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Vehicle Inspection Stations in Contra Costa County, CA

173 stations in the county23 townsfrom the California Bureau of Automotive RepairAll of CaliforniaUpdated October 2026

173 stations in Contra Costa County are on the official list published by the California Bureau of Automotive Repair. The most are in Concord (36), Walnut Creek (21), Richmond (21).

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173 stations in Contra Costa County

  • Lexus Of Concord Official list2001 Market Street, Concord, CA, 945204.7 7444 Google reviewsLicensed to November 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2001 Market Street, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since March 2000Valid through November 30, 2026state license number 208110
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Toyota Walnut Creek Official list2100 North Broadway, Walnut Creek, CA, 945964.8 4766 Google reviewsLicensed to December 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2100 North Broadway, Walnut Creek, CA, 94596
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since December 2017Valid through December 31, 2026state license number 289121
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • El Cerrito Honda Official list11755 San Pablo Ave, El Cerrito, CA, 945304.7 4368 Google reviewsLicensed to March 2027Smog Station - Test & RepairEmissionsDetails
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    Address
    11755 San Pablo Ave, El Cerrito, CA, 94530
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since June 2023Valid through March 31, 2027state license number 305386
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Diablo Subaru Of Walnut Creek Official list2646 N Main St, Walnut Creek, CA, 945974.7 4204 Google reviewsLicensed to November 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2646 N Main St, Walnut Creek, CA, 94597
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since July 2019Valid through November 30, 2026state license number 274710
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Concord Honda Official list1461 Concord Ave, Concord, CA, 945204.5 4287 Google reviewsLicensed to May 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1461 Concord Ave, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since November 1997Valid through May 31, 2027state license number 194746
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Mercedes Benz Of Walnut Creek Official list1301 Parkside Drive, Walnut Creek, CA, 945964.4 4858 Google reviewsLicensed to November 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1301 Parkside Drive, Walnut Creek, CA, 94596
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since December 2005Valid through November 30, 2026state license number 242307
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Bmw Concord & Mini Authorized Service Of Concord Official list1967 Market St, Concord, CA, 945204.7 2506 Google reviewsLicensed to November 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1967 Market St, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since January 1974Valid through November 30, 2026state license number 45566
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Audi Concord Official list1300 Concord Ave, Concord, CA, 945204.6 1869 Google reviewsLicensed to October 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1300 Concord Ave, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since November 2017Valid through October 31, 2026state license number 288813
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Future Ford Lincoln Of Concord Official list2285 Diamond Blvd, Concord, CA, 945204.4 2476 Google reviewsLapsedSmog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2285 Diamond Blvd, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LapsedLicensed since November 2004Expired September 30, 2026state license number 235756
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Dirito Brothers Walnut Creek Vw Official list2020 N Main St, Walnut Creek, CA, 945964.6 1614 Google reviewsLicensed to September 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2020 N Main St, Walnut Creek, CA, 94596
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since November 2014Valid through September 30, 2027state license number 180334
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Concord Toyota Official list1090 Concord Ave, Concord, CA, 945204.3 2685 Google reviewsLapsedSmog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1090 Concord Ave, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LapsedLicensed since October 1998Expired September 30, 2026state license number 201392
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Walnut Creek Honda Official list1707 North Main Street, Walnut Creek, CA, 945964.7 1088 Google reviewsLicensed to November 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1707 North Main Street, Walnut Creek, CA, 94596
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since January 1982Valid through November 30, 2026state license number 98921
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Bill Brandt Ford Official list8100 Brentwood Blvd, Brentwood, CA, 945134.4 1698 Google reviewsLicensed to September 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    8100 Brentwood Blvd, Brentwood, CA, 94513
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since March 1984Valid through September 30, 2027state license number 72548
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Concord Mazda Official list1001 Burnett, Concord, CA, 945204.7 1033 Google reviewsLicensed to May 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1001 Burnett, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since May 2017Valid through May 31, 2027state license number 286859
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Smog Express Richmond Official list12440-A San Pablo Ave., Richmond, CA, 948054.8 768 Google reviewsLicensed to December 2026Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    12440-A San Pablo Ave., Richmond, CA, 94805
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since December 2011Valid through December 31, 2026state license number 267529
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Hanlees Hilltop Toyota Official list3233 Auto Plaza Dr, Richmond, CA, 948064.1 1948 Google reviewsLicensed to January 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    3233 Auto Plaza Dr, Richmond, CA, 94806 no map position published
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since February 1995Valid through January 31, 2027state license number 181947
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Valvoline Express Care Official list3412 Hillcrest Ave, Antioch, CA, 945314.8 587 Google reviewsLicensed to October 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    3412 Hillcrest Ave, Antioch, CA, 94531
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since November 2007Valid through October 31, 2027state license number 252674
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Concord Nissan Official list1290 Concord Ave, Concord, CA, 945204.4 1021 Google reviewsLicensed to March 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1290 Concord Ave, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since June 2019Valid through March 31, 2027state license number 293683
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Lehmers Concord Buick Gmc Official list1905 Market St, Concord, CA, 945204.4 1015 Google reviewsLicensed to January 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1905 Market St, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since January 1972Valid through January 31, 2027state license number 1944
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • R & R Auto Service Official list6700 Fairmount Ave, El Cerrito, CA, 945304.8 529 Google reviewsLicensed to January 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    6700 Fairmount Ave, El Cerrito, CA, 94530
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since July 2003Valid through January 31, 2027state license number 226044
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Autotech Blackhawk Official list3600 Camino Tassajara, Danville, CA, 945064.9 445 Google reviewsLicensed to December 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    3600 Camino Tassajara, Danville, CA, 94506
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since October 2020Valid through December 31, 2026state license number 292861
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Clear Blue Test Only Smog Station Official list2850 Crow Canyon Road, San Ramon, CA, 945834.8 469 Google reviewsLicensed to September 2027Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2850 Crow Canyon Road, San Ramon, CA, 94583
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since February 2006Valid through September 30, 2027state license number 241700
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Smog Guys Official list1800 A Street, Antioch, CA, 945094.9 406 Google reviewsLicensed to November 2026Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1800 A Street, Antioch, CA, 94509
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since November 2018Valid through November 30, 2026state license number 292727
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Concord Chevrolet Official list1330 Concord Ave, Concord, CA, 945204.1 1305 Google reviewsLicensed to February 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1330 Concord Ave, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since April 2003Valid through February 28, 2027state license number 226170
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • All Star Ford Official list3800 Century Way, Pittsburg, CA, 945654.3 866 Google reviewsLicensed to December 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    3800 Century Way, Pittsburg, CA, 94565
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since December 2012Valid through December 31, 2026state license number 271032
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Ace Auto Smog Official list3600 Pacheco Blvd, Martinez, CA, 945534.9 376 Google reviewsLicensed to August 2027Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    3600 Pacheco Blvd, Martinez, CA, 94553
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since August 2020Valid through August 31, 2027state license number 297729
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Acura Of Concord Official list1340 Concord Ave, Concord, CA, 945204.5 632 Google reviewsLicensed to December 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1340 Concord Ave, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since January 2020Valid through December 31, 2026state license number 296305
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • All Star Hyundai Official list3950 Century Court, Pittsburg, CA, 945654.4 712 Google reviewsLicensed to September 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    3950 Century Court, Pittsburg, CA, 94565
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since June 2019Valid through September 30, 2027state license number 263308
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Star Smog Official list997 23rd Street, Richmond, CA, 948044.8 407 Google reviewsLicensed to July 2027Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    997 23rd Street, Richmond, CA, 94804
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since July 2013Valid through July 31, 2027state license number 273724
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Solano Way Auto Repair Official list2197 Solano Way, Concord, CA, 945204.9 354 Google reviewsLicensed to September 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2197 Solano Way, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since September 2010Valid through September 30, 2027state license number 263302
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Fire House Smog Official list2900 Lone Tree Way, Antioch, CA, 945094.7 454 Google reviewsLicensed to January 2027Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2900 Lone Tree Way, Antioch, CA, 94509
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since January 2015Valid through January 31, 2027state license number 279070
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Ace Auto Repair & Tire Official list2560 San Ramon Valley Blvd, San Ramon, CA, 945834.8 396 Google reviewsLicensed to July 2027Smog Station - Test & RepairEmissionsDetails
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    Address
    2560 San Ramon Valley Blvd, San Ramon, CA, 94583
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since July 2021Valid through July 31, 2027state license number 300381
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Hj Smog Official list2111 Fremont Street, Concord, CA, 945204.8 382 Google reviewsLicensed to December 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2111 Fremont Street, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since December 2025Valid through December 31, 2026state license number 314814
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Aamco Walnut Creek Official list1410 Autocenter Dr, Walnut Creek, CA, 945974.9 333 Google reviewsLicensed to April 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1410 Autocenter Dr, Walnut Creek, CA, 94597
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since August 2016Valid through April 30, 2027state license number 244643
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Walnut Creek Cadillac Official list2390 N Main St, Walnut Creek, CA, 945964.6 455 Google reviewsLicensed to July 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2390 N Main St, Walnut Creek, CA, 94596
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since January 1980Valid through July 31, 2027state license number 80143
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Richmond Smog Official list12923 San Pablo Ave Ste A, Richmond, CA, 948065.0 271 Google reviewsLicensed to February 2027Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    12923 San Pablo Ave Ste A, Richmond, CA, 94806
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since March 2018Valid through February 28, 2027state license number 289714
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Richmond Star Smog Official list12267 San Pablo Ave, Richmond, CA, 948055.0 271 Google reviewsLicensed to October 2027Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    12267 San Pablo Ave, Richmond, CA, 94805
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since October 2022Valid through October 31, 2027state license number 303990
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Hilltop Chrysler Jeep Dodge Ram Official list3291 Auto Plaza, Richmond, CA, 948064.4 550 Google reviewsLicensed to July 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    3291 Auto Plaza, Richmond, CA, 94806
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since March 1998Valid through July 31, 2027state license number 195401
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Roesbery Car Care Official list3099 N. Main St., Walnut Creek, CA, 945974.8 311 Google reviewsLapsedSmog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    3099 N. Main St., Walnut Creek, CA, 94597
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LapsedLicensed since September 2012Expired September 30, 2026state license number 270200
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Walnut Creek Ford Official list1800 N Main St, Walnut Creek, CA, 945964.4 480 Google reviewsLicensed to September 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1800 N Main St, Walnut Creek, CA, 94596
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since September 1989Valid through September 30, 2027state license number 149297
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • German Sport Official list1400 Autocenter Dr, Walnut Creek, CA, 945974.9 233 Google reviewsLicensed to February 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1400 Autocenter Dr, Walnut Creek, CA, 94597
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since April 2020Valid through February 28, 2027state license number 296714
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Bayside Smog Llc Official list2849 Willow Pass Road, Concord, CA, 945194.8 257 Google reviewsLicensed to February 2027Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2849 Willow Pass Road, Concord, CA, 94519
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since July 2025Valid through February 28, 2027state license number 311507
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Smog Star Express Official list1130 Detroit Ave #1, Concord, CA, 945204.3 485 Google reviewsLicensed to July 2027Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1130 Detroit Ave #1, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since July 2014Valid through July 31, 2027state license number 277294
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Smog Guys Official list2094 Market Street, Concord, CA, 945204.8 229 Google reviewsLicensed to February 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2094 Market Street, Concord, CA, 94520
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since February 2023Valid through February 28, 2027state license number 304899
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Above All Smog Official list2045 San Ramon Valley Blvd, San Ramon, CA, 945835.0 172 Google reviewsLicensed to December 2026Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    2045 San Ramon Valley Blvd, San Ramon, CA, 94583
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since December 2016Valid through December 31, 2026state license number 285495
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Michael C Stead Inc Dba Hilltop Ford Kia Official list3280 Auto Plaza, Richmond, CA, 948064.4 344 Google reviewsLicensed to August 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    3280 Auto Plaza, Richmond, CA, 94806
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since August 1995Valid through August 31, 2027state license number 185180
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • San Ramon Valley Import Center Official list31 Beta Ct # G, San Ramon, CA, 945834.8 206 Google reviewsLicensed to December 2026Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    31 Beta Ct # G, San Ramon, CA, 94583
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since February 2019Valid through December 31, 2026state license number 292939
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Star Smog Official list1225 Parkside Drive, Walnut Creek, CA, 945964.4 316 Google reviewsLicensed to January 2027Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    1225 Parkside Drive, Walnut Creek, CA, 94596
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since January 2013Valid through January 31, 2027state license number 271379
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Pacheco Smog Official list5301 Pacheco Blvd, Pacheco, CA, 945534.8 172 Google reviewsLicensed to August 2027Smog Station - Test OnlyEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    5301 Pacheco Blvd, Pacheco, CA, 94553
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since August 2010Valid through August 31, 2027state license number 262992
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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  • Clayton Auto Service Official list4746 Clayton Rd, Concord, CA, 945214.5 227 Google reviewsLicensed to February 2027Smog Station - Test & RepairEmissionsDetails
    Open in Google MapsDirectionsWebsite
    Address
    4746 Clayton Rd, Concord, CA, 94521
    County
    Contra Costa
    Phone
    Not published by this source
    Record
    LicensedLicensed since February 2017Valid through February 28, 2027state license number 285959
    Source
    Public licensee list (Automotive Repair), California Bureau of Automotive Repair (check it at the source)
    Last checked
    September 27, 2026

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Towns in Contra Costa County

About this data

Where the list comes from and what it does and does not say
173in the directory
168license unexpired
5license lapsed
23cities
11ymedian years licensed
156rated
4.5average score
10thby size in this category

The largest concentration is in Concord: 36 of 173 (21%). Other cities covered include Richmond (21), Walnut Creek (21), Antioch (16), Brentwood (9), Pittsburg (9), and 17 more.

Of the 173 entries here whose register publishes license dates, 168 have a license that has not expired and 5 have one that has lapsed.

Lapsed records stay on the page and are marked as lapsed.

Across the 173 entries with a recorded first-issue date, the median has held a license for 11 years. The longest-standing is Lehmers Concord Buick Gmc, first licensed in January 1972, 54 years ago.

The license classes represented here are Smog Station - Test & Repair (106), Smog Station - Test Only (61), Vehicle Safety Systems Inspection Station (4), Smog Station - Repair Only (2).

128 have a website.

This list publishes no phone numbers, so no listing drawn from it shows one. That is how the source publishes it, not a gap in this record.

10 of the 173 entries could not be placed on a map: the register gives a PO box, a bare route number or a road junction rather than a street address, and 10 of those are currently on the register. They are listed and searchable here by name, city and county, but not on the map.

156 of the 173 have a Google rating, averaging 4.5 across 72537 reviews. Scores run from 2.7 to 5.0.

Contra Costa County ranks 10th of the 41 counties covered in this category, holding 3% of the listings, ahead of 31 others.

Every record on this page comes from Public licensee list (Automotive Repair), published by California Bureau of Automotive Repair on dca.ca.gov as dataset AutomotiveRepair_1310.

What the rules require

Contra Costa County: questions

Which cities in Contra Costa County have stations?
By count: Concord (36), Richmond (21), Walnut Creek (21), Antioch (16), Brentwood (9), Pittsburg (9), San Ramon (9), El Cerrito (8), San Pablo (7), Martinez (6), plus 13 more. Addresses, license class and, where the register publishes them, license dates are in the list above.
How many of these stations are still licensed?
168 of the 173 whose register publishes dates hold a license that has not expired, and 5 have one that has lapsed. The official register lists live and lapsed records together; the split here is computed from the expiry date it publishes.
How long have they held their licenses?
Across the 173 with a recorded first-issue date the median is 11 years, and the longest is 54 years: Lehmers Concord Buick Gmc, first licensed in January 1972.
How many are rated?
156 of 173 have a Google rating, averaging 4.5 across 72537 reviews.
Why are some entries missing from the map?
10 of these 173 records give a PO box, a bare route number or a road junction instead of a street address, so no coordinate could be derived for them. They are still listed and searchable by name, city and county, and they are left out of the map and the "nearest to me" results. Placing a PO box at a plausible-looking point would make the map look complete and be wrong.

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These records come from state registers and the registers are not perfect. If a listing is closed, has moved, or the license details do not match what the state told you, say so and it gets checked against the source.

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