Trenchless Sewer Repair in Westminster, CO: Is It Right for Your Home?

March 13, 2026

Aging pipes cause real problems — recurring leaks, low water pressure, and rust-colored water showing up in Westminster homes every day. This guide answers the questions we hear most: How long does PEX last? What does it cost? And is it actually better than what you have now? Westminster's older housing stock means repiping is one of the most common jobs we handle here. Get a before you decide.

Is PEX Repiping Worth It in Westminster, CO?

A man is fixing a pipe with a wrench

For most Westminster homeowners with pipes older than 30 years, yes — PEX repiping is worth it. PEX (cross-linked polyethylene) has an estimated lifespan of 40–50 years. It resists corrosion, handles Colorado's freeze-thaw cycles better than copper or CPVC, and costs less to install. Most whole-home repipes in the Westminster area run between $4,000 and $15,000 depending on home size and pipe access. After the job, homeowners typically see fewer leaks, better water pressure, and cleaner water.



Warning Signs Your Westminster Home Needs Repiping

Not every plumbing problem calls for a full repipe. But some patterns tell us the pipes themselves — not just a fixture or fitting — are the issue.


Here are five signs it's time to repipe your Westminster home:


  • Recurring leaks in multiple spots. One leak is a repair. Leaks showing up in different areas of your home point to a system-wide problem.
  • Rust or discolored water from your taps. Brown or reddish water means pipe corrosion is already happening inside your walls.
  • Consistently low water pressure throughout the home. If pressure is weak at every fixture — not just one — the pipe interior may be heavily scaled or corroded.
  • Visible corrosion or mineral buildup on exposed pipes. Green or white crust on pipe fittings is a warning sign. Rust-colored staining is worse.
  • Your home is older and has galvanized steel or polybutylene pipe. Galvanized pipe corrodes from the inside out. Polybutylene — common in Westminster homes built between 1978 and 1995 — was recalled for good reason. If your home falls in that range, have it inspected. Polybutylene becomes unreliable after 10–15 years and we still find it running in local homes today.



If two or more of these apply, a walk-through with a licensed plumber will give you a clear answer.


PEX vs. Copper Repiping — Which Is Better for Colorado Homes?

This is the most common question we get before a repipe. Both materials work. But for most Westminster homes, PEX makes more sense — and here's why.

PEX Copper
Cost to install Lower - 25-40% less than copper Higher labor and material cost
Freeze resistance Expands under pressure - less likely to burst Cracks under freeze pressure
Flexibility Fewer fittings needed in tight spaces Rigid - more fittings, more potential leak points
Lifespan 40-50 years estimated 50-70 years if well maintained
CO code status Fully accepted in Westminster and Jefferson County Fully accepted
Disadvantages Cannot be used outdoors (UV degrades it); not recyclable Higher cost; susceptible to freeze damage


Copper is a solid material and can outlast PEX when conditions are ideal. But Westminster winters add freeze risk, and older homes often have tight access where copper's rigidity creates more connection points — and more chances for a leak down the road.


In our experience repiping Westminster homes, PEX is almost always our recommendation — especially in split-level and older ranch-style homes where access is tight and routing gets complex.

How Long Does PEX Repiping Last?

PEX installed by a licensed plumber should last 40–50 years in normal residential conditions. Most manufacturers back their product with a 25-year warranty. Real-world performance has been strong — the material has been in use in the U.S. since the 1980s with consistent results.


Here's how PEX compares to the pipe materials it most often replaces:

Pipe Material Expected Lifespan Notes
PEX 40-50 years Freeze-resistant; corrosion-resistant
Copper (well maintained) 50-70 years Can corrode with aggressive water chemistry
Galvanized steel 20-50 years Corrodes from inside; often failing by 40 years
Polybutylene 10-15 years (unreliable) Recalled; failure risk increases with age

A few things affect how long PEX lasts in your home: water chemistry, installation quality, and UV exposure on any exposed sections. Westminster's municipal water has moderate hardness — not extreme, but worth factoring in for long-term pipe health.

We've seen PEX installed in Westminster homes 15 or more years ago holding up perfectly with no callbacks. Installed right the first time, it should outlast your mortgage.


Not sure if your pipes qualify?  Schedule a free walk-through

How Much Does PEX Repiping Cost in Westminster, CO?

Most whole-home PEX repipes in Westminster run between $4,000 and $15,000. That's a wide range — and the difference comes down to several specific factors.


What affects your repipe quote:


  • Home size and number of bathrooms. More square footage and more fixtures means more pipe and more labor.
  • Number of stories. Multi-story homes take longer to route pipe through walls and floors.
  • Access type. Crawlspace and basement access is faster. Slab homes require more planning and sometimes selective cutting.
  • Drywall repair. Some quotes include patching and painting. Many don't. Ask upfront.
  • Permits. Repiping requires a permit in Westminster and Jefferson County. A licensed plumber pulls that permit for you — it should be built into the quote, not added later as a surprise.
  • Fixture reconnection. Confirm whether reconnecting toilets, sinks, and appliances is included.


PEX typically costs 25–40% less to install than copper because it's faster to route, requires fewer fittings, and uses less labor overall. That savings shows up directly in your quote.

On the ROI side: a full repipe eliminates the cycle of emergency repair calls, protects your home from water damage, and can improve your standing with homeowner's insurance carriers. For homes heading toward resale, updated plumbing is a clear selling point.

How to Choose a PEX Repiping Contractor in Westminster

Repiping is one of the larger plumbing investments you'll make in a home. The contractor you hire matters as much as the material they use.


What to look for:

  • Colorado license. Your plumber must hold a valid license through Colorado DORA (Department of Regulatory Agencies). You can verify any plumbing contractor's license at dora.colorado.gov before you hire.
  • They pull permits. A contractor who skips the permit is a red flag — not a deal. Unpermitted repiping creates problems at resale and leaves you unprotected if something goes wrong.
  • They do a whole-home walk-through before quoting. A phone quote on a repipe isn't reliable. Any contractor worth hiring will walk your home first.
  • Google reviews that mention repiping specifically. General plumbing reviews are fine, but you want to see that other Westminster homeowners have gone through this specific job with them.


5 questions to ask before you hire a Westminster repipe contractor:


  1. Are you licensed through Colorado DORA as a Master Plumber or licensed plumbing contractor?
  2. Will you pull the required permit for this job?
  3. Does your quote include drywall patching, or is that separate?
  4. How long will my water be shut off during the job?
  5. What does your labor warranty cover, and for how long?


See our Westminster Google reviews

Ready to Repipe? Our Westminster Team Is Standing by.

If your home is showing signs of failing pipes, the sooner you get a clear answer, the better. We offer free walk-throughs for Westminster homeowners considering PEX repiping — no pressure, just an honest look at what's there and what it would take to fix it.


Westminster repiping services  |   See our Westminster reviews 


Westminster Plumbing  3725 W 88th Ct, Westminster, CO 80031 (478) 780-3030

Book a Service Today