How Long Do Copper Pipes Last
Copper pipes have been used in residential plumbing for decades. When installed correctly and under normal water conditions, copper piping can last 50 years or longer. Actual lifespan depends on water quality, pipe thickness, and installation quality.
Average Lifespan of Copper Piping
Most homes with copper plumbing see reliable performance for several decades. Type L copper, which is thicker than Type M, typically lasts longer and is commonly used for repiping.
- Typical lifespan: 40 to 70 years
- Type L copper generally lasts longer than Type M
- Proven long term performance when conditions are favorable
Factors That Affect Copper Pipe Longevity
Copper pipe lifespan can be shortened by certain conditions inside the home or water supply. These factors are evaluated during a repipe inspection.
- Corrosive or acidic water
- High water pressure
- Improper installation or unsupported piping
- Electrolysis or grounding issues
Common Signs of Aging Copper Pipes
As copper pipes age, signs of deterioration may appear. Addressing these early can help avoid major water damage.
- Recurring pinhole leaks
- Green or blue staining on fixtures
- Reduced water pressure
- Visible corrosion on exposed pipes
Copper vs PEX Longevity
Both copper and PEX offer long service lives when installed properly. Copper is rigid and traditional, while PEX resists corrosion and adapts better to modern plumbing layouts. The best option depends on the home and local water conditions.
When Replacing Copper Pipes Makes Sense
If copper pipes are experiencing frequent leaks or corrosion, repiping may be more cost effective than repeated repairs. A professional evaluation helps determine whether replacement is the best solution.
