Looking for A Skilled Tile Contractor in San Mateo, CA. When you hire Pro Grout, a locally owned and operated firm, to work on your tile and grout, you'll benefit from our specialized knowledge and extensive equipment that you may not otherwise have access to. We always partner with our clients to help them plan out the best way to proceed with their project. In many cases, our suggestions and advice enable them to save time and money. We're ready to bring our high-quality professionals to bear on your project to ensure that it's completed promptly and without going over budget.