The courthouse handling Castro Valley DUI cases
Castro Valley DUI cases are filed at the Alameda County Superior Court in Oakland. Castro Valley is unincorporated Alameda County — there is no city of Castro Valley. See the Alameda County DUI defense guide.
The DMV Driver Safety Office
The Oakland Driver Safety Office handles APS hearing requests for all Alameda County DUI arrests, including Castro Valley. The 10-day deadline runs from the arrest date.
You have 10 calendar days from your arrest date to request an APS hearing. Missing this deadline means automatic license suspension beginning 30 days after arrest. Contact the applicable Driver Safety Office immediately or have an attorney request the hearing on your behalf.
Law enforcement and DUI enforcement patterns
The Alameda County Sheriff’s Department (Castro Valley patrol area) handles DUI enforcement in Castro Valley — there is no city police department. CHP enforces I-580 through the Castro Valley canyon — a winding, hilly freeway stretch with a consistent CHP enforcement presence. Castro Valley Boulevard entertainment area sees Sheriff enforcement.
How local prosecutors handle DUI cases
Castro Valley DUI cases are prosecuted by the Alameda County DA’s office. Unincorporated area arrests by the Sheriff still go through the same DA’s office as city arrests.
After a Castro Valley DUI arrest: your immediate priorities
Request the DMV APS hearing within 10 days at the Oakland Driver Safety Office. Your arraignment will be in Oakland.