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911 Design

911 (nine-eleven) Design is a full-service repair and restoration facility located in the city of Montclair, CA, a suburb of Southern California. In addition to offering standard service, repair and restoration for all Porsche® models, we are known for and specialize in custom fabrication, design and performance upgrades. All of our services are vertically integrated which means we keep all repair, fabrication and auto-body in-house.


The Talent

Years of experience in club and pro racing make 911 Design’s service technicians world-class. While all have general diagnostic abilities, each of them brings a specific area of specialized expertise, which allows us to better align the technician with your needs for service, repair, or fabrication.


The Facility

Our new, state-of-the-art facility has been designed to optimize your service or repair experience. The best lighting, polished floors, clean / organized work stations and uninhibited customer viewing help instill confidence that the utmost care is taken when your vehicle is in our facility.


Our Mission. Our Commitment.

To consistently provide the discerning Porsche owner the expertise, quality work, and exceptional service they expect at a fair price. We will deliver your car clean and on time as promised. Our goal is to create a customer experience that speaks for itself and one you’ll share with your friends and colleagues as a result.

911 Design, 5505 Moreno Street Montclair, CA 91763. 909-982-9111
Porsche & 911 are registered trademarks of Porsche AG. All other brand and product names are trademarks, registered trademarks or service marks of their respective holders.