So the past week we've noticed that the toilet in our house stopped draining. We had the contractors take a look, but they weren't able to determine where the blockage was with their 50' augers. I was going to wait until after all of the construction was done but after I saw some sewage backup in the laundry room, I decided it was time to call in a professional. I was half thinking of calling in the city and having them take a look before getting someone to check out my side of the drain, but I figured that I could get it all done faster if I brought someone in. They came tonight: it took half an hour from when I called for someone to show up. Two hours and a much stinkier house later, we discovered the that drain was plugged up pretty bad about 50' from the back flow valve. This puts the blockage squarely on city property. The plumber had augured our side of the pipe and fished out a lot of root bits from the cleaning attempt. It looks like that giant tree (on city...