CA License #641729. With more than 38 years of experience, David Foster leads epoxy flooring Riverside. For almost 4 decades we have been one of the leading epoxy floor companies in Riverside, installing specialized epoxy solutions for homeowners and commercial properties. This versatile floor system can be used for a wide range of applications with benefits you can’t get with other floor systems. No matter what you are envisioning, we can make it happen with custom epoxy formulations.