Everything turned out fine in the end with Cupertino Plumbing. Everything is working fine now that they've finished up. They did a nice, clean job and I'm very happy with it. What they did is to replace some pipes that were rusted out and leaking slightly. Once we got into it, it turned out that quite a few of the pipes under the kitchen sink were old and needed to be redone. This was my first time with Cupertino Plumbing but I would go back. They're located closer to me now, right up the street, and I found them to be very helpful. The pricing didn't seem out of the ordinary so it seemed fair to me.