National Home Inspector Practice Exam 2026 - Free Home Inspector Practice Questions and Study Guide

Inadequate grading can significantly impact a home's foundation and overall structural integrity. When the ground slopes towards the home instead of away from it, rainwater and surface runoff may collect and pool around the foundation. This accumulation of water can increase hydrostatic pressure against the foundation walls and lead to a variety of issues such as dampness in the basement or crawl space, mold growth, and even structural damage over time due to erosion or water intrusion.

Proper grading is essential to ensure that water flows away from the foundation, helping to maintain a dry and stable environment. This is particularly important in areas prone to heavy rainfall, as it can prevent costly repairs and protect the home's structural integrity.

The other options are less relevant in the context of grading. For instance, while access to utilities can be influenced by landscaping, it’s not a direct effect of inadequate grading. Similarly, inadequate grading does not enhance landscaping opportunities or improve insulation effectiveness, which are unrelated to how grading impacts water drainage and foundation stability.