Call or Visit Lathrop Quick Smog
Have a question before you come in, or want to check which coupon rate fits your vehicle? Call or text us — walk-ins are always welcome, no appointment needed.
Get in touch
Phone / text: (209) 328-1909
Address: 189 D’Arcy Pkwy, Lathrop, CA 95330
Hours: listed at the top and bottom of every page
Get directions → · See our location page
While you’re here
Grab the $39.75 coupon, or check whether your renewal needs a STAR station.
How do I reach you?
Call or text (209) 328-1909 during business hours, or drive up to 189 D’Arcy Pkwy, Lathrop, CA 95330.
Can I text you?
Yes — you can call or text the same number, (209) 328-1909, with a quick question.
Do you take appointments?
No appointment needed — we’re a walk-in station. Come by any time we’re open.
Do you send the certificate to the DMV?
Yes. When your vehicle passes, we transmit the certificate to the DMV electronically, so you can renew right away. Keep your receipt as proof.
What payment do you accept?
Major credit and debit cards and cash.