Cost Guide
How Much Does a Whole-House Repipe Cost?
The average cost of whole-house repipe in Los Angeles & Orange County ranges from $4,500 to $18,000, depending on pipe material (PEX vs. copper) and home size and slab access.
Cost guide · Last reviewed
Quick Answer
The average cost of whole-house repipe in Los Angeles & Orange County ranges from $4,500 to $18,000, depending on pipe material (PEX vs. copper) and home size and slab access. Material is the headline choice — the published note says it plainly: PEX runs lower, copper higher. Home size, fixture count, and how much of the run sits under a slab do the rest. Repipes are permitted, inspected plumbing work, and drywall restoration scope belongs in any honest quote.
Range source: published Los Angeles & Orange County figures compiled from Angi, HomeAdvisor, and regional cost guides (2026) — the same data behind our interactive pricing explorer. Your exact price depends on your home; estimates are free and quoted in writing.
What does whole-house repipe cost in LA & Orange County?
A whole-house repipe replaces every supply line behind your walls — and in Los Angeles & Orange County that usually means retiring original galvanized steel that has been corroding shut from the inside since the postwar build-out. The published LA/OC range is $4,500–$18,000, with PEX at the lower end and copper higher (compiled from Angi, HomeAdvisor, and regional 2026 cost guides — the same data on our pricing page).
Why the range is wide: this region's housing stock sits on slab-on-grade foundations, so supply runs often route through or under concrete. Rerouting overhead through walls and attic, patching the drywall afterward, and permit + inspection scope all move the number — and none of them appear in a national average. If your home shows the symptoms (pressure loss at the far fixture, rusty morning water, repeat pinholes), our repipe-signs guide walks the honest decision, and the camera-and-pressure-test assessment is part of the free estimate.
What are your good, better, and best options?
| Option | What it is | Published range | Worth knowing |
|---|---|---|---|
| Good — PEX repipe | Modern cross-linked polyethylene throughout — flexible runs, fewer wall openings | $4,500–$18,000 (lower end of the published range) | The published note is verbatim: PEX runs lower |
| Better — copper repipe (Type L) | Rigid copper throughout — the premium-material path with 50+ year service life | $4,500–$18,000 (upper end of the published range) | The published note is verbatim: copper higher |
| Best — repipe + whole-home filtration | Pair the new pipes with filtration/softening so hard water doesn't start on the new system | Repipe $4,500–$18,000 + filtration $2,500–$12,000 (two published ranges, quoted separately) | SoCal's hard water is why galvanized failed early — protecting the new pipe is a fair question to price |
Published third-party LA/OC market ranges — not a Power Pro price list; the filtration figure is the same range our pricing calculator carries. Your written quote is exact, free, and spells out material, fixture count, drywall restoration, and the permit.
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What factors affect whole-house repipe prices?
| Cost factor | Why it moves the price | Typical impact |
|---|---|---|
| Pipe material | PEX installs faster with fewer openings; copper costs more in material and labor | The published low-vs-high driver: PEX runs lower, copper higher |
| Home size & fixture count | Every bathroom, hose bib, and appliance line adds runs | Scales the whole job roughly with square footage |
| Slab vs. accessible routing | Most SoCal homes are slab-on-grade — reroutes go overhead through walls and attic | Access is the biggest labor swing |
| Drywall patch & restoration scope | A repipe opens walls; who patches, textures, and paints belongs in the quote | A commonly-omitted line that surprises people later |
| Permit & inspection | Repipes are permitted, inspected plumbing work statewide | Third-party guides put a Long Beach repipe permit at $200–$500+; every city differs |
How do rebates change the math?
No utility rebate category covers repiping — the levers are ours and the lender's: free estimates with both material options quoted side by side, $50 off leak detection if you're still diagnosing, and GreenSky/Synchrony financing on qualifying projects (get the plan sheet in writing — here's how the plans actually work). Current offers: promotions page.
Is whole-house repipe priced differently in your city?
Where the answer genuinely changes — a municipal utility that voids a rebate, a documented permit regime, a housing stock that moves the scope — we've written the local version. Where it doesn't, this guide is the answer everywhere we serve.
About this cost guide
Written and reviewed by the Power Pro Plumbing, Heating & Air team under the pricing standard set by founder Raul Rodriguez — four decades in the trades, serving Los Angeles & Orange County from Cerritos, Gardena, and Anaheim for 20+ years (hear him on The Catalyst for the Trades). CSLB License #766254 — verify it at cslb.ca.gov. Every dollar figure on this page is a published LA/OC market range or a verified program amount, never an invented Power Pro price list; quotes are exact, free, and in writing. Last reviewed .
Common questions
What does a whole-house repipe cost in LA and Orange County?
The published range is $4,500–$18,000 — PEX at the lower end, copper higher — driven by home size, fixture count, slab access, and drywall restoration scope. Repipes are permitted, inspected work in every city. A free written estimate with both materials quoted side by side is how you get your exact number.
PEX or copper — which should I choose?
PEX runs lower on the published range, installs faster, and shrugs off SoCal's hard water; copper costs more, is time-proven over 50+ years, and some owners simply prefer it. Both are code-approved. We quote both honestly — the right answer is usually about your budget and how long you'll own the home.
How do I know my home actually needs a repipe and not another repair?
The pattern is the tell: pressure loss at the furthest fixture, rusty morning water, and pinhole leaks that keep finding new spots mean the galvanized pipe is failing system-wide, not at one point. A pressure test and a look at exposed pipe settle it — our repipe-signs guide covers the full checklist.
Does a repipe wreck my walls?
It opens them in planned locations — that's unavoidable — but a professional repipe maps openings tightly and the quote should state exactly who patches, textures, and paints. Ask every bidder that question; a missing drywall line in a low bid isn't savings.
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Whole-House Repipe — priced honestly, in writing.
The published range is $4,500–$18,000. Your number is exact: free estimate, upfront pricing, price match guarantee, and a free second opinion on any quote you already have.
