Costas Hernandez
Costas Hernandez at Cobb County Toyota

Costas Hernandez

Service Advisor

Cobb County Toyota

2111 Barrett Lakes Blvd
Kennesaw, GA 30144

4.7
259 Reviews
4.7

259 Reviews

Write a Review

259 Reviews of Costas Hernandez

May 28, 2025

Dealership Rating
Employee Rating

First visit with my new Toyota: Waited 1-3/4 hours and had to find someone to check on my car's status. It was super busy. Hoping next time isn't so bad. More

by cadles5
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

May 23, 2025

Dealership Rating
Employee Rating

Dropped off my truck to have my breaks done, everyone was friendly and nice they called me when it was done no up selling at the price that was quoted More

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

May 19, 2025

Dealership Rating
Employee Rating

I visited this Toyota service center at 2pm, for a standard oil change and tire rotation. I have been coming here for ten years and I always get my car serviced here, no matter what. I always receive More

by ALEXIS.MAYB
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No

Other Employees Tagged: Simon Chan , Mckenzie was amazing, and extremely helpful

May 15, 2025

Dealership Rating
Employee Rating

The people that work here are very nice and helpful. Only thing is Toyota themselves makes a sensor covered under warranty that isn't supposed to fail, and then makes the customer pay for the expensive More

by kaitlynking0116
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

May 14, 2025

Dealership Rating
Employee Rating

Fast service very clean and efficient able to use coupons but wish they had better coupons for my oil change More

by K Mcclendon
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

May 14, 2025

Dealership Rating
Employee Rating

Excellent service department. There was a lot of customers bringing their cars in but they still got my oil changed in and out in a hour. Their service advisors are top notch and More

by FLITOW123
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

May 11, 2025

Dealership Rating
Employee Rating

Costas is super! They are good when you can reach them to make an appointment, but if you leave a message, chances are good you will not hear from them. The quality o More

by BONSECOURH
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Bernard Faulk

May 10, 2025

Dealership Rating
Employee Rating

Costas was very nice and he later introduced me to Mark in the service department. Mark simply went out of his way to help me when the problem with my car was not happening while I was at Cobb. While we More

by WALKER88
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Mark - Service Dept.

May 07, 2025

Dealership Rating
Employee Rating

I did not have an appointment and I was able to get my car serviced withing one hour! More

by PATTI7
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

May 04, 2025

Dealership Rating
Employee Rating

It seems the service department may have changed management as they don’t appear to be as knowledgeable or customer friendly as before More

by JBWHITE1215
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
1
...

Dealership Inventory (239 Vehicles)

used 2024 Toyota Tacoma car, priced at $35,977
2024 Toyota Tacoma
used
Silver exterior
Automatic
Rear-wheel Drive
used 2024 Subaru Crosstrek car, priced at $33,547
2024 Subaru Crosstrek
used
Ice Silver Metallic exterior
CVT
All-wheel Drive
used 2025 Hyundai Tucson car, priced at $29,777
2025 Hyundai Tucson
used
White Pearl exterior
Automatic
Front-wheel Drive
used 2025 Toyota Corolla car, priced at $24,777
2025 Toyota Corolla
used
Blueprint exterior
CVT
Front-wheel Drive
used 2024 Hyundai Venue car, priced at $21,297
2024 Hyundai Venue
used
Red exterior
CVT
Front-wheel Drive
used 2025 Toyota Camry car, priced at $31,977
2025 Toyota Camry
used
Ocean exterior
CVT
Front-wheel Drive