What is the frost line in Charleston sc?

The frost line in Charleston, SC, typically ranges from 2 to 4 inches below the surface. This is the depth at which the ground is expected to freeze during winter months, influencing construction practices, especially for foundations and Plumbing. Due to Charleston's mild climate, the frost line is relatively shallow compared to colder regions. It's important for builders and homeowners to consider this depth to prevent damage from freezing temperatures.