I would make another choice in companies....they are fast to respond to get the job. After they have the job, you have committed to them....they have you. Calls are return eventually, they say they will come on Monday to do your sewer and show up on Wednesday.
Initial job was completed had a issue a year and half later, same process, took a ton of calls to get them to come... the frustration they bring into ones life in already high stressed time in one`s life is not worth it in my mind...give them a miss and try another one from the city`s list!!!!!