WCR has provided links to the Unity Church websites in the NorCal for your convenience.
Just
Map of California Ministries
Eureka (Unity Church of the Redwoods)
Grass Valley (Unity in the Gold Country Spiritual Center)
Lower Lake (Unity Clear Lake Center)
Oroville (Unity of Oroville)
Redding (Unity in Redding)
Ukiah (Unity of Ukiah)