RCW 18.165 - Private Investigators
Washington’s private-investigator licensing law sets requirements for investigators and agencies. Check the license that applies to the person or agency you plan to hire.
Last updated:
Washington Law and Evidence Compliance
Before you record a conversation, share an account or ask someone to collect evidence, establish what access is lawful. Washington’s licensing, privacy and evidence rules shape the work we can undertake and the material your attorney can consider for your case.
RCW 9.73.030 - Recording Law
Washington requires all parties’ consent to record a private conversation under this statute. We review recording authority before including audio in an investigation.
RCW 26.09 - Dissolution
This chapter addresses dissolution, support and related family-law proceedings in Washington. Your attorney can explain how it applies to the issues you need documented.
RCW 26.09.191 - Parenting Restrictions
This statute addresses parenting-plan restrictions involving concerns such as domestic violence, abuse, neglect or substance abuse. These concerns may also arise in custody and guardianship investigations; legal advice is needed to determine how the statute applies.
Discuss the method before collecting evidence
Tell us what you want to document and how you obtained any material you already have. We can explain the limits on our investigative work; an attorney should advise you about your legal rights and the use of evidence.
Planning lawful work in Washington
The same Washington privacy and licensing requirements apply when work crosses county lines or stays within Tacoma and Pierce County. A password, a client’s request or attorney involvement alone does not authorize collection from another person’s private account. Recording consent, access to stored information and courtroom admissibility must each be considered before collection.
Describe the records, accounts or observations you think may help during a Washington consultation or Tacoma consultation. Include any court order that could restrict the work.
Washington Law and Evidence FAQ
Does Washington require two-party consent for recording?
Yes. RCW 9.73.030 requires the consent of all parties to record a private conversation. We plan any proposed recording around that requirement before work begins.
What licensing does a private investigator need in Washington?
Washington regulates private investigators and agencies under RCW 18.165. Individual and agency requirements differ. Verify the authority applicable to the work through the Department of Licensing; a license does not create access to restricted records or guarantee admissibility.
Can investigation evidence be used in Washington family court?
Possibly. How the material was collected, its source and its handling history matter. We document those facts for review; your attorney assesses presentation, and the court decides whether the evidence is admissible.
What types of records can a private investigator access in Washington?
Public records, court filings, property records and certain authorized databases may be available. Sealed, medical and other protected records require proper legal authorization, such as an applicable court order. A PI license alone does not provide that access.