How Much to Redo the Plumbing in an Old House? (2026 Guide)

If you’ve just bought a charming century-old home—or you’re finally tackling long-overdue updates—you might be asking: how much to redo the plumbing in an old house? Outdated pipes can lead to leaks, low water pressure, or even health hazards like lead contamination. You’re not alone—many homeowners face this costly but necessary decision. The good news?…