City of Costa Mesa: Official directory of information about city services, local businesses, and community events.
Costa Mesa Chamber of Commerce: Provides business listings, tourism and education information, city demographics, economic development, and elected representatives information.
Costa Mesa Local News: Topix.net: Local, regional, and statewide news collected from diverse sources on the web.
Costa Mesa Municipal Code: Provides access to the general and permanent ordinances and building codes in a searchable, easy to read format.
The Costa Mesa Bark Park: Dog park. Site includes information and directions, and volunteer opportunities.