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Brian Hastmann
Brian Hastmann at Koons White Marsh Chevrolet

Brian Hastmann

Service Lane Manager

Koons White Marsh Chevrolet

10207 Philadelphia Road
White Marsh, MD 21162

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4.9
110 Reviews

Brian has been in the automotive industry since 1993 and at Koons since 2004. Brian is a GM Certified Service Advisor and a GM Mark of Excellence Award winner. What he loves about his job is everyday he gets to meet new people and have new challenges that keep him on his toes making each day a new adventure.

Dealership Experience

21 yrs, 3 mos

Industry Experience

21 yrs, 3 mos

Languages Spoken

English English

4.9

110 Reviews

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110 Reviews of Brian Hastmann

December 27, 2025

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Employee Rating

Everyone was very professional and helpful! I am very satisfied with the service I always receive here. Keep up the great work! More

by firepost1
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Christian Stark, Dan Hasselberger, Maria Taliano, Nick Chapman, Josh Chernault, George Zahariousdakis, Courtney Krause, David Letourneau, Thomas Howard

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December 26, 2025

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Employee Rating

Koons White Marsh is the only dealership that we have used since we moved from western PA 14 years ago. More

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

Other Employees Tagged: Ryan Parker, Dan Hasselberger, Jerry Morreale, Nick Chapman, Josh Chernault, Kelvin Dyson, Courtney Krause

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December 23, 2025

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Employee Rating

I did not need a service that said was needed wind shield wipers I had a front light out that was not declared More

by pkkama@comcast.net
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No
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Dec 25, 2025

Koons White Marsh Chevrolet responded

Ms. Kamasinski, I sincerely apologize for missing your headlamp during check-in and for the frustration it has caused. I have tried to reach you on multiple occasions. Please reach out to me directly at 410-931-8600 ext 27145 so we can resolve this issue together. Thank you, and I hope you have a wonderful holiday season.

December 15, 2025

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Employee Rating

Chris was great! It was first class service. As a working mom I wasn’t sure how I would manage picking my car up but they delivered it right to me. I will recommend t More

by jtaylorson1
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Christian Stark, Dan Hasselberger, Maria Taliano, Nick Chapman, Josh Chernault, George Zahariousdakis, Courtney Krause, David Letourneau, Thomas Howard

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December 12, 2025

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Employee Rating

They are always very thorough in their service reviews and the waiting area has nice amenities for longer waiting jobs. More

by chadaogle
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
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December 12, 2025

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Employee Rating

Things went smoothly and very good communication with the service writer, easy to pay and pick up my vehicle. More

by aedavis614
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Christian Stark, Dan Hasselberger, Maria Taliano, Nick Chapman, Josh Chernault, George Zahariousdakis, Courtney Krause, David Letourneau, Thomas Howard

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December 10, 2025

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Employee Rating

We have purchased numerous new cars from Koons. We always enjoy our new cars. Service Department is superior. Courtney is excellent. More

by EDHECKMAN
Service Price Transparency
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Dan Hasselberger, Jerry Morreale, Courtney Krause

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December 05, 2025

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Employee Rating

It was great service was fast, I always use koons service for all my work More

by toddstackle
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Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
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December 05, 2025

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Employee Rating

It has always been great to deal with, and the service is good and always a great experience More

by toddstackle
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
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December 04, 2025

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Great service and good work really really nice really good really really good good really More

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