Three factors must be met in order for your property to be taken under California eminent domain law:
The governmental project is designed to meet the needs of the people residing in the state.
The project will provide the greatest good to the most people while causing minimum harm and injury to private property owners.
The governmental entity must have the property in order to commence or complete the project.
>https://www.centurylawgroup.com/blog/california-eminent-domain-law/