Replace aging, leak‑prone pipes with modern PEX or copper. We adjust structural water pressure to protect your new system. Serving Chandler, Gilbert, Mesa, and the entire East Valley with same‑day estimates and flat‑rate pricing.
(623) 451-8952If your home still relies on galvanized steel pipes, polybutylene, or aging copper that’s developed pinhole leaks, a whole‑house repiping is the permanent solution. Our team installs new water supply lines from the meter to every fixture, using materials chosen specifically for East Valley hard water and clay soil conditions. We handle the entire project — from permits and drywall patching to structural water pressure adjustment that protects your new pipes and fixtures.
We’ll walk you through the PEX vs copper decision, explaining how each material performs in Arizona’s unique environment. Our repipes come with a 25‑year warranty on materials and a one‑year labor guarantee. Most homes are completed in 2‑5 days, with minimal disruption to your daily life.
Flexible, corrosion‑proof cross‑linked polyethylene pipe that handles hard water and clay soil movement. Faster installation, fewer connections, and a 25‑year warranty.
Type L copper for maximum longevity. We use lead‑free solder and brass fittings, and install a water softener or phosphate treatment to combat East Valley hard water.
We install or replace pressure reducing valves (PRV), set proper pressure (55‑65 psi), and add expansion tanks to protect your new system from thermal expansion and city pressure spikes.
For homes with frequent under‑slab leaks, we can route new PEX lines through the attic and walls, abandoning the in‑slab copper without breaking concrete.
We reconnect every sink, toilet, shower, and appliance to the new system with new angle stops and supply lines, ensuring everything is code‑compliant and leak‑free.
We repair all access openings, match texture, and prime walls so you can paint. Our goal is to leave your home looking like we were never there.
For most East Valley homes, we recommend PEX repiping because of its superior resistance to hard water corrosion and clay soil movement. However, copper remains an excellent choice when paired with a water softener. During your estimate, we’ll assess your home’s specific needs and give you a clear recommendation.
We walk your property, count fixtures, measure pipe runs, and test water pressure. We’ll discuss PEX vs copper, where access holes are needed, and how we’ll protect your floors and furnishings. You’ll get a detailed, fixed‑price quote before we leave.
Our team arrives with floor coverings, dust barriers, and HEPA air scrubbers. We map all access points, shut off water, and drain the old system. We’ll coordinate with you on bathroom and kitchen access to minimize inconvenience.
We run new lines through attics, walls, and chases, connecting to each fixture group. We install a new main shut‑off valve, pressure reducing valve (if needed), and expansion tank. Every connection is tested with air pressure before we turn water on.
We set your PRV to 60 psi, check flow at every fixture, and run hot water to verify the water heater connection. We patch drywall, match texture, and leave the job site broom‑clean. You’ll receive a warranty packet and a video walkthrough of the new system.
We select pipe materials and pressure settings specifically for East Valley water chemistry. No more pinhole leaks.
Most homes are repiped in under a week. We work efficiently without sacrificing quality.
No surprises. Your quote includes all labor, materials, permits, drywall repair, and cleanup.
25‑year manufacturer warranty on PEX + 1‑year labor guarantee. Peace of mind included.
We pull all necessary permits and meet Chandler, Gilbert, Mesa, and Maricopa County plumbing codes.
Background‑checked, uniformed professionals. We treat your home with the same care we’d give our own.
Whole‑house repiping typically ranges from $4,000 to $15,000 depending on home size, number of fixtures, and material choice. PEX is generally more affordable than copper. We provide a free, detailed, fixed‑price quote after inspecting your home.
We recommend PEX for most homes because it is immune to the corrosion and pinhole leaks that hard water causes in copper. It also handles the ground movement from our expansive clay soil better. Copper remains a great option if you install a water softener and prefer a traditional material.
Many East Valley homes have incoming water pressure above 80 psi, which stresses pipes and appliances. We install or adjust a pressure reducing valve (PRV) to bring pressure to a safe 55‑65 psi. We also add an expansion tank to handle thermal expansion from your water heater, preventing pipe fatigue and leaks.
Most single‑family homes are completed in 2‑5 working days. Larger homes or those with difficult access may take a bit longer. We’ll give you a clear timeline during the estimate.
We repair all drywall access holes, match texture, and apply a primer coat. We do not provide finished painting, but we leave the walls ready for you to paint. We make the process as clean and minimally invasive as possible.
Yes. Old galvanized pipes often have significant internal rust and scale that restricts flow. New PEX or copper lines restore full pipe diameter, and we can set the pressure to the ideal level. You’ll likely notice stronger flow at showers and faucets immediately.
Yes, we partner with third‑party lenders to offer affordable monthly payment options. We can also help you explore any available insurance claims if the repipe is related to a covered leak.
East Valley’s Trusted Plumber – 24/7 Emergency Service, Honest Pricing

CONTACT INFO:
The team at Mountain AZ Plumbing has helped East Valley families and businesses for over 15 years. We combine local knowledge with technical expertise—solving the unique plumbing challenges of our desert environment. From the hard water in Chandler and Gilbert to the expansive soils that stress underground pipes in Mesa and Queen Creek, we know what works and what doesn’t. Our reputation is built on showing up on time, doing the job right, and never selling services you don’t need. When you call us, you get a real plumber who lives and works right here in the East Valley.
Call 623-451-8952
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