RCW 18.165 - Private Investigators
The law that governs PI licensing in Washington - who can operate, what standards apply, and what's required.
Last updated: March 12, 2026
Washington Law and Evidence Compliance
Lawful family-law investigation work starts with understanding the boundaries. Privacy, recording, licensing, and evidence rules are part of protecting your case, not slowing it down.
RCW 9.73.030 - Recording Law
Washington's two-party consent rule for recording private conversations. This is why we don't record calls without proper authorization.
RCW 26.09 - Dissolution
The core statute for divorce, support, and family-law proceedings in Washington - the legal framework most of our investigations connect to.
RCW 26.09.191 - Parenting Restrictions
The statute that addresses parenting plan restrictions when domestic violence, abuse, neglect, or substance abuse is involved. This is often relevant to our custody and guardianship investigations.
Need help understanding the legal boundaries?
If you want to understand how the governing law affects your specific situation before you commit, ask directly during intake.
Washington Law and Evidence FAQ
Does Washington require two-party consent for recording?
Yes. Under RCW 9.73.030, Washington requires the consent of all parties to record a private conversation. Investigation methods are planned around this boundary from the start.
What licensing does a private investigator need in Washington?
Washington requires a Private Investigator License issued by the Department of Licensing under RCW 18.165. This includes background checks, insurance, and continuing education requirements.
Can investigation evidence be used in Washington family court?
Yes, when collected lawfully. Evidence must comply with Washington Rules of Evidence and applicable privacy statutes. Proper chain of custody and documentation are essential for admissibility.
What types of records can a private investigator access in Washington?
Investigators can access public records, court filings, property records, and certain databases. Access to sealed, medical, or protected records requires proper legal authorization such as a court order.