Owning a home in Nashville comes with plenty of charm – historic neighborhoods, character-filled architecture, and established communities. But with older homes often comes older plumbing. Many houses in Nashville, Green Hills, and surrounding areas still rely on galvanized steel, aging copper, or even lead piping. While these systems may still be functioning, they can present hidden risks to your family’s health, your water quality, and the value of your home.
Knowing when it’s time to repipe can save you from costly water damage, code violations, or health hazards. At Green Group Plumbing, we specialize in helping homeowners understand the condition of their plumbing and whether a full or partial repipe is the right move. Here’s your complete guide to recognizing the signs, understanding materials, and planning for the cost of home repiping in Nashville.
Common Types of Old Pipes & Their Problems
Plumbing systems wear down over time, and different materials have different lifespans. If your home was built before the 1990s, there’s a good chance your pipes are nearing or past their expiration date.
Galvanized Steel Pipes
- Common in homes built before the 1960s.
- Lifespan: 40–60 years.
- Problems: Corrosion, rust buildup, low water pressure, and frequent leaks.
Copper Pipes
- Popular in mid-20th century builds.
- Lifespan: 50–70 years.
- Problems: Pinholes, pitting corrosion, and potential leaching of copper into water if pipes degrade.
Polybutylene (PB) Pipes
- Installed in many homes between the late 1970s and mid-1990s.
- Problems: Highly prone to failure, often considered defective, and no longer up to modern code.
Lead Pipes
- Rare in residential Nashville homes, but still present in some older builds.
- Problems: Serious health risks from lead exposure, especially for children and pregnant women.
Even if your home’s pipes haven’t failed yet, these materials can compromise water safety and efficiency.
Health Risks & Code Compliance: Lead, Pressure, Flushing Issues
Old pipes don’t just cause nuisance leaks, they can have real consequences.
- Lead Contamination: Even trace amounts of lead in water are unsafe, and replacing lead pipes is the only permanent solution.
- Rust & Sediment: Corroded galvanized steel pipes release rust, making water look brown or taste metallic.
- Low Pressure & Flow: Mineral buildup reduces water flow, leading to poor performance in showers, dishwashers, and washing machines.
- Code Violations: Polybutylene pipes are no longer considered safe or up to building code. If you plan to remodel or sell, outdated pipes can become a liability.
For families in Green Hills and other Nashville neighborhoods, upgrading old plumbing isn’t just about convenience, it’s about protecting health and ensuring your home meets current standards.
Signs You Need Repiping: Discoloration, Persistent Leaks, Pressure Drop
How do you know it’s time to consider repiping? Here are the most common red flags:
- Discolored Water: Brown, yellow, or cloudy water often signals rust or sediment buildup.
- Frequent Leaks: If you’re calling a plumber every few months, it’s usually more cost-effective to repipe than patch.
- Low Water Pressure: A slow trickle instead of strong flow may indicate buildup inside old pipes.
- Strange Tasting or Smelling Water: Metallic or foul odors can mean corrosion.
- Noisy Pipes: Banging, rattling, or “water hammer” noises can signal failing pipe integrity.
- Age of the Home: If your house is more than 50 years old and hasn’t been repiped, it’s likely overdue.
Ignoring these warning signs can lead to catastrophic failures, like burst pipes and major water damage.
Repiping Materials Today: PEX, PVC, Copper Pros & Cons
Modern plumbing materials offer better performance, safety, and longevity. At Green Group, we help homeowners choose the best option based on their needs and budget.
PEX (Cross-Linked Polyethylene)
- Pros: Flexible, easy to install, resistant to freezing, affordable.
- Cons: Not as long-lasting as copper (25–40 years).
PVC (Polyvinyl Chloride)
- Pros: Commonly used for drain lines; inexpensive and durable.
- Cons: Not suitable for hot water supply lines.
Copper
- Pros: Extremely durable, long lifespan (50+ years), naturally antimicrobial.
- Cons: More expensive, can corrode in certain water conditions.
Many Nashville homeowners opt for PEX repiping because it balances affordability and performance, while copper remains a premium option for long-term durability.
Cost Estimates & What to Expect During a Repiping Project
One of the first questions homeowners ask is: what does home repiping in Nashville cost?
- Small homes (1 bathroom): $4,000–$7,000
- Medium homes (2–3 bathrooms): $7,000–$12,000
- Larger homes (4+ bathrooms): $12,000–$20,000+
Factors that affect cost include:
- Size of your home and number of fixtures
- Pipe material chosen (PEX vs copper)
- Accessibility of existing plumbing
- Whether drywall repair or restoration is needed
What to expect during repiping:
- Initial diagnostic and water quality test.
- Replacement of old pipes with new, code-compliant materials.
- Temporary shutoff of water (usually 1–2 days, depending on project size).
- Full inspection and testing of new system.
- Clean-up and restoration, leaving your home ready to go.
While it’s an investment, repiping improves safety, increases water quality, and can even boost resale value when listing your home.
Green Group’s Repiping Service: Process, Insurance, Post-Project Care
At Green Group Plumbing, we go beyond just replacing pipes, we ensure peace of mind from start to finish.
- Expert Diagnostics: We identify exactly where problems exist and provide honest recommendations.
- Customized Solutions: We’ll walk you through material options (PEX, copper, PVC) and help you balance cost and longevity.
- Licensed & Insured: Our Nashville-based team is fully licensed, insured, and trained in repiping homes of all sizes.
- Minimal Disruption: We work efficiently to minimize downtime and restore water service as quickly as possible.
- Post-Project Care: We don’t just finish the job and leave. Our team checks for performance, code compliance, and offers warranties for your new system.
For homeowners in Green Hills, Franklin, Murfreesboro, and across Middle Tennessee, Green Group is a trusted partner for tackling the big jobs like whole-home repiping.
Worried Your Home Has Aging Pipes? Reach Out to Green Group for a Repipe Assessment and Protect Your Investment
Repiping isn’t just about fixing leaks, it’s about safeguarding your home, your health, and your future. Whether your Nashville home is showing signs of rust-colored water, weak water pressure, or you’re simply living in an older house with outdated materials, now is the time to act.
At Green Group Plumbing, we’ll assess your current system, explain your options, and provide transparent pricing so you can make the best decision for your family. Don’t wait for a burst pipe or water damage to force your hand.
Worried your home has aging pipes? Reach out to Green Group for a repipe assessment and protect your investment.
📞 Call us at 615-756-5057
🌐 Visit us online at greengrouptn.com

