Finding affordable home insurance, particularly for homes in high or very high wildfire risk areas, is both challenging and likely to be expensive. Here are a couple of resources that can help you navigate the hunt more successfully.
If you have been dropped by your insurance start with this guide https://www.uphelp.org/pubs/dropped-your-insurer-where-go-help-california-0
There is a wealth of information provided by nonprofit United Policy Holders. Their home page is https://www.uphelp.org/
If you still have insurance and want to make sure it is adequate (and get lots of other great tips) review their Roadmap for Preparedness program at https://www.uphelp.org/roadmap-preparedness
If you have survived a wildfire their Roadmap to Recover https://www.uphelp.org/programs/roadmap-to-recovery is invaluable.
Yapacopia, a Certified Public Benefit Corp, can perform help you with a hunt for viable insurance options. Find them at https://yapacopia.com/