The Rock Gym
- Indoor climbing center offering toproping and lead climbing.
- http://www.therockgym.com/

City of Signal Hill Police Department
- Official site includes information about operations and programs.
- http://www.signalhillpd.org

Signal Hill Elementary
- Providing an accelerated year-round instructional program to grades K through 5. Describes goal, available programs and overview of curriculum.
- http://www.lbusd.k12.ca.us/signal/

City of Signal Hill
- Features information about the city, business development, community events and services, housing and the public library.
- http://www.ci.signal-hill.ca.us/