Cal. Rev. & Tax. Code § 4988

Where real property is assessed by the assessors of two or more counties for the same year the owner may file an action in the superior court of one of these counties against the conflicting claimants, discharge the obligation by paying the largest amount of taxes levied on the property by any of the counties into court, and compel the counties to interplead and litigate their several claims among themselves under section 386 of the Code of Civil Procedure.