Water Main Replacement Cost Calculator
Estimate the cost to replace your water main line based on length, pipe material, and your location.
Last updated: March 25, 2026
Water Main Replacement Cost Calculator
Estimate the cost to replace your water main line based on length, pipe material, and your location.
Estimated Total
$4,150
Itemized Breakdown
This calculator provides estimates based on national averages adjusted for your region. Actual costs may vary significantly based on specific project conditions, contractor availability, material prices, and local market factors. Always get at least 3 quotes from licensed, insured contractors before starting your project.
Want the full picture?
Read our complete Water Main Replacement cost guide with material comparisons, contractor tips, savings strategies, and regional pricing data.
Quick Cost Reference
Cost by Tier
Short run under 25 feet from meter to house, simple trenching in soft soil, new PEX or copper supply line.
50-75 foot run, standard trenching, new copper or PEX pipe, meter reconnection, permit and inspection.
100+ foot run, difficult access, landscaping or driveway crossing, full trench restoration, concrete or asphalt repair.