JD Holding Group LLC is a family-owned and operated STAR Smog Test Station located in Concord, CA. With a commitment to honesty, quality, and value, they provide reliable and efficient smog testing services for all types of vehicles, including RVs and Diesels, using the latest diagnostic technology.
With a team of passionate and qualified technicians, JD Holding Group LLC ensures that your car or truck is in the best hands, offering advanced cutting-edge diagnostics to extend the life of your vehicle. Their dedication to keeping the air clean and providing outstanding service makes them a trusted choice for smog testing in the East Bay area since 2004.
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