Plumbing issues are inevitable in every home, from clogged drains to leaky faucets and burst pipes. When a problem arises, many homeowners face a crucial decision: Should I fix it myself, or should I call a professional plumber?

While DIY plumbing repairs can save money and give you a sense of accomplishment, some issues require expert knowledge to prevent costly mistakes. Knowing when to tackle a problem yourself and when to seek professional help can save time, money, and frustration.

In this guide, we’ll break down common plumbing issues, explain which ones you can handle yourself, and highlight situations where calling an expert is the smartest choice.

1. DIY Plumbing: When You Can Fix It Yourself

DIY plumbing repairs are possible for minor issues that don’t require specialized tools or plumbing expertise. Here are some common DIY-friendly repairs and how to handle them.

A. Fixing a Dripping Faucet

✔ Skill Level: Beginner

✔ Time Required: 30–60 minutes

✔ Tools Needed: Wrench, screwdriver, replacement washers or cartridges

A dripping faucet is one of the easiest plumbing issues to fix and often results from a worn-out washer or cartridge. Replacing the faulty part can prevent water waste and reduce your water bill.

DIY Tip: Turn off the water supply before starting and use plumber’s tape to prevent leaks when reassembling.

B. Unclogging a Slow Drain

✔ Skill Level: Beginner

✔ Time Required: 15–30 minutes

✔ Tools Needed: Plunger, drain snake, baking soda & vinegar

A slow-draining sink or tub is often caused by hair, soap scum, or grease buildup. Instead of using harsh chemical drain cleaners, which can damage pipes, try a plunger or baking soda and vinegar solution.

💡 DIY Tip: If the clog is deep, use a plumbing snake to break it apart.

C. Replacing a Showerhead

✔ Skill Level: Beginner

✔ Time Required: 10–20 minutes

✔ Tools Needed: Wrench, plumber’s tape

Upgrading your showerhead is an easy DIY project that can improve water pressure and reduce water waste.

💡 DIY Tip: Use plumber’s tape to ensure a watertight seal and prevent leaks.

D. Fixing a Running Toilet

✔ Skill Level: Beginner to Intermediate

✔ Time Required: 30 minutes

✔ Tools Needed: Adjustable wrench, replacement flapper or fill valve

A running toilet can waste hundreds of gallons of water per month. The most common causes are a worn-out flapper, faulty fill valve, or misaligned float.

DIY Tip: Adjust the float arm to the proper water level before replacing parts.

E. Sealing a Small Pipe Leak

✔ Skill Level: Intermediate

✔ Time Required: 30–60 minutes

✔ Tools Needed: Pipe sealant, plumber’s tape, wrench

Small leaks under sinks or around fittings can often be temporarily fixed with sealant or plumber’s tape. However, if the leak worsens, professional repair may be needed.

DIY Tip: This is only a temporary fix—monitor the area closely for further leaks.

2. When to Call a Professional Plumber

Some plumbing issues are too complex, risky, or dangerous for DIY fixes. Here’s when you should call an expert.

A. Low Water Pressure Throughout the House

DIY Risk: Could be a hidden leak, corroded pipes, or water main issue.

If your water pressure suddenly drops across all faucets, it could be a serious problem requiring professional inspection.

Call a plumber to diagnose the cause, especially if you suspect a leak in the main water line.

B. Major Pipe Leaks or Burst Pipes

DIY Risk: Incorrect repair can cause water damage and mold growth.

A burst pipe is an emergency that can flood your home in minutes. Professional plumbers have the tools to locate and repair the issue efficiently.

Emergency Tip: Turn off the main water supply and call a plumber immediately.

C. Sewer Line Backups & Bad Odors

DIY Risk: Mishandling can cause serious contamination and health risks.

A sewer backup or foul-smelling drains indicate a blockage in the main sewer line. This problem requires professional tools like sewer cameras and hydro-jetting.

Call a plumber if you notice gurgling sounds, slow drains, or sewage smells.

D. Installing New Pipes or Major Fixtures

DIY Risk: Incorrect installation can lead to future leaks, structural damage, or code violations.

Whether you’re installing a new sink, relocating plumbing pipes, or upgrading to a tankless water heater, professional installation ensures compliance with building codes.

Call a plumber for kitchen or bathroom remodels that involve plumbing adjustments.

E. Water Heater Repairs or Replacement

DIY Risk: Water heaters involve gas lines, high-pressure water, and electrical components.

If your water heater is leaking, making noises, or not heating properly, a licensed plumber should inspect it.

Call a plumber for water heater flushing, leak repair, or full replacement.

F. Frozen Pipes

DIY Risk: Improper thawing can cause pipes to burst.

If you experience frozen pipes, never use an open flame to thaw them. A professional can safely thaw and insulate pipes to prevent future freezing.

Call a plumber immediately if no water comes from your faucets in freezing temperatures.

3. The Risks of DIY Plumbing Mistakes

While DIY plumbing can save money, mistakes can lead to costly repairs, water damage, and safety hazards. Common DIY errors include:

Over-tightening fittings – Can crack pipes and lead to leaks.

Using the wrong tools – Can damage fixtures and cause expensive repairs.

Ignoring plumbing codes – Can result in fines, failed inspections, or unsafe installations. Incorrectly sealing joints – Can cause hidden leaks that worsen over time.

If you’re unsure about a repair, it’s always safer to call a professional.

4. How to Choose the Right Plumber

When hiring a professional plumber, consider these factors:

✔ Licensed & Insured: Ensures they meet safety and legal standards.

✔ Experience & Reviews: Check customer feedback on Google or Yelp.

✔ Upfront Pricing: Avoid hidden fees—ask for an estimate first.

✔ Emergency Availability: Look for 24/7 services for urgent repairs.

💡 Tip: Always ask for a warranty on parts and labor.

Conclusion: Balancing DIY and Professional Help

Knowing when to DIY and when to call a plumber can save you money, time, and stress. While small repairs (like fixing a leak or unclogging a drain) can be handled yourself, complex issues (like burst pipes, sewer backups, and water heater repairs) require expert attention.

✔ DIY for minor leaks, clogs, and fixture replacements.

✔ Call a plumber for serious issues like sewer backups, water pressure drops, and major leaks.