At Mark 4 Plumbing, we handle all aspects of lateral plumbing services, connecting your home or business to the municipal water and sewer system safely and efficiently. Lateral lines are a critical part of your property’s underground plumbing infrastructure, and we specialize in inspecting, replacing, and repairing lateral pipes with precision. With over four decades of field experience, we ensure every lateral line service is completed with accuracy, code compliance, and long-lasting results.