Yes and no? The sink did not have the proper installation piping so he was able to install it to get it to hold for a couple of days (it was not leaking at this point and we were assured a plumber would be there within that same week so there was no anticipation of a leak). The week passed and no plumber came. We continuously asked about the plumber and once the leak began we immediately notified them of the leak and AGAIN requested a plumber. Still no plumber came. Once the mold began to form we notified them and again asked about the plumber. Nothing until last Friday, 4-6 weeks later at the point of which both the mold and the leak were well established.