Repiping Services on O'ahu
Old, corroded, or failing pipes don't just cause leaks — they affect water quality, pressure, and the structural integrity of your home. Alpha Omega replaces entire plumbing systems cleanly and efficiently, minimizing disruption and protecting your investment.
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What We Do
What We Repipe & Why
Different pipe materials fail for different reasons — we know them all and handle every situation.
Corroded Copper Pipe Replacement
O'ahu's older homes often have copper pipes that have thinned from decades of use and Hawaii's mineral-rich water. Pinhole leaks are a sign the copper has failed. We replace the affected sections or the entire system.
Galvanized Pipe Replacement
Galvanized steel pipes from the 1950s–80s rust from the inside out, restricting flow and discoloring water. Full replacement restores water pressure and eliminates rust contamination.
PEX Repiping
PEX (cross-linked polyethylene) is the modern standard for water supply lines. It's flexible, corrosion-resistant, and easier to install with less drywall disruption than rigid pipe.
Polybutylene Pipe Replacement
Polybutylene (grey plastic pipe common in 1980s–90s homes) degrades and fails without warning. It should be proactively replaced before a major leak occurs.
Commercial Repiping
Multi-unit buildings, commercial properties, and hotels on O'ahu often have aging pipe systems that require full replacement. We handle large-scope commercial repiping projects.
Partial Repipe
Not every situation requires replacing the entire system. We assess your plumbing and recommend partial repiping when only specific sections have failed or are at risk.
Don't Wait
Signs You May Need Repiping
Rusty, brown, or discolored water from the tap
Low water pressure throughout the house
Recurring pinhole leaks or pipe leaks in multiple locations
Water has a metallic taste or smell
Pipes make banging or rattling sounds
Home was built before 1990 and pipes have never been replaced
Home inspector flagged galvanized or polybutylene pipes
Constantly patching leaks that keep coming back
Common Questions
Frequently Asked Questions
How long does a whole house repipe take?
A typical single-family home repipe takes 2–4 days depending on the size of the home, the pipe material being installed, and accessibility. We work systematically to minimize the time your water is off, and restore service at the end of each work day when possible.
How much drywall has to be opened for a repipe?
This depends heavily on the pipe layout and material choice. PEX can often be fished through walls with minimal cutting — sometimes just access holes at fixture locations. We plan every repipe to minimize drywall damage, and we can recommend a drywall contractor to patch after the job if needed.
What's the difference between PEX and copper for repiping?
Both are excellent choices. Copper is the traditional standard and lasts 50–70+ years. PEX is flexible, corrosion-resistant, and less expensive to install (less labor, fewer fittings). PEX is now the most common choice for repiping projects because of its durability and lower installation cost. We'll discuss both options and give you pricing for each.
Does a repipe require permits?
Yes — repiping is a permitted job in Hawaii. Alpha Omega handles permit pulling and inspection scheduling. All work is performed to code and inspected by the city before sign-off. This protects you when you sell the home.
Can I live in my home during a repipe?
In most cases, yes. Water is shut off during working hours but restored each evening. We coordinate the schedule with you so the impact on your daily routine is minimized.
Ready for a Reliable Plumbing System?
Old pipes cause constant problems. A repipe is a permanent solution. Call us for a free whole-house estimate anywhere on O'ahu.