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Whole-Home Repiping in Colorado

When the pipes keep failing, we replace the system instead of patching it again. Replace failing galvanised and polybutylene lines with copper or PEX. Colorado Plumbing Pros dispatches licensed contractors for this work in 189 Colorado cities, 6 of which are emergency services.

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What this covers

Repiping is the repair you make once. Homes with galvanised steel have pipes that have rusted closed from the inside; homes with polybutylene have a material with a well-documented failure history. The signs are consistent — brown water after a vacation, pressure that drops when a second fixture opens, and a leak somewhere new every few months. Whole-home repiping in copper or PEX replaces the entire supply system in a planned sequence, usually with minimal wall damage.

Signs you need whole-home repiping

  • Brown or yellow water, especially after a trip away
  • Weak pressure at every fixture, worse when two run at once
  • Frequent pin-hole leaks in different places
  • Galvanised, polybutylene or grey plastic visible under the house
  • Water tastes metallic or smells of rust
  • Discoloured water when the system is disturbed

How the work is done

1

Map the system

Every fixture, run and shut-off located and planned before any opening is cut.

2

Route the new lines

Attic and crawlspace runs keep wall cuts to small access holes.

3

Install to code

Copper or PEX-A, with code-compliant supports, protection plates and shut-offs.

4

Pressure test and purge

Full-system test and complete flush before walls close.

5

Patch and walk through

Drywall patched, fixtures verified, and a full walkthrough at completion.

Typical Colorado cost

ScopeTypical range
Whole-home repipe (typical 2–3 bath home)$4,500 – $12,000
Partial repipe (one wing or section)$1,800 – $5,500
Per-fixture rough-in and shut-off added$250 – $600
Drywall patch and paintOften included — confirm before you sign

What drives the price

  • Square footage, bathroom count and fixture count
  • Slab versus raised foundation — slab homes need attic or overhead routing
  • Material chosen: copper costs more than PEX but has a longer service history
  • Whether walls are opened (remodels) or routed around (occupied homes)

Local conditions that affect this work

Denver Metro

Metro housing stock is old enough that original galvanised supply lines, cast-iron stacks and clay laterals are all still in service, and pop-top and scrape-off remodels frequently layered new plumbing onto those aging mains.

Front Range

Denver's older neighbourhoods still run galvanised supply and clay sewer laterals under mature street trees, while the newer suburbs are slab-on-grade or shallow crawlspace with PEX. The two profiles fail in completely different ways.

Pikes Peak

The region's rapid post-war and modern build-out means a lot of homes are hitting the 30-to-50-year window where water heaters, polybutylene remnants and original supply lines all come due at once.

Western Slope

The valley mixes older farm properties on wells and septic with in-town housing old enough for original supply lines, so diagnosis here starts with whether the property is on municipal service or its own system.

Whole-Home Repiping questions

How do I know I need a repipe rather than a repair?
Three signals: the pipe material has a known failure history (galvanised, polybutylene), the leaks are appearing in different places, or the water is discoloured throughout the system. One leak is a repair; a pattern is a repipe.
Copper or PEX?
Copper is proven, recyclable and unaffected by UV, but costs more and is slower to install. PEX-A resists freeze damage better, installs faster, has fewer joints to fail, and costs less. In Colorado both are code-approved; a good contractor will quote both.
Do I have to move out during a repipe?
Usually not. Most repipes are done in four to six days with water restored each evening. Plumbers work around occupied homes routinely, though kitchens and bathrooms are out of use during their segment.
Will my walls be destroyed?
Technicians cut small, planned access points rather than running open trench through the house. Most jobs need 20 to 40 small patches. Ask whether patching and painting are included — some contractors include patching only.
Does a repipe add resale value?
It removes a known defect that buyers' inspectors flag immediately. In older Colorado housing stock, a documented repipe with permits is a real selling point, and it usually comes up in negotiation if it has not been done.

Whole-Home Repiping by city

Popular service areas for this work. Every city page has its own whole-home repiping detail.

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