About Stephen
Stephen Duncan is a criminal defense attorney based in Scottsdale, Arizona, with over 29 years of experience in the field. He founded The Law Offices of Stephen L. Duncan, P.L.C., located at 4295 North 75th Street, Scottsdale, AZ 85251. Duncan earned his Bachelor of Arts from Biola University and his Juris Doctor from California Western School of Law.
Licensed to practice in Arizona since 1992, Duncan has a background as a prosecutor in Maricopa County and as an Assistant Attorney General for the state. In 2015, he faced disciplinary action resulting in a 60-day suspension and one year of probation for ethical violations. As of February 2026, his license status is active — Duncan's practice focuses on criminal defense, including DUI and DWI cases. He has represented clients in various criminal matters, from misdemeanors to complex felonies.
His firm offers free consultations and accepts credit card payments. Before establishing his private practice in 2001, Duncan served as a Deputy Attorney General and Assistant Attorney General in Arizona, handling appeals and white-collar prosecutions. He is a member of the Arizona State Bar and the National Association of Criminal Defense Lawyers. Duncan's office is located at 4295 North 75th Street, Scottsdale, AZ 85251.
For consultations, he can be reached at (602) 832-7404 or via email at sduncan@stephenduncanlaw.com.
