Plano residents Joel and Julianna Marius opened Sparta Pet Palazzo on June 20 at 910 W. Parker Road, Ste. 103, Plano. The cat and dog boarding facility and dog day care was born out of the couple's pet sitting business, which began about four years ago. the facility features lavender-infused oil throughout and soothing music for its pet clients. 972-850-7806. www.spartapetpalazzo.com