WE'RE OPEN MEMORIAL DAY - MONDAY, MAY 28 8 am - 5 pm

Napa Smog Test Only is the best Smog Check Station in Napa

We are a Test Only Smog Station on the edge of downtown Napa. We do not do repairs. We want your vehicle to PASS. We are licensed by the State of California to perform required smog checks. The staff at Napa Smog Test Only can answer all your questions, process your paperwork, perform the test, transmit the results automatically and send you on your way in 15 minutes.

Te attendemos en espanol...  

We smog ALL vehicles including Heavy Duty Trucks, RV's, Gross Polluters and Diesels

No Appointment Necessary at Napa Smog Test Only - call or email us if you prefer one

Napa Smog is located at the intersection of Main and Napa Streets just north of historic downtown Napa (halfway between Lincoln Ave. and 1st St.) 

Zip codes served by Napa Smog: 94559, 94558, 94599, 94562, 94573, 94574, 94508, 95688, 94589, 95476, 94576 and more - everyone is welcome.

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Call Us Today! 707-224-5566

email: service@napasmogtestonly.com

 $20 OFF!

AHORRE DINERO!

See our Coupon pages and print out BIG SAVINGS Today

Napa's Best! Smog Check, Smog Test, Smog Certification, Emissions Test, Regular Test,Test Only Center

Over 10 years same location and expert customer service!

"I'll be back to Napa Smog next time - thanks!"

One visit and you'll never go anywhere else

   Free WI-FI 

Relax in our waiting room

 If your Vehicle Registration Renewal has the Below wording that is circled in RED it means you need to go to a TEST ONLY station like us.  

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Easy Parking at Napa Smog