Who to Call When You Have Questions About Someone at Martinez Detention Facility
Need answers about someone at Martinez Detention Facility? The key is calling the right office for your specific question. Here are the main contacts—plus an explanation for why you might see two different phone numbers for the jail.
The Martinez Detention Facility page lists the jail at 901 Court Street, Martinez, CA 94553. The phone number shown there is (925) 335-4600.
On the Sheriff's Records & ID Unit page, you'll see a different number for inmate information at Martinez Detention Facility: (925) 646-4493. If you've been clicking between pages and wondering why the numbers don't match, you're not imagining it. Both appear on official county pages.
For questions about records, reports, or an out-of-custody inmate inquiry, start with the Records & ID Unit. They're open Monday–Friday, 8 AM–5 PM, at 2530 Arnold Drive, Suite 170, Martinez, CA 94553.
- ✓ Office phone: (925) 335-1570
- ✓ Fax: (925) 335-1588
- ✓ Email: recordsinfo@so.cccounty.us
- ✓ Fees: cash (exact change only) or check (no credit/debit cards)
Bring valid identification if you’re going in person for Records & ID services - this unit does not accept a DMV renewal paper receipt as ID. If you’re submitting a request, build in some time: the Sheriff’s Records Unit has ten days to respond to all requests.
Seeing two different Martinez Detention Facility numbers? Treat it as a "verify before you act" situation. The facility page lists (925) 335-4600, while the Records & ID page shows (925) 646-4493 for inmate information. When you call, jot down which number you dialed, who answered, and what they told you to use going forward. For records-related questions - anything involving paperwork or formal requests - contact the Records & ID Unit directly at (925) 335-1570 to get routed correctly.
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