West Valley Detention Center

West Valley Detention Center is at 9500 Etiwanda Avenue, Rancho Cucamonga, CA 91739 (San Bernardino County, California).

You can reach West Valley Detention Center on (909) 708-8371. If the line has changed, the agency's website will have the current number.

Use the agency's official inmate lookup, linked on this page, or call the facility on (909) 708-8371. Official agency records are the final authority on custody status.

The official website is linked on this page. Use it for general questions; urgent matters are best handled by phone.

West Valley Detention Center is a county jail run by the county sheriff's office. County jails hold people awaiting trial and those serving short sentences, usually under a year.

Its sources list a capacity of 3,347 places and a population of about 2,572 at the last count. Actual occupancy changes from day to day.

Most facilities ask visitors to book ahead and to show photo ID on arrival. West Valley Detention Center's own visiting times and dress rules are the ones that count, so check with the facility on (909) 708-8371 first.

Address the envelope with the person's full name and booking or inmate number, followed by West Valley Detention Center, 9500 Etiwanda Avenue, Rancho Cucamonga, CA 91739. Many facilities only accept plain letters and photos, so check its mail rules before sending anything else.