How Much Does Repiping a House Cost in 2026?

Repiping replaces every supply line in your house, and the price swings more than almost any plumbing project — from $1,500 at the low end to $15,000+ at the high end, per shared Angi and Bob Vila data. The material you choose sets the band: PEX repipes average a fraction of copper's cost on the identical floor plan.

Repiping Cost at a Glance

Angi and Bob Vila both put the average whole-home repipe at $7,500 within a $1,500–$15,000 envelope; HomeGuide's data averages lower at $4,080. The spread isn't disagreement so much as material choice — PEX jobs cluster at the low end, copper at the high end.

PEX vs. Copper: The Biggest Cost Decision

Material drives this project more than any other factor. Per HomeGuide, repiping a 2,000-square-foot home runs $2,000–$4,000 in PEX versus $8,000–$16,000 in copper — roughly a 3–4x difference installed. The raw material gap is even wider: PEX costs $0.40–$2 per linear foot against copper's $2–$8 (Angi and Bob Vila publish identical figures).

PEX wins on price and installation speed — it flexes through walls with fewer fittings and less demolition. Copper wins on longevity (50+ years vs. 30–50 for PEX), heat tolerance, and resale perception. Most 2026 repipes are PEX unless local code or homeowner preference says otherwise.

Cost by Home Size

Square footage is a proxy for what really matters: the number of fixtures and how far apart they sit. Angi's per-fixture average is $1,200, so a two-bath home with kitchen, laundry, and water heater hookups prices very differently than a four-bath layout of the same size.

Why Labor Is Most of the Bill

Both Angi and HomeAdvisor estimate labor at roughly 70% of total project cost — on a $7,500 job, about $5,250 is labor. Repiping means opening walls, snaking new lines, and closing everything back up: drywall repair alone runs $300–$900+ per Angi. That's also why accessible pipe runs (unfinished basements, crawl spaces, attics) quote significantly cheaper than pipes buried in finished plaster walls.

Factors That Affect Cost

• Pipe material — PEX vs. copper is a 3–4x swing on the same house
• Home size and fixture count — more bathrooms, more branch lines
• Wall access — finished walls mean demolition and drywall repair on top
• What's being replaced — galvanized, polybutylene, or lead removal adds complexity
• Permits and extras — permits $50–$500; water main replacement $600–$2,500 if needed

When a Full Repipe Beats Repairs

A single leak is a repair job. But if your home has polybutylene pipe (installed widely from the late 1970s to mid-1990s and prone to sudden failure), galvanized steel that's rusting from the inside, or a pattern of repeat pinhole leaks, paying $500–$1,500 per emergency visit quickly overtakes the cost of doing it once. Our repiping service page covers the signs in detail, and leak detection can confirm what shape your existing lines are in.