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Smog Check & Emissions Testing Stations in Sonoma, CA

5 of the 28 auto repair shops we list in Sonoma have smog checks or emissions tests.

Not every repair shop is licensed to test emissions, and a map search for a smog check mixes test stations with parts stores and dealerships. Every station here names smog checks or emissions testing in its business name, its listing category or on its own website.

  1. Broadway Auto Care

    616 Broadway, Sonoma, CA 95476-7002

    Mon–Fri 8:30 AM - 3:30 PM

    Smog & emissionsTransmission repairA/C repair
    Call Website Directions

  2. Mike Larbre Automotive

    18155 Sonoma Hwy, Sonoma, CA 95476

    Smog & emissionsTransmission repairEuropean & importA/C repair
    Call Website Directions

  3. Mike Larbre Automotive

    18155 CA-12, Sonoma, CA 95476-3639

    Smog & emissionsTransmission repairEuropean & importA/C repair
    Call Website Directions

  4. Family Smog check

    801 W Napa St, Sonoma, CA 95476

    Smog & emissions
    Call Directions

  5. Steve's Smog and Auto

    18968 Sonoma Hwy, Sonoma, CA 95476-5417

    Smog & emissions
    Call Directions
Bring your registration renewal notice. States that require emissions testing usually print the type of test on it. In California, a notice that says “STAR station required” means only a STAR-certified station can do the check, and test-only stations check cars but do not repair them.

More in Sonoma and California

Smog Check & Emissions Testing Stations near Sonoma

Good to know

How much does a smog check cost?

Prices depend on the state and the station. In California a smog check usually costs about $30–70 plus the state certificate fee; in states that run their own emissions programs the fee is often a flat amount set by the state.

What happens if my car fails the emissions test?

You get a report with the reason for the failure, and the car needs repairs before a retest. Many states give a free or discounted retest within a set number of days, and some offer repair assistance or waivers when repair costs pass a limit.