Have the licensed plumber that was initially called for this issue provide you with a report of the items found as the cause of the blockage and the recommendations, preferably you should also have photos of the items causing the blockage.

They will have to open this area to remove/push the blockage here to get proper flow.

They will have to open this area to remove/push the blockage here to get proper flow.

Hi All,I have a property under contract in Pittsburgh that has a blockage 85 feet down the sewer line so the plumbers are unable to confirm whether the line is free of damage beyond that point.

I'm assuming the blockage is far enough down that you can't trace it to a single unit.

Resulting clogs or blockages to all or part of the water system may be very difficult to remove.Refuge for many woodland creatures. 

Here’s the clause from my lease that addresses it: “Tenant shall be charged for repair of drain blockages or stoppages, unless caused by defective plumbing parts or tree roots invading sewer lines.”

For additional context:There doesn't seem to be an immediate problem with sewer blockage.

As for the P-trap, I know where the "blockage" or frozen part was not near the P-trap of the sink.

I got a call the other morning at 4am from a tenant that was distressed because another tenant had come home drunk at 2am, turned up the stereo and proceeded to pass out in her apt, and none of the tenants could get her to come to the door so they called the police and after an hour of beating on the door they finally woke her up at 4:30.Try a sewer pipe backed up because a tenant flushed feminine products down the toilet and your the one that has to snake the system from in front of the blockage because it's the only way to get to it without draining 200 gallons of sewage on the basement floor, knowing that once you free the blockage you better get the snake out fast and the cap put on the clean out.