Since we had to go under the floor, we redid all the underground stuff. We replaced the incoming water line from lead to 3/4" copper and Valentin helped with information about getting the city to prioritize us to replace the lead pipe on the city side. We also put in the backflow valve and replaced all the old clay sewer pipe from the city all the way to the main stack of the house. He and his crew were helpful and professional the entire time, even through all the difficulties that inevitably arise. They showed up on time and worked hard until the job was complete.