Below are the boundary and sphere of influence (SOI) maps for each of the 28 cities in Riverside County. Also included are regional maps for the County. These maps have been created as part of an ongoing project. These are the most current maps for each city and will be updated as changes, such as annexations or sphere amendments, occur.  

Cities & City Spheres in the Coachella Valley
Cities & City Spheres in Western Riverside County
City & City Sphere – Blythe

City of Banning Boundary and SOI Map
City of Beaumont Boundary and SOI Map
City of Blythe Boundary and SOI Map
City of Calimesa Boundary and SOI Map
City of Canyon Lake Boundary and SOI Map
City of Cathedral City Boundary and SOI Map
City of Coachella City Boundary and SOI Map
City of Corona City Boundary and SOI Map
City of Desert Hot Springs City Boundary and SOI Map
City of Eastvale City Boundary and SOI Map
City of Hemet City Boundary and SOI Map
City of Indian Wells City Boundary and SOI Map
City of Indio City Boundary and SOI Map
City of Jurupa Valley City Boundary and SOI Map
City of Lake Elsinore City Boundary and SOI Map
City of La Quinta City Boundary and SOI Map
City of Menifee City Boundary and SOI Map
City of Moreno Valley City Boundary and SOI Map
City of Murrieta City Boundary and SOI Map
City of Norco City Boundary and SOI Map
City of Palm Desert City Boundary and SOI Map
City of Palm Springs City Boundary and SOI Map
City of Perris City Boundary and SOI Map
City of Rancho Mirage City Boundary and SOI Map
City of Riverside City Boundary and SOI Map
City of San Jacinto City Boundary and SOI Map
City of Temecula City Boundary and SOI Map
City of Wildomar City Boundary and SOI Map