Top Rated Smog Test Shops Serving Napa County, CA

If you really care about choosing a quality smog test shop, we’re here for you. Here’s your access to the best smog test shops serving Napa County including 94558, 94559, 94503, 94574 and 94515. These smog test experts provide smog check requirements and emission testing equipment, and they also work on compliance certificates, smog tests and pollution control measures. For 22 years we’ve conducted the most accurate ratings and deepest research of local shops, so you’ll be confident in choosing.

  • Last Updated Jul 08, 2024
  • 8,530 people sourced companies in Auto Smog
    1,449 Verified Auto Smog Customers Surveyed
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Empire Sports West

Empire Sports West provides a wide range of repair services for all types of cars at its Santa Rosa facility. In addition to working on regular vehicl...
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Main Services

Auto Repair
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Auto Smog
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Additional Services

Pre-Purchase Inspections, Brake Work, Smog Inspections & Repairs,

Brands

BMW , Mercedes-Benz

Coverage Areas

Sonoma County

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Walk-Ins Welcome
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Appointments Available
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Live Phone Call Answers
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Diamond Certified Expert Contributor
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owner Name
Dave Proffer, Owner
Expert Contributions
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  • 146
  • Rating Surveys
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  • 11
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  • 5
  • Researched Articles
    4325 Montgomery Drive, Santa Rosa, CA 95405
    Hours CLOSED NOW
    License:
    249915
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    Renson Automotive

    Renson Automotive offers a variety of repair services to Santa Clara County drivers, including smog tests, brake systems, fuel injections, engine and ...
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    Main Services

    Auto Repair
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    Auto Smog
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    Auto - Oil Change
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    Additional Services

    Complete Range of Auto Repairs, Diagnostics of All Kinds, Maintenance Services, Smog Tests, Air Conditioning Repairs, Transmissions, Timing Belts, Brakes

    Coverage Areas

    Santa Clara County

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    Family Owned
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    Walk-Ins Welcome
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    Established in 1976
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    Appointments Available
    Diamond Certified Video Profile
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    Diamond Certified Company Report
    owner Name
    Eric Murguia, President
    Expert Contributions
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    • 262
    • Rating Surveys
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    • 13
    • Photos
      & Videos
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    • 5
    • Researched Articles
      1436 White Oaks Road Suite 9, Campbell, CA 95008
      Hours CLOSED NOW
      License:
      302314
      Learn how to choose a Auto Smog and more…
      Diamond Certified Smog Test Shops In Napa County

      Diamond Certified smog test shops serving Napa County are rated an average of 4.7 out of 5 stars based on 439 reviews of 15 rated smog test shops.
      Diamond Certified smog test shops in Napa County Avg. Star Rating.

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      Napa County was founded in 1847, and today, your 271,762 neighbors use smog test shops for pollution control measures, smog tests, vehicle emissions standards, emissions testing, emission testing equipment, and more.

      View the Full Diamond Certified Guide to Auto Smog
      Frequently Asked Questions for Auto Smog in Napa, CA
      Q: What are customers of Diamond Certified smog test shops saying about shops in Napa County, CA?
      A: Verified Empire Sports West Customer, one of 146
      "Professional I like the personal touch they have. They're very personable." -Alex T.
      All Survey Responses for Empire Sports West
      Verified Renson Automotive Customer, one of 262
      "They're a reliable company. They have the customer's best interests in mind. " -Max C.
      All Survey Responses for Renson Automotive
      Q: What are some of the most popular brands that Diamond Certified smog test shops use when working with Napa County residents?
      A: Diamond Certified smog test shops use top-quality brands like Banks Power, AFE Power, Airaid, Remus and MBRP.
      Q: What types of tailpipe emissions do smog test shops offer?
      A: Smog test shops offer a variety of tailpipe emissions tests, including the Hydrocarbon (HC) Emissions Test, which measures the amount of unburned gasoline, the Carbon Monoxide (CO) Emissions Test, which measures the amount of burned gasoline, and the Nitrogen Oxide (NOx) Emissions Test, which measures a pollutant responsible for smog and acid rain. They also conduct the Carbon Dioxide (CO2) Emissions Test, which measures how efficiently your vehicle is burning gas, and the O2 Emissions Test, which measures the amount of oxygen in the exhaust. Some shops might also offer particulate matter testing for diesel vehicles, which evaluates the amount of soot and microscopic pollutants released.
      Q: Can Diamond Certified smog test shops work with MagnaFlow products and similar items so I can get smog check requirements in Napa County?
      A: Yes, Diamond Certified smog test shops can work with MagnaFlow products and similar items to meet smog check requirements in Napa County.
      Q: What did people search for when they wanted to find the best quality smog test shops in Napa County?
      A: Vehicle Inspection Programs
      Pollution Control Measures
      Catalytic Converters
      Clean Air Regulations
      Emission Testing Equipment

      Search Auto Smog in Nearby Locations

      Diamond Certified Companies Serving Napa, CA