Costas Hernandez
Costas Hernandez at Cobb County Toyota

Costas Hernandez

Service Advisor

Cobb County Toyota

2111 Barrett Lakes Blvd
Kennesaw, GA 30144

4.6
309 Reviews
4.6

309 Reviews

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309 Reviews of Costas Hernandez

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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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

January 06, 2026

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Left bolt loose on skid plate after oil change. So skid plate was rattling in stop and go traffic More

by JEFFREYECOLVARD
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Recommend Dealer
Yes

December 31, 2025

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My car did not get fixed way I wanted to. I need to take the car for the shop again. More

by HSUZUKI
Recommend Dealer
Yes

December 25, 2025

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Had to wait way too long for just an oil and filter change, hopefully the wait time will get better soon More

by GARMONCJ
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Recommend Dealer
Yes

December 23, 2025

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Friendly and professional service with competitive prices. Costas is the best - very knowledgeable and trustworthy! More

by SHERRY8
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Recommend Dealer
Yes

December 16, 2025

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They finished early and they kept me informed at every step they were the bomb! More

by SPUDLYMCGURK
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Recommend Dealer
Yes

December 13, 2025

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We bought our Highlander 22 brand new from this dealership. We added an extended warranty for any repairs, my trunk door was having issues closing and opening, if we use the warranty we shouldn’t h More

by Maritzavette Badea
Service Price Transparency
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Recommend Dealer
No

December 10, 2025

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Very helpful, thorough, and fast. Good experience. I will definitely be there again soon. Thanks. More

by JBURKH8660
Service Price Transparency
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Recommend Dealer
Yes

Other Employees Tagged: Katie Fuller, Zach Claybrooks

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