Law Office of Derek R. Ewin

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    Criminal Defense

    Walnut Creek, CA

    The Law Office of Derek R. Ewin is a criminal defense firm in Walnut Creek, California, serving the San Francisco Bay Area since 2005. Attorney Derek R. Ewin is a former prosecutor with over 32 years of experience in county prosecutor offices and has tried more than 100 criminal cases. The firm handles DUI/drunk driving, felonies, misdemeanors, domestic violence, weapons charges, drug crimes, gang cases, homicide, juvenile crimes, theft, fraud, and other serious criminal matters at any stage of proceedings—from investigation through post-conviction relief.

    Best for: DUI/DWI CasesUrgent SituationsDrug ChargesJuvenile CasesFelony Charges

    Ideal for: Individuals charged with DUI/drunk driving, felonies or misdemeanors, domestic violence, drug crimes, and those facing serious or violent crime charges

    Service area: San Francisco Bay Area, including Walnut Creek, Concord, Oakland, San Francisco, Fremont, and surrounding cities

    What Sets Law Office of Derek R. Ewin Apart

    Former Prosecutor with Deep Experience: Derek R. Ewin worked as a Deputy District Attorney in Contra Costa County for 11 years, prosecuting thousands of cases. He now applies this insider knowledge to criminal defense with over 100 trials to his credit.

    24/7 Availability: The firm handles criminal defense matters around the clock and assists clients at any stage, from investigation and arrest through post-conviction relief and record cleanup.

    Respected in Local Courts: The firm has built a reputation for integrity and skill with local District Attorneys, judges, and court staff throughout the Bay Area.

    DUI/DWI DefenseFelony DefenseMisdemeanor DefenseDrug Charge DefenseFree ConsultationAvailable 24/7Juvenile Defense
    Criminal DefenseDUI DefenseFelony DefenseFormer Prosecutor24/7 Available
    Google Rating
    5.0 ★ (126 reviews)
    Phone
    (925) 205-6718

    Location

    Address: 201 N Civic Dr #225, Walnut Creek, CA 94596

    Phone: (925) 205-6718

    Website: drewinlaw.com

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    Last updated April 15, 2026

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