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27 Reviews of John Koo
Verified Customer
November 09, 2025
We had an awesome experience with Johnny and Jaik. Love my Mazda and live being a repeat customer. Everyone was super friendly, helpful, and professional. Love my Mazda and live being a repeat customer. Everyone was super friendly, helpful, and professional. More
by ellicerilly
Other Employees Tagged: Jaik
October 31, 2025
Johnny Koo was friendly from the start along with an abundance of knowledge, patience, kindness, and humor. He is a terrific salesman that made me feel comfortable. abundance of knowledge, patience, kindness, and humor. He is a terrific salesman that made me feel comfortable. More
by tracyo
Other Employees Tagged: Jaik
October 13, 2025
Thank you, Mazda Roseville, for providing such remarkable and consistent customer service. I want to extend a special note of gratitude to Ronny Mogannam for making my experience stress-free, enjoyable, and and consistent customer service. I want to extend a special note of gratitude to Ronny Mogannam for making my experience stress-free, enjoyable, and memorable. More
by pazdapoc9
Other Employees Tagged: Herbert Perdomo, Greg Park, Scott Holden, Ronny Mogannam
October 12, 2025
I was the easiest car buying experience I've had. Everyone was great. Loved Johnny! Everyone was great. Loved Johnny! More
by diannacorkill
Other Employees Tagged: Max Cuadras
October 09, 2025
John was most helpful with all of our questions. We were never pushed to buy a vehicle, but we wanted to work with John after spending time looking over the vehicle options with him We were never pushed to buy a vehicle, but we wanted to work with John after spending time looking over the vehicle options with him More
by miller10304
Other Employees Tagged: Scott Holden
October 04, 2025
We had the pleasure of working with Jai Edwards. We absolutely love our Jeep and. can’t thank him enough for his patience with us and giving us a great deal! Super friendly staff & service! We absolutely love our Jeep and. can’t thank him enough for his patience with us and giving us a great deal! Super friendly staff & service! More
by Steph Henry
Other Employees Tagged: Max Cuadras , Jai Edwards
September 28, 2025
Returning and loyal customers so trusted Mazda Roseville’s reputation and service. Mr Koo and everyone especially our finance manager were friendly, knowledgeable, and efficient during leasing pro Roseville’s reputation and service. Mr Koo and everyone especially our finance manager were friendly, knowledgeable, and efficient during leasing process and while our other car was in service bay at the same time. More
by AKICHANI
September 27, 2025
Great overall experience. Thank you… to Johnny Koo, John Ryan,and Scott Holden for making my buying experience easy. Thank you… to Johnny Koo, John Ryan,and Scott Holden for making my buying experience easy. More
by pjmacrorie
Other Employees Tagged: Scott Holden , John Ryan
September 16, 2025
Welcoming, professional sales members whether online or in person. Courteous communication. Large inventory in easy to access environment. in person. Courteous communication. Large inventory in easy to access environment. More
by crawfordrn
Other Employees Tagged: Herbert Perdomo , Steven Harris
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