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John Katterman
John Katterman
Product Specialist
Koons Westminster Toyota
375 Baltimore Boulevard
Westminster, MD 21157
2 Reviews
2 Reviews of John Katterman
July 17, 2026
It is very amazing dealership. Thank you And also good customer service, fast service, good relationship, friendly, so everything is good. Love my future plan I’m gonna buy. Thank you And also good customer service, fast service, good relationship, friendly, so everything is good. Love my future plan I’m gonna buy. More
by tesfayedriba
May 15, 2026
Milo is great and I appreciate and respect everyone at Koons Westminster. They are very helpful, kind, and make every visit smooth and easy. I always can count on Koons Westminster being my go to place fo Koons Westminster. They are very helpful, kind, and make every visit smooth and easy. I always can count on Koons Westminster being my go to place for every need. Thanks to everyone and especially the service department for all the help More
by Ky
Verified CustomerOther Employees Tagged: Mary Ann McMorrow, Jeff Schuette, Robert Morris, Michael Schneider, Cliff Hoffman, Damien Lacks, Patrick Staub, Kory Yelton, Steven Zwobot , Milo
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