If the lines were replaced/updated at any time...great, but I bet the drains weren't, and the underground is crumbling, or will, or has been.5 - Plaster walls. 

Need to install a small septic tank and drain field.

Bathroom sink draining slow.

This is my last attempt to communicate and work something out or I will be forced to get my attorney involved (make it clear this is not the route you want to take as evictions are long, draining, and go on their record making it difficult to rent) I added...

Check for French drains.

Calling a GC for a clogged drain or bad ceiling fan is like calling a moving company to clean out a closet. 

Washing machine drain: Water should readily drain into washing machine drain without any back-ups.Utility room: should be free of debris, motor vehicle parts, and flammable materials.Kitchen --Stove: should be clean and free of food and grease.Refrigerator: should be clean.

Recently in my quarterly visits I like replacing the hvac filters, run some diluted chlorine down the ac drain line, the water is very hard so I recently started running some drano down the lines.

or just replace a drain and electrical box?

There is also a max size to them and it is usually based on the available size of a drain field you can install and the type of soil you have.