David Liston Investigative Services | Liston and Associates

Experienced, licensed Tacoma investigators providing surveillance expertise and asset profiling to legal professionals.

Trusted Tacoma P.I. providing outstanding results for law firms and private clients since 2007.

DLIS specializes in the following areas:

Other services include

  • Contract Compliance Investigations

  • Accident and Evidence Photography

  • Extreme Skips - Asset Recovery Investigations

  • Court Records Research and Background Checks

  • Video Depositions and Interviews

  • Security Vulnerability Assessments


    Search Liston Investigative Services:

    "Available, hard-working, insightful, generous with his time, cheerful, truly enjoys his work, gets the job  done…self-starter…"

    -Ed Harper of Harper Law describes working with David Liston Investigative Services.

    “David Liston is first rate and charges reasonable fees... I have utilized his services many times in the last few years for judgment collection, with great success.”

    -Bill K.; Lawyer, Edmonds, WA

    (more testimonials and references here)

    Let's discuss how we can help you at (253) 212-0544, or please use the contact form to arrange a convenient time for Dave to call you.

    Email inquiries are welcome.

    Click here for your free consultation.

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    Complete professional reports from your Tacoma Investigator

    David Liston Investigative Services.

    "The investigator P.I.'s hire"

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