The Harris County Fire Marshal’s Office Investigations Division is responsible for fire, arson and explosion investigations in unincorporated Harris County. We have 25 investigators, which include one division chief and five supervisors.

Investigators respond 24 hours a day.

HCFMO investigators coordinate with the Harris County District Attorney’s Office
regarding criminal charges.

Investigator Duties
  • Origin and Cause determination
  • Crime scene examinations
  • Forensic photography
  • Forensic evidence collection
  • Accelerant K9 detection
  • Post Blast investigation
  • Insurance Fraud Investigation
  • Electrocution Death Investigation
  • Firearms Training
  • Tactical Training
  • Public Information Assistance
  • Wildland Liaison Officers

Our investigators respond to calls for service from fire, police and other municipal and government agencies to investigate fires for origin and cause.

Harris County Fire Marshal investigators are certified through the Texas Commission on Fire Protection and the Texas Commission on Law Enforcement. Fire Marshal Investigators are certified Peace Officers.

We provide investigative services for over 56 fire departments in the area of Harris County.

To submit an Arson Tip, call the 24hr Houston Crime Stoppers Hotline at (713) 222-8477 or visit

All tips remain anonymous.

For information on how to request copies of fire reports, please visit our Records Page.
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