in the investigation of fires and explosions. The MIRT members dedicate many of their off hours to responding to and solving complex investigations.