Welcome to
DealerOn Mazda
From the day we opened our doors, DealerOn Mazda has had one priority: you. We've dedicated ourselves to offering the best cars, trucks, and SUVs to our local Maryland communities by following the principles on which the first DealerOn dealership was founded back in 1980.
More About UsExperience
The Mazda CX-90
The new Mazda CX-90 was crafted to create a connection between driver, passenger and every journey shared. A 3-row SUV designed with precision to elevate every moment together.
View InventoryMazda Dealership in Derwood, MD
A Welcoming Space
DealerOn Mazda serves the Rockville and Gaithersburg areas of MD with a stress-free sales experience and a finance department that can find financial solutions to save you money and fit within any budget or credit situation. In fact, our website offers several online tools like a Payment Calculator and our Get Pre-Approved feature that help you plan ahead. We are your one-stop shop for finding your next vehicle. Visit us at 7361 Calhoun Place, Derwood, MD 20855 today.
View Hours & DirectionsMazda Certified Pre-Owned
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Trade AppraisalDealerOn Mazda
Derwood, MD
7361 Calhoun Place, Derwood, MD 20855
Hours
Sales
| Monday | 9:00AM - 9:00PM |
| Tuesday | 9:00AM - 9:00PM |
| Wednesday | 9:00AM - 9:00PM |
| Thursday | 9:00AM - 9:00PM |
| Friday | 9:00AM - 9:00PM |
| Saturday | 9:00AM - 8:00PM |
| Sunday | 1:00PM - 7:00PM |
Service
| Monday | 7:00AM - 7:00PM |
| Tuesday | 7:00AM - 7:00PM |
| Wednesday | 7:00AM - 7:00PM |
| Thursday | 7:00AM - 7:00PM |
| Friday | 7:00AM - 7:00PM |
| Saturday | 7:30AM - 6:00PM |
| Sunday | 9:00AM - 5:00PM |
BUILT FOR PASSIONATE PURSUITS
DRIVING FORWARD WITH CONFIDENCE
Our dedication to safety meets our drive to innovate in a proactively integrated suite of advanced safety features. Each one is engineered to help keep you and your passengers safe—without compromising your drive.
COMMITTED TO SAFETY
Mazda has been named the Safest New-Car Brand by Consumer Reports magazine. This distinction highlights the brand's commitment to driver and passenger protection. Through thoughtful design and advanced safety technologies, Mazda continues to raise the bar for confidence on every journey.
Consumer Reports does not endorse products or services.
THERE'S A NEW LEADER IN SAFETY
For the third year in a row, Mazda has debuted as the industry leader in the IIHS TOP SAFETY PICK+ awards. The 2026 Mazda CX-30, CX-50 and CX-50 Hybrid, CX-70, CX-70 Plug-in Hybrid, CX-90, CX-90 Plug-in Hybrid, Mazda3 Hatchback, and Mazda3 Sedan have all won 2026 IIHS TOP SAFETY PICK+ awards. Visit www.iihs.org to learn more.