How to Find Someone in San Mateo County Custody (includes Maguire Facility) — Step-by-Step
Trying to find out if someone is in San Mateo County custody, including the Maguire Facility? The county's inmate locator is your starting point. Here's how to use it, what you'll find, and what to do if the name doesn't show up.
The San Mateo County inmate locator shows the most current information the Sheriff's Office has on people who've been arrested or are in custody. That's useful - but it also means details can shift as someone moves through the system. If you check back and see different information, or if a name doesn't appear right away, the record may still be updating or the person's status may have changed.
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- ✓ The person’s first name and last name (you need both)
- ✓ Spellings you’ve seen used before (if there are multiple)
- ✓ Patience to try again later if results don’t show up right away
- Open the San Mateo County inmate locator - Start with the county’s official search page.
- Enter both the first name and last name - The locator requires BOTH fields to run a search.
- Click “FIND INMATE” - This is the button that pulls the results.
- Review the results carefully - What you’re seeing reflects the most recent information known to the Sheriff’s Office.
- If you don’t see them, check again later - Information can change as someone moves through the judicial process, and the listing may update over time.
No results? That doesn't necessarily mean the person isn't in custody. Some names are withheld under exemptions in Government Code section 6254(f). If you suspect this applies, contact the local jurisdiction directly for information.
Don't want to keep refreshing the locator? You can sign up for automatic notifications through California VINE at vinelink.com. The San Mateo County locator recommends this service for custody status changes and criminal case updates.
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- ✓ Enter both the first name and last name (the search won’t work without both)
- ✓ If nothing comes up, try again later - information can change as someone moves through the judicial process
- ✓ If a name still doesn’t appear, remember it may be withheld under Government Code §6254(f), and you’ll need to contact the local jurisdiction for more information
Find an Inmate at San Mateo - Maguire Facility, CA
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