She began her career in public service as a staff attorney with Legal Aid Services of Oregon in Klamath Falls. Staci McCarthy primarily represented clients in divorce, custody, child support, restraining order, and landlord tenant matters. In 2008 she moved to Medford and began working for the largest AV rated law firm in Southern Oregon. While in Medford, Staci McCarthy continued to focus her practice on family law and civil litigation. In 2013 Attorney McCarthy relocated to Hood River with her husband, Hood River native Adam McCarthy, and young daughter. They moved so that her husband could manage the long established McCarthy farming operation. She then began working at a law firm in The Dalles, representing clients in Oregon and Washington in family law, debt collection, and civil litigation matters.