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The Southwest Justice Center sits on Auld Road in Murrieta, sharing its campus with the Southwest Detention Center, and is the only criminal courthouse serving the fast-growing I-15 corridor that includes Temecula, Murrieta, Menifee, and Lake Elsinore. The building holds thirteen courtrooms spread across four floors and handles criminal, traffic, juvenile, and civil harassment matters for the whole southwest corner of Riverside County. If your DUI arrest happened anywhere along that corridor, including a CHP stop on the I-15 through wine country, this is almost certainly where the case lands. Here is what to expect walking in, how arraignment calendars run at this courthouse, and the DMV and county program deadlines that move on their own separate schedule.
Southwest Justice Center — court & DMV details
Why your case is here
The Southwest Justice Center at 30755 Auld Road is the single criminal courthouse for the I-15 southwest corridor, and it shares its campus with the Southwest Detention Center. A DUI arrest in Temecula, Murrieta, Menifee, Lake Elsinore, Wildomar, or Canyon Lake is heard here. The CHP Temecula Area office patrols the I-15 through the wine country, where weekend and tourist DUI enforcement runs high.
Parking, entrances, and getting to Southwest Justice Center by bus
Southwest Justice Center has two visitor lots, one in front on the north side of the building and one at the rear on the south side, together with twelve handicapped-accessible spaces split evenly between them. Drop boxes for paperwork are accessible until 4:00 p.m. each day. Both the north and south entrances run their own metal detector screening line, and hand-wand screening is available on request for anyone with a pacemaker or cochlear implant. If you do not want to drive, Riverside Transit Agency's Route 79 has a stop listed simply as Southwest Justice Center, making this one of the easier Riverside County courthouses to reach without a car. Give yourself extra time either way, since security lines tend to back up right before the morning criminal calendar begins.
Arraignment day at the Southwest Justice Center
The clerk's office here keeps the same countywide hours as other Riverside Superior Court locations, 7:30 a.m. to 4:00 p.m. on weekdays with phone coverage ending at 2:00 p.m. Courtrooms are spread across four floors, labeled S101 through S104 on the first floor, S201 through S205 on the second, and S301 through S304 on the third, so check your citation or arraignment notice for your department before heading up. Like Riverside's other criminal courthouses, arraignments and other criminal hearings at Southwest are handled in person rather than by Zoom, a distinction worth knowing if you have used remote appearances for a civil or family law matter elsewhere in the county. Plan to arrive early enough to clear security and find your floor before your calendar time.
DMV deadlines and Riverside County's DUI program from Murrieta
Your license case runs on its own clock, separate from whatever happens at Southwest, and Inland Empire drivers handle that DMV hearing by phone rather than at a walk-in Driver Safety office. If the court in Murrieta orders a DUI program, Riverside County Probation's approved program list applies the same way it does anywhere else in the county: the AB541 first offender course, the longer nine-month AB1353 option, the SB38 eighteen-month program for a second or later offense, and a shorter SB1176 education session for some reduced outcomes. Probation directs anyone ordered into electronic monitoring to call Sentinel Offender Services or Leaders in Community Alternatives within five days of the court date to schedule enrollment, regardless of which Riverside County courthouse heard the case.
The 10-day DMV deadline
A southwest-corridor DUI brings two cases: the criminal case at the Southwest Justice Center and the DMV's separate case against your license, which runs on a 10-day fuse from arrest. How the DMV hearing works →
How Ron defends a DUI at the Southwest Justice Center
DUI cases out of the Southwest Justice Center are prosecuted by the Riverside County District Attorney's southwest region office, which sees a steady stream of CHP-initiated DUI arrests from the I-15 corridor and the Temecula wine country. Once a case is arraigned, it typically moves through pretrial conferences where Ron goes through the stop, the field sobriety testing, and the breath or blood results looking for weaknesses, while negotiating directly with the DA's southwest team rather than letting the case sit with a junior associate. Riverside County Superior Court treats criminal arraignments as in-person hearings rather than remote appearances, a policy that applies at Murrieta the same as at the county's other criminal courthouses, though counsel can often appear in place of the client for routine dates in a first-time misdemeanor matter. Ron's practice is based in Irvine, and he structures case preparation by phone and email so that clients from Temecula or Murrieta are not making extra unnecessary trips, only the court appearances that actually require it.
Where will my Temecula or Murrieta DUI be heard?
Does the Southwest Justice Center cover Menifee and Lake Elsinore?
Do I have to appear in Murrieta myself?
How do I protect my license?
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Ron defends DUI cases across Southern California from his Irvine office — and works directly with you, not a call center.
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