Brian Hastmann
Brian Hastmann at Koons White Marsh Chevrolet

Brian Hastmann | Page 5

Service Lane Manager

Koons White Marsh Chevrolet

10207 Philadelphia Road
White Marsh, MD 21162

Contact Me
4.9
130 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, 8 mos

Industry Experience

21 yrs, 8 mos

Languages Spoken

English English

4.9

130 Reviews

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130 Reviews of Brian Hastmann

November 19, 2025

Dealership Rating
Employee Rating

I've been dealing with Koon's since 2007. They have kept my car running for 18 years. More

by svhopkin@yahoo.com
Service Price Transparency
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Recommend Dealer
Yes

Other Employees Tagged: Josh Chernault, Courtney Krause

November 18, 2025

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Work was competed quickly and correctly. Service representative was helpful getting things scheduled, keeping me informed. More

by rsteve178
Service Price Transparency
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Recommend Dealer
Yes

November 18, 2025

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Brian was extremely nice and helpful, and provided exactly what I asked for as far as requested services. More

by cjhenry5419
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Recommend Dealer
Yes

November 17, 2025

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Both Koons Chevrolet & Tom Howard, my service writer/liason, have performed admirably in providing professional proficiency insofar as the work being done, amicable & patient audience in listenin More

by karlcb333
Service Price Transparency
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Recommend Dealer
Yes

Other Employees Tagged: Courtney Krause, Thomas Howard

November 17, 2025

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I service all of my vehicles at Koons Chevrolet and have found it reasonably quick and friendly here. More

by skyviewventures2015
Service Price Transparency
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Recommend Dealer
Yes

Other Employees Tagged: Josh Chernault

November 17, 2025

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Friendly and helpful staff. Everyone takes our business seriously and help however possible. We use the sales, parts, and service departments and all are equally superior. More

by Jholden
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Recommend Dealer
Yes

November 14, 2025

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They were very knowledgeable and professional. They figured out the issue with my vehicle within a couple hours. I was back on the road. If I need to come back for any type of maintenance, this is More

by Jwade1234
Service Price Transparency
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Recommend Dealer
Yes

Other Employees Tagged: Josh Chernault

November 13, 2025

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Every time I visit y’all y’all always thoughtful concern and in detail to what needs to be done and what gets done.. very professional and knowledgeable of the automotive service areas. More

by robinsworld2918
Service Price Transparency
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Recommend Dealer
Yes

Other Employees Tagged: Josh Chernault

November 13, 2025

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Courteous and efficient! Great communication. Courtesy shuttle was convenient as well. Service writer was excellent More

by lawest02
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Recommend Dealer
Yes

November 13, 2025

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Not too pleased with the AI system initiated at Koons Service Dept. Prefer talking to a human on the phone. Was not sure the AI understood what it was I was requesting and for which of the 2 Chevies I r More

by pipe.fitter
Service Price Transparency
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Recommend Dealer
Yes
Nov 20, 2025

Koons White Marsh Chevrolet responded

Thank you for sharing this feedback and for recognizing Brian’s assistance at checkout. I appreciate your comments about the AI phone system, payment process, and the missed 13-point inspection report, and I’d value the opportunity to review your visit and preferences in more detail. Please don’t hesitate to reach out to me directly so we can discuss this further. Best, Christian Stark Customer Relations Manager christian.stark@koons.com 443-421-0433

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