Audio & Electronics

Custom mobile electronics (CME), formerly known as “Cartronics of Marin”, is northern California’s premier mobile electronics shop. with over 50 years combined experience in the custom car audio and electronics industry, Marty Barry and Associates, have an established reputation for their meticulous attention to quality and precision work while using only the best brands in the industry.


Audio navigation & video upgrade

Integrated lidar & radar detection services

Custom fabrication

Backup camera & parking sensors

Bluetooth & ipod integration

Security systems & remote start

Audiophile sound system design

Vehicle calibration

Window tinting & paint protection film

Detailing service

Vehicle pickup & delivery

About GMP Cars

GMP CARS is an alliance of automotive services including mechanical repairs, collision repairs and refinish, and restoration services flowing together under one roof and offering customers a one-stop-shop experience. Our extraordinary team of carefully selected experts specializes in quality maintenance, precision restoration, and high-end enhancements to the finest cars in Northern California.


“Excellent customer service and work done quickly and pleasantly. Was so happy with their help and work that I would recommend then to anyone I know . Kind and honest. A rare commodity so feel assured that they will take care of you and your car with excellent quality and honesty. Thank you for taking care of my car.”

Michelle M.
San Rafael, CA

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Novato - GMP Cars
74 & 86 Hamilton Drive
Novato, CA 94949
(415) 883-2041

San Francisco - GMP Cars
2575 Marin St
San Francisco, CA 94124
(415) 780-4913

San Rafael - GMP Cars
1345 E. Francisco Blvd.
San Rafael, CA 94901
(415) 456-1992

Vallejo - GMP Cars
850 Redwood St - Suite D
Vallejo, CA 94590
(707) 515-4011

Fremont - GMP Cars
4878 Davenport Place
Fremont, CA 94538
(510) 490-9000

Fairfield - GMP Cars
1350 N Texas Street
Fairfield, CA 94533
(707) 426-0686

Santa Clara - GMP Cars
2578 Lafayette Street
Santa Clara, CA 95050
(408) 648-2900

Santa Rosa - GMP Cars
1600 Piner Road
Santa Rosa, CA 95403
(707) 595-3086