League City is one of the fastest-growing cities in the greater Houston southeast zone, but its residential neighborhoods span a wide range of ages and conditions. The western League City blocks near the Clear Lake and Webster lines are older, closer to the bay-moisture zone, and share some of the drainage characteristics of the Clear Lake and Seabrook corridor. The newer subdivisions that fill the central and eastern parts of League City sit on clay-heavy soil that was scraped flat for development and has been settling ever since. That settlement and the clay heave cycle creates the same basic turf installation problem throughout League City: a surface that looks flat when it goes in but starts showing grade irregularities within a few years if the base was not built correctly. Artificial Grass of Pasadena handles League City installs with a base-first approach that accounts for the clay movement and the variable drainage behavior across this city. League City is not a single soil profile or a single drainage context. The north-south drainage gradient runs toward Clear Creek, and properties in lower positions within any subdivision can hold water after heavy Gulf rain. We identify those positions during site assessment and address them in the base build, not after the turf is down and the problem is visible.