Plumbing Repipes & Sewer Line Replacement Cost Guide — Charleston, SC

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

Service Cost Ranges

Service	Low	Average	High	Unit
Whole-Home Repipe	$4,600	$10,350	$23,000	per project
Sewer Line Replacement	$4,600	$9,200	$20,700	per project
Trenchless Pipe Lining	$5,750	$11,500	$23,000	per project

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Older housing stock (pre-1978) increases complexity and materials cost

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High humidity increases wear on systems; maintenance needs are higher

✓Get at least 3 quotes

✓Ask about seasonal discounts

✓Bundle multiple services

✓Check for manufacturer rebates

✓Verify license before hiring

See who offers the best value for money in Charleston.