Chastain Law Office

Robert R. Chastain is an Idaho attorney who practices criminal defense at Chastain Law Offices, a small firm located in downtown Boise. Mr. Chastain is a native of Boise, having attended Borah High School and Boise State University for his undergraduate education. He earned his Juris Doctor from the University of Utah S.J. Quinney College of Law in 1981 and was admitted to the Idaho State Bar the same year.

Early in his career, Mr. Chastain interned and later served as a felony prosecutor in the Ada County Prosecutor's Office. This experience provided the foundation for his subsequent career in criminal defense. After a brief period in civil law, he established his solo practice, focusing exclusively on criminal matters.

Throughout his career, Mr. Chastain has handled numerous high-profile murder cases and holds certification for death penalty cases in Idaho. He has collaborated with attorney Deborah Kristal on several controversial murder trials. In 2019, he was recognized as an Idaho State Bar Distinguished Lawyer. Colleagues regard him as a leading criminal defense attorney known for his composed demeanor and professional conduct.