Costas Hernandez
Costas Hernandez at Cobb County Toyota

Costas Hernandez

Service Advisor

Cobb County Toyota

2111 Barrett Lakes Blvd
Kennesaw, GA 30144

4.6
316 Reviews
4.6

316 Reviews

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316 Reviews of Costas Hernandez

March 30, 2026

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Employee Rating

There wasn't much of a wait. The service writer helped with all my questions. More

by COOKINJT50
Service Price Transparency
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Recommend Dealer
Yes

March 27, 2026

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Great Service Center who got my flat tire fixed, but not in enough time to make a very important meeting, so they gave me a rental car - meeting made. Costas Hernandez (2) should be given Employee of the Y More

by RHONDADYE83
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Recommend Dealer
Yes

March 27, 2026

Dealership Rating
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Costas is great - he always takes time to explain everything and is super helpful when it comes to choosing what exact service is a necessity vs what can wait. Definitely feel like I can trust him a More

by afrancis333
Service Price Transparency
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Recommend Dealer
Yes

March 18, 2026

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Experience was great. Costas was very helpful and kept me updated on the status of the car More

by Kmy
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Recommend Dealer
Yes

March 05, 2026

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Excellent communication, thorough and completed the work in a timely fashion Explained the work that needed to be done. More

by LISAHUB
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Recommend Dealer
Yes

February 28, 2026

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Happy overall with time and service, except the mechanics failed to reset the button which caused me to continue to get a message that service was needed. I drove back into the service area and they took ca More

by wdlerner
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Recommend Dealer
Yes

February 15, 2026

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Costas did a great job taking care of us! ! Thanks for for asking. Cobb County Toyota was a great place to buy a vehicle and then get it serviced!! More

by Josh
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Recommend Dealer
Yes

January 23, 2026

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Very quick and efficient service . Very courteous staff and great customer service.clean environment.n More

by LAURAMAE.JAMES
Service Price Transparency
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Recommend Dealer
Yes

January 17, 2026

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30K mile service on 4Runner, got it done in about an hour which was great. Friendly, and transparent pricing. More

by subway.art0s
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Recommend Dealer
Yes

January 08, 2026

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Employee Rating

Since 2007 I have come to this location for ALL my oil changes and services. Nothing really “special” about this location for me to refer anyone here. This past experience the agent was not pleasant. Not More

by EZ1207
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Recommend Dealer
No

Other Employees Tagged: JC Cooper

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