Plumbing Repipes & Sewer Line Replacement Cost Guide — St. Louis, MO

Verified 2025 pricing for plumbing repipes & sewer line replacement services in St. Louis. Updated quarterly from local contractor data.

Service Cost Ranges

Service	Low	Average	High	Unit
Whole-Home Repipe	$4,000	$9,000	$20,000	per project
Sewer Line Replacement	$4,000	$8,000	$18,000	per project
Trenchless Pipe Lining	$5,000	$10,000	$20,000	per project

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Older housing stock (pre-1958) increases complexity and materials cost

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