Smog check coupon · Modesto
$49.75 smog check coupon in Modesto.
Save on your next smog check at AZ Tech Smog Check — a STAR-certified, test-only station on N Carpenter Rd. All vehicles welcome, no appointment needed, and se habla español.
Grab the coupon
Bring it in, or email it to yourself.
Show the $49.75 coupon on your phone or print it — for most 2000-and-newer passenger cars (Sedan), plus the $8.25 state certificate when you pass. No appointment, no hidden fees. Se habla español.
Email me the coupon
What your coupon covers
The $49.75 smog check in Modesto.
The coupon price is for most 2000-and-newer passenger cars. Diesels, older vehicles and larger trucks take a little more work, so give us a quick call for those and we’ll quote you in seconds.
$49.75 most cars
For most 2000-and-newer passenger cars, e-filed to the DMV the moment you pass.
+ $8.25 certificate
The state certificate fee, added only when your vehicle passes — never before.
Diesels & larger vehicles
Diesels, trucks, vans and motor homes are a bit more. Call (209) 577-1644 for your exact price.
Fast and simple
How to use your smog coupon.
Grab the coupon
Email it to yourself with the form above, or just take a screenshot — either works at the counter.
Walk in — no appointment
Come by Monday through Friday and show the coupon before we start. A warm engine helps you pass.
Pass and go
When you pass, we e-file your certificate to the DMV so your registration can go through.
Why drivers use this coupon
Lowest price, honest test.
$49.75 all-in
One of the lowest smog prices in Modesto — and because we’re test-only, there’s never an upsell.
No appointment
Walk in Monday through Friday. Short on time? Call ahead and we’ll get you in fast.
Se habla español
Le atendemos en español y le explicamos cada paso del smog check, con gusto.
Coupon FAQ
Questions about the coupon.
How much is a smog check with the coupon?
$49.75 for most 2000-and-newer passenger cars, plus the $8.25 state certificate on a pass. Diesels, older vehicles and larger trucks are a little more — call (209) 577-1644 for your exact price.
Do I need an appointment to use it?
No — walk in Monday through Friday, no appointment necessary. You’ll find our current hours in the header and footer of every page.
Is the certificate included in the price?
The $8.25 state certificate fee is added only when your vehicle passes. Everything else is the coupon price.
How do I redeem the coupon?
Show it on your phone or bring a printout, and present it before service. It’s not valid with other offers.
Does the coupon work for diesels and trucks?
The $49.75 price is for most 2000-and-newer passenger cars. Diesels, trucks, vans and motor homes carry a small add-on — give us a call for the exact figure.
What if my vehicle fails?
We’ll explain exactly why and what to repair. After the fix, bring it back for a retest — and you may qualify for up to $500 in repair help through the state’s Consumer Assistance Program.
¿Hablan español?
Sí. Se habla español — le explicamos todo el proceso del smog check con gusto, sin cita previa.
$49.75 smog check in Modesto. Se habla español.
1324 N CARPENTER RD · STAR STATION · TEST-ONLY
(209) 577-1644