Costas Hernandez
Costas Hernandez at Cobb County Toyota

Costas Hernandez | Page 3

Service Advisor

Cobb County Toyota

2111 Barrett Lakes Blvd
Kennesaw, GA 30144

4.6
327 Reviews
4.6

327 Reviews

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327 Reviews of Costas Hernandez

January 08, 2026

Dealership Rating
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
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No

Other Employees Tagged: JC Cooper

January 06, 2026

Dealership Rating
Employee Rating

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

by JEFFREYECOLVARD
Service Price Transparency
Workmanship
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Recommend Dealer
Yes

December 31, 2025

Dealership Rating
Employee Rating

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

Dealership Rating
Employee Rating

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

by GARMONCJ
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

December 23, 2025

Dealership Rating
Employee Rating

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

by SHERRY8
Service Price Transparency
Workmanship
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Recommend Dealer
Yes

December 16, 2025

Dealership Rating
Employee Rating

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

by SPUDLYMCGURK
Service Price Transparency
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Recommend Dealer
Yes

December 13, 2025

Dealership Rating
Employee Rating

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
Workmanship
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Service Communication
Recommend Dealer
No

December 10, 2025

Dealership Rating
Employee Rating

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

by JBURKH8660
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Katie Fuller, Zach Claybrooks

December 07, 2025

Dealership Rating
Employee Rating

The vehicle check in process is random, unorganized and not very professional. I have never seen so many service personnel just sitting around and not reaching out to help when customers pull in. Some will More

by expecttheverybest
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No

December 04, 2025

Dealership Rating
Employee Rating

Costas was quick, efficient, and courteous. He kept me informed as my vehicle was being serviced. More

by sotherls
Service Price Transparency
Workmanship
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Recommend Dealer
Yes

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