Evangelical Free Church of Diamond Bar
- Brief history, Bible study and fellowship group schedules, missionary news and prayer requests.
- http://www.efreedb.org/

Diamond Bar Municipal Code
- Provides access to the general and permanent ordinances and building codes in a searchable, easy to read format.
- http://www.municode.com/resources/gateway.asp?pid=12790&sid=5

Diamond Bar Golf Club
- Private golf club. Pictures, history and lesson information is listed.
- http://www.diamondbargolf.com

Church in the Valley
- Events, sermon series information, history, beliefs, service times and location, calendar, staff, information on ministries, and contact details.
- http://www.churchinthevalley.com/

Gary Lee, DDS
- General dentistry.
- http://www.garywdleedds.com/

City of Diamond Bar
- Official city web site; searchable school, business and community information.
- http://www.ci.diamond-bar.ca.us/