Calvary Orthodox Presbyterian Church
- La Mirada. Contact information, brief statement of faith, congregation photos, worship schedule.
- http://www.calvaryopc.org/

Covenant Presbyterian Church in Berkeley
- Berkeley, Ca. Worship schedule, bulletin, contact information, maps and directions, photos from inside the church, and feedback form.
- http://berkeley.opc.org

Iglesia del Senor Viviente - Santa Ana, CA
- Site in English and Spanish. Worship services in both languages; information on church beliefs, activities, and location.
- http://www.iglesiareformada.com

Sovereign Grace Orthodox Presbyterian Church - Moreno Valley
- Information on beliefs, worship, people, and upcoming events.
- http://www.sovereigngraceopc.org

First Orthodox Presbyterian Church of Sunnyvale
- Streaming video sermons, worship and event schedules, statement of faith, vision, directions, and other resources available.
- http://www.firstopc.org

Grace Orthodox Presbyterian Church
- Costa Mesa, CA. Worship schedule, staff profiles, and contact information.
- http://www.grace-opc.org

Grace Church
- Modesto, CA. Worship schedule, sermons, ministries, and resources.
- http://www.graceopcmodesto.org/

El Camino Orthodox Presbyterian Church
- El Camino, CA. Worship schedule, contact information, driving directions, statement of beliefs.
- http://elcaminoopc.org/

Delta Oaks Orthodox Presbyterian Church
- Antioch, CA. Contact information, mission statement, by-laws, links to reformed sites, photos of recent activities. Profiles of pastor, elders and deacons.
- http://www.deltaoaks.org