Cal. Probate Code § 8121

(a) The first publication date of the notice shall be at least 15 days before the hearing. Three publications in a newspaper published once a week or more often, with at least five days intervening between the first and last publication dates, not counting the publication dates, are sufficient. (b) Notice shall be published in a newspaper of general circulation in the city where the decedent resided at the time of death, or where the decedent’s property is located if the court has jurisdiction under Section 7052. If there is no such newspaper, or if the decedent did not reside in a city, or if the property is not located in a city, then notice shall be published in a newspaper of general circulation in the county which is circulated within the area of the county in which the decedent resided or the property is located. If there is no such newspaper, notice shall be published in a newspaper of general circulation published in this state nearest to the county seat of the county in which the decedent resided or the property is located, and which is circulated within the area of the county in which the decedent resided or the property is located. (c) For purposes of this section, “city” means a charter city as defined in Section 34101 of the Government Code or a general law city as defined in Section 34102 of the Government Code.