Coppell is a city in extreme northwest Dallas and Denton Counties in the U.S. state of Texas, a suburb of Dallas, and bedroom community of the DFW Metroplex. The population is approximately 39,000. A small area in the far northern portion of the city extends into neighboring Denton County. ~Wikipedia
Here is more on the permits and other codes which might be relevant to a foundation repair project in the city of Coppell.
Stratum Foundation Repair also has created several videos showing examples of foundation problems, such as visible cracks. You are welcome to watch our videos at this link.
Here is one of the videos which may give you a better example of a residential property with foundation-related problems: