Final answer:
Differential cracking in a residential foundation is often an indication of a structural problem, especially if the cracks resemble mudcracks which are wider at the top. Improper gutters can contribute to these issues, but other causes may exist, and such conditions should be investigated professionally.
Step-by-step explanation:
Differential cracking in a residential foundation can be an indicator of several issues. While minor cracking can sometimes be typical due to settling or concrete shrinkage, significant or progressive differential cracking usually suggests a structural concern that may need to be addressed. This type of cracking means that it is not uniform, and the crack widths are wider at the top and narrow towards the bottom, resembling mudcracks. Improper gutters can contribute to foundation problems by allowing water to accumulate near the foundation, but this is just one of many potential causes of differential cracking. If such cracking is observed, it should not be dismissed as merely a condition to monitor; it could be an indication of a structural problem and might require further investigation by a professional.