City of Walnut: Official site with city administration and services.
Code of the City of Walnut: Provides access to the general and permanent ordinances and building codes in a searchable, easy to read format.
Mt. San Antonio College Wildlife Sanctuary: Ten-acre preserve for native plants and birds. Visitor information, news, and background on wildlife.
Walnut Library: Events, opportunities, services and information about this library.
Walnut Local News: Topix.net: Local, regional, and statewide news collected from diverse sources on the web.