Lake Stevens is home to a large retail district anchored by Frontier Village, a shoping center located at the intersection of State Route 9 and State Route 204. It was developed beginning in the 1960s and now encompasses more than of retail space, spread across several strip malls. A Costco store is planned to be constructed at the intersection of State Route 9 and 20th Street Southeast with a building, a gas station with 30 pumps, and 800 parking stalls. A development agreement was approved by the city government in December 2019 after several public meetings that drew dozens of residents.