Emissions testing service near Sebastopol, CA

We're a family owned and operated independent automotive repair & service facility serving Sonoma County for almost 10 years. We're very committed to our work and make sure you get the very best , accurate and friendly services with a 1 year/12k mile warranty.

What a great shop! Prices are really good and service is 5 star!

I've been using Yotaluma for YEARS and can't say enough good things about Ryan. We recently moved from the area (a two hour drive) and I STILL bring my Toyota Matrix back to Yotaluma. Honest, fast, responsive. Yes, as good as it gets. Larry F. El Dorado Hills, CA

I had a long time mechanic who passed away. I was referred to Williams Auto Care and will be a long time customer. They are fantastic. Fair in pricing, detailed in their work and customer oriented!. They identified future work, but did not proceed with the work!! I appreciate that. They will get all my business.