United States
Probate Court Directory

Contra Costa County, California Probate Court

Disclaimer: Not affiliated with this court. Info is for convenience only; please verify with the court.

Court Name Contra Costa Superior Court
Court Address
725 Court St
Martinez, California 94553
Contact Info Phone +1-925-608-1000     Fax -
Email See website
Court Website https://www.cc-courts.org/probate/probate.aspx
Local Rules https://www.cc-courts.org/rules-local-court/rules/local-rules.aspx
Court Forms https://www.cc-courts.org/forms/probate-forms.aspx
Court Fees Fees for Contra Costa County probate cases are determined by the court and change with the filing type. The current schedule is available through the links above.
Hours Open Monday to Friday, 8:00 AM to 4:00 PM
Summary of Services Serving as a personal representative for an estate in Contra Costa County typically involves posting a bond in California. The court sets the amount based on personal property plus anticipated annual income, unless the will or the beneficiaries waive it.
Court History The Superior Court is California's court of general jurisdiction and administers probate for Contra Costa County, including estates, guardianships, and conservatorships. Probate matters for Contra Costa County are handled by Contra Costa Superior Court in Martinez. This court offers online docket search, so filings and case status for Contra Costa County can often be confirmed online before a bond is requested.
Additional Information Locating missing heirs is a common step before a Contra Costa County estate can be settled. We do not perform investigations ourselves, but we can connect you with licensed investigators nationwide who handle heir searches. For the probate bond, we write executor, administrator, guardianship, and conservator bonds for California and most are quoted and issued quickly. Start your application online.

Need a Contra Costa County probate bond or a California guardianship bond for this court?
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Probate Bonds for Contra Costa County

If the Contra Costa Superior Court orders you to post a bond as an executor, administrator, guardian, or conservator, the bond is usually filed with this court before your appointment is finalized. California law sets when a bond is required, how the amount is calculated, and when it can be waived. Our California probate bonds page explains each bond type and what it typically costs.

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Filing a probate case in Contra Costa County? Review the California probate bond requirements before your hearing, or compare probate bonds by state if the estate has property in more than one state.

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