plumbing 7 min read

10 Most Common Plumbing Problems and When to Call a Professional

By Handy Johnny February 5, 2026
10 Most Common Plumbing Problems and When to Call a Professional - Handy Johnny blog article
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Plumbing problems can range from minor annoyances to serious emergencies that threaten your home's structural integrity and water safety. Understanding common issues helps you recognize when to attempt DIY fixes versus calling a licensed plumber.

Common Plumbing Problems You Can Fix

Leaky Faucets: One of the most common problems, wasting thousands of gallons annually. Usually solvable by replacing an inexpensive washer or cartridge.

Clogged Drains: Caused by hair, grease, or mineral buildup, usually cleared with a plunger, snake, or enzymatic drain cleaner.

Running Toilets: Waste enormous amounts of water and are typically fixed by replacing the flapper in the tank—an easy DIY job.

When to Call a Licensed Plumber

More serious issues require immediate professional attention:

  • Burst pipes—can cause catastrophic water damage within hours
  • Water heater failures—especially if you have no hot water
  • Sewer line problems—requires specialized equipment and expertise
  • Persistent leaks hidden in walls—structural damage risk
  • Main line clogs—requires professional motorized equipment
  • Frozen pipes in winter—risks burst pipes and flooding

Know Your Limits

The key is knowing your limits. Some plumbing fixes are straightforward, but anything involving the main water line, sewer system, or structural damage demands professional expertise to prevent costly mistakes that could turn a $300 repair into a $3,000 disaster.

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