Cal. Prob. Code § 13151

Exclusive of the property described in Section 13050, if a decedent dies leaving real property in this state and the gross value of the decedent’s real and personal property in this state does not exceed one hundred fifty thousand dollars ($150,000) and 40 days have elapsed since the death of the decedent, the successor of the decedent to an interest in a particular item of property that is real property, without procuring letters of administration or awaiting the probate of the will, may file a petition in the superior court of the county in which the estate of the decedent may be administered requesting a court order determining that the petitioner has succeeded to that real property. A petition under this chapter may include an additional request that the court make an order determining that the petitioner has succeeded to personal property described in the petition.