El Dorado Hills Citizens Alliance
- Public benefit civic group promoting local community interests and values in public affairs.
- http://www.edhca.net/

ILoveElDoradoHills.com
- Community Site: local photos, neighborhood discussions, community events, schools, churches, organizations, businesses, merchants, things to do, classifieds, for sale by owner.
- http://www.iloveeldoradohills.com

Bass Lake Action Committee
- Information on the proposed Bass Lake Regional Park from area citizens. Includes pictures and a newsletter.
- http://basslakeaction.org/

El Dorado Hills Fire Department
- Fire department with three stations in El Dorado Hills supplying fire and medical emergency services. Additional community services include CPR classes and household waste disposal.
- http://www.edhfire.com/

El Dorado Hills Chamber of Commerce
- Provides information about the community and the area, including recreation, education, demographics and area services.
- http://www.eldoradohillschamber.org/

El Dorado Hills Community Services District
- Local government organization responsible for parks and recreation. Regulatory authority includes CC&R enforcement, architectural review, and limited oversight of services such as cable television.
- http://www.eldoradohillscsd.org/

SierraFoot: A Sierra Foothills Community Information Site
- An information site in the public interest for El Dorado Hills and its Sierra foothills area.
- http://www.sierrafoot.org/