I was called to do an inspection on a house and the complaint was that the addition was put on 10-15 years ago was not level and the windows and doors do not work in this part of the home. The owner wants a quick fix to the problem, he bought the property 5 years ago (and no he did not need a inspection because his real estate agent informed him it was waste of money.)
The company or most likely a inexperienced home owner forgot to use footers under the concrete blocks.
I gave him the bad news that he will have to call a masonry contractor to probably dig out around his home and install a correct foundation. Then call a licensed carpenter to repair the damage to the homes walls, windows and doors.
I am sure there was visible damage 5 years ago but all he looked at was that the roof was good and he liked the home. Now it is costing him, If only he had home inspection when he bought the place he would have known.