
Brian Hastmann
Service Lane Manager
Koons White Marsh Chevrolet
10207 Philadelphia Road
White Marsh, MD 21162
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.
Read moreDealership Experience
21 yrs
Industry Experience
21 yrs
Languages Spoken
English
54 Reviews
Write a Review54 Reviews of Brian Hastmann
September 30, 2025
Service department employees were Courteous and knowledgeable. Service was completed in less time than was estimated. knowledgeable. Service was completed in less time than was estimated. More
September 30, 2025
Brian was great he returned my email promptly and made sure everything was ready when I arrived for my appointment to have my tire replaced. sure everything was ready when I arrived for my appointment to have my tire replaced. More
Other Employees Tagged: Brandon Behr
September 30, 2025
It just took a lot longer than I expected,. they did not fill all my fluids in the truck they had to take it back. they did not fill all my fluids in the truck they had to take it back. More
Other Employees Tagged: Dan Hasselberger, Thomas Howard
September 30, 2025
Pleased that they warrantied our Catalytic converter. The process was straightforward. We will continue having our Fleet serviced there. The process was straightforward. We will continue having our Fleet serviced there. More
Other Employees Tagged: Courtney Krause
August 22, 2025
I was in Koons at 8:30 AM. They finished the tire change at 12:30 PM. On my way home. The very tired that was changed went flat. Had to be towed back to Koons where I had to wa They finished the tire change at 12:30 PM. On my way home. The very tired that was changed went flat. Had to be towed back to Koons where I had to wait an additional two hours more. Donna S More
Other Employees Tagged: Dan Hasselberger, Josh Chernault, Shane Floyd, Thomas Howard
August 20, 2025
Brian was a great service guy. He told you what the problem was told you when you would get your car and what more can I say? It was a very pleasant experience. He told you what the problem was told you when you would get your car and what more can I say? It was a very pleasant experience. More

