CA Civ Proc Code Section 1245.030

(a)

The person seeking to enter upon the property may petition the court for an order permitting the entry and shall give such prior notice to the owner of the property as the court determines is appropriate under the circumstances of the particular case.

(b)

Upon such petition and after such notice has been given, the court shall determine the purpose for the entry, the nature and scope of the activities reasonably necessary to accomplish such purpose, and the probable amount of compensation to be paid to the owner of the property for the actual damage to the property and interference with its possession and use.

(c)

After such determination, the court may issue its order permitting the entry. The order shall prescribe the purpose for the entry and the nature and scope of the activities to be undertaken and shall require the person seeking to enter to deposit with the court the probable amount of compensation.