CALIFORNIA & ARIZONA

Origin and Cause
Fire Investigation

Comprehensive investigation services including Fire Origin & Cause, Litigation & Subrogation Support, In-House Laboratory Testing, Evidence Retention, and Ignitable Liquid Detection K9s. Same-day response available throughout California and Arizona.

Whether you manage claims, own property, or handle legal matters, finding the true cause of a fire is critical. Our expert investigations provide clear, science-based answers to support informed decisions and protect your interests.

Advanced In-House Laboratory Capabilities

We are Committed to
Delivering
Exceptional Results  Quick Response 

Our team brings decades of investigative experience, advanced technology, and meticulous analysis together to uncover the truth, deliver actionable results, and provide findings that stand up in court and drive informed decisions.

Advanced In-House Laboratory Capabilities

Digital X-ray imaging, high-resolution microscopy, and vehicle inspection facilities eliminate delays and provide comprehensive evidence analysis under one roof.

Ignitable Liquid Detection Canines

Our expertly trained detection canines identify even the smallest traces of ignitable liquids. Their on-scene support, provided at no additional cost, uncover evidence that is far beyond what humans alone are capable of.

Proven Results in Court

With a track record of winning results, our investigators deliver powerful testimony and precise documentation that stand up in court and drive successful claim resolutions.

Hear Directly
From Real Clients.

Why Choose Us

Our comprehensive capabilities ensure faster results, stronger evidence, and successful claim outcomes.

When fire investigations determine liability for millions of dollars in claims, accuracy isn’t optional—it’s essential. Insurance companies and attorneys across California and Arizona trust Reliant Investigations because we deliver the scientific evidence and expert testimony needed to make confident claim decisions. Our comprehensive approach combines advanced in-house laboratory capabilities, certified and extensively skilled investigators, and ignitable liquid detection services that competitors simply cannot match.

Unlike investigation firms that rely on third-party laboratories and outsourced services, we maintain complete control over your evidence from scene examination through final reporting. Our certified and extensively skilled investigators have established a proven track record in legal proceedings, ensuring that every case is thoroughly documented and defensible. With over 700 claims investigated annually and strategic licensing in key markets, we provide the reliability and expertise that insurance professionals demand.

Areas We Serve

At Reliant Investigations, we are proud to service both California and Arizona.

California Statewide Coverage

Licensed throughout California, including: 

  • Los Angeles
  • San Francisco
  • Sacramento
  • San Diego
  • Fresno
  • San Jose
  • Oakland
  • Lake Tahoe
  • Redding
  • Bay Area

We also serve all other counties across California.

Arizona Investigation Services

Full service coverage throughout Arizona with rapid response capabilities and local expertise.

Specialized Jurisdictions

Federal court testimony and expert witness services are available nationwide for complex litigation matters.

Contact Us Today to
Request Fire Investigation Services

When your fire investigation cases demand accuracy, advanced technology, and expert witness capabilities, trust the team that insurance companies rely on across California and Arizona. Our comprehensive approach delivers the scientific evidence and courtroom testimony you need for confident claim decisions.

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