The City of Brentwood is located in Williamson County, Tennessee just south of Metropolitan Nashville. The City encompasses nearly 41 square miles of stately homes, rolling farmlands, and shopping and business centers. The Brentwood Police Department is a progressive, professional, full-service law enforcement agency made up of men and women who are committed to providing excellent law enforcement service every day. The department and it's members take an active role in the community and truly seek to maintain an outstanding quality of life so that residents are safe, businesses thrive, and all people enjoy visiting Brentwood. The Brentwood Police Department has been an Internationally Accredited Law Enforcement Agency since 1989. We were reaccredited in 2011 and received the prestigious CALEA Gold Standard Award.