cost of repair to burst water main
1 Replacing just the broken section of pipe usually costs $500-$1,000. 2  Replacing the entire main line costs anywhere from about $1,500-$5,000, depending on the size of the pipe, the type of pipe and local labor costs. 3  In most cases, the cost falls closer to $2,000-$3,000.hen a water main breaks, you want to find an experienced professional to fix the problem as quickly as possible. Unfortunately, repairing a burst water main line is not cheap-the minimum cost is about $500.