If you are looking for plumbing work that's high-quality and always up-to-date, you have come to the right place. Since 1991, Robert S. Marks Plumbing has done the best work around. It's that kind of experience that lets us say that we can provide you with the highest-quality, most up-to-date and cost-friendly plumbing available. Serving all of Kings and Tulare Counties and surrounding areas - Hours of Operation: Mon-Fri 8am-5pm .