Create the home or office you've always wanted with the help of Quality Construction Co. We offer residential / home and commercial remodeling in Danville, California, and the surrounding East Bay area. Contact us to tell us about your next remodeling project today. Quality Construction Co. of California is a full-service construction company that's been serving the Greater Bay Area since 1975. It's always been our goal to provide superior quality remodeling on time and within your budget. We specialize in complete remodeling, but also have extensive experience in all phases of new construction, design, and drafting.