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Plumbing: the complete homeowner's hub

Fix leaks, clogs, water heaters, and more

558 guides 6 subtopics 1 calculators

Most plumbing problems start small — a slow drip, a slow drain, a toilet that runs a few seconds too long. Catch them early and the fix is usually a $5 part and 20 minutes. Wait, and you're calling a plumber on a Sunday. Our plumbing guides walk you through every common homeowner repair, from clearing a clogged drain to swapping a faulty fill valve, with the tools you actually have in your garage. We'll also tell you straight when a job is too big or too risky for DIY.

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Most-read guides

Homeowner applying a smooth bead of silicone caulk around a bathroom sink
Maintenance
plumbing

The #1 Caulk Mistake That Leads to Mold Around Your Bathroom Sink

Avoid the most common caulk mistake that causes mold and water damage around your bathroom sink with this step-by-step guide.

10 min fixBeginner
Read Guide
Gloved hand pulling a large hairball from a shower drain with a plastic drain snake.
Troubleshooting
plumbing

The Secret Hairball Fix Plumbers Don't Want You to Know

Tired of standing in ankle-deep water? Most shower clogs are a gnarly mix of hair and soap scum, and you can clear them yourself without harsh chemicals or a pricey plumber visit by using simple mechanical methods like a drain snake or plunger.

12 min fixBeginner
Read Guide
Hand turning a red main water shutoff valve on copper pipes in a utility area
Guide
plumbing

The One Valve Every Homeowner Should Know: How to Shut Off Your Water Before a Small Leak Becomes a Disaster

Do you know where your main water shutoff valve is? Learn how to find it, when to use it, what to do after shutting off the water, and how this simple knowledge can limit serious water damage.

11 min fixBeginner
Read Guide
Homeowner thawing a frozen copper pipe with a hairdryer in a basement.
Troubleshooting
plumbing

The Quiet Drip: Why Your Pipes Freeze & How to Thaw Them Without a Flood

Don't panic if you've got a frozen pipe; I'll show you how to safely thaw it out before it bursts, using tools you likely already own.

12 min fixBeginner
Read Guide
Homeowner inserting an Allen wrench into the bottom of a garbage disposal to clear a jam.
DIY Guide
plumbing

The $5 Fix When Your Garbage Disposal Hums (But Won't Spin)

Don't trash that humming garbage disposal just yet; often, a simple, inexpensive fix can get it grinding again in minutes.

12 min fixIntermediate
Read Guide
A person's hand adjusting the flapper chain inside a toilet tank to fix a running toilet.
Troubleshooting
plumbing

The 30-Second Fix Plumbers Don't Want You to Know for a Running Toilet

Your running toilet might just need a simple, often overlooked adjustment that takes less than a minute to check and fix, saving you money on your water bill and a plumber's visit.

10 min fixBeginner
Read Guide
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More from this hub

A Homeowner's Guide to Your Plumbing System: Shutoffs, Leaks, and Warning Signs
Guide
plumbing

A Homeowner's Guide to Your Plumbing System: Shutoffs, Leaks, and Warning Signs

Water damage is the most common expensive home claim, and most of it starts small. Here is how your plumbing is laid out, what to check, and which symptoms mean shut off the water now.

5 min fixBeginner
Read Guide
A Homeowner's Guide to Your Water Heater: Maintenance, Failure Signs, and Replacement
Guide
plumbing

A Homeowner's Guide to Your Water Heater: Maintenance, Failure Signs, and Replacement

No hot water does not automatically mean a new water heater. Here is how the unit works, what you can maintain, and how to tell a cheap component failure from a tank that is done.

5 min fixBeginner
Read Guide
The One Spot Most Homeowners Miss When Checking for Roof Leaks
Troubleshooting
plumbing

The One Spot Most Homeowners Miss When Checking for Roof Leaks

Catching a roof leak early can save you thousands in repairs, and the key is knowing where to look beyond obvious ceiling stains.

13 min fixBeginner
Read Guide
The Sneaky Culprit Behind Your Slow Shower Drain (It's Not Always Hair)
Troubleshooting
plumbing

The Sneaky Culprit Behind Your Slow Shower Drain (It's Not Always Hair)

Tired of standing in a puddle during your shower? Learn how to clear a clogged shower drain effectively using common tools, no harsh chemicals required.

13 min fixBeginner
Read Guide
Homeowner using a hairdryer to slowly thaw a frozen copper pipe under a kitchen sink, with a bucket ready for drips.
Troubleshooting
plumbing

The 3 Hidden Dangers of Frozen Pipes (And How to Thaw Them Safely)

Safely thawing a frozen pipe is critical to prevent costly damage, but many DIYers overlook hidden risks and choose ineffective methods.

10 min fixBeginner
Read Guide
Homeowner inspecting the back of a refrigerator for a water leak, checking the supply line and inlet valve.
Troubleshooting
plumbing

The 3 Hidden Reasons Your Refrigerator Leaks Water (And How to Fix Them in 30 Minutes)

Discover the surprising culprits behind a leaking refrigerator and learn simple, effective fixes you can do yourself in under an hour.

10 min fixBeginner
Read Guide
Hand shown adjusting the float cup mechanism inside a toilet tank to stop a running toilet.
Call a Pro
plumbing

The 30-Second Toilet Fix Plumbers Don't Want You to Know

A running toilet can waste hundreds of gallons of water per day, but often the fix is incredibly simple and takes under a minute.

10 min fixCall a Pro
Read Guide
Water Damage Repair Costs: Leaks, Mold, and Restoration
Guide
plumbing

Water Damage Repair Costs: Leaks, Mold, and Restoration

Why water damage escalates so fast, how restoration work is priced, what insurers usually cover, and the first-hour actions that shrink the bill.

5 min fixBeginner
Read Guide
Plumbing Repair Costs: From Dripping Faucets to Repiping
Guide
plumbing

Plumbing Repair Costs: From Dripping Faucets to Repiping

How plumbers price work, which repairs are minor, which point at bigger problems, and how to avoid paying emergency rates for a preventable failure.

5 min fixBeginner
Read Guide
Person troubleshooting a slow-filling toilet tank, inspecting the fill valve components
Troubleshooting
plumbing

The 5-Minute Trick to Fix a Slow-Filling Toilet (No Plumber Needed)

A slow-filling toilet tank is a common and frustrating problem, but often has a simple DIY fix that homeowners can tackle in minutes.

10 min fixBeginner
Read Guide
Person in blue gloves about to remove P-trap from under a slowly draining kitchen sink.
Call a Pro
plumbing

The Secret Culprit Behind Your Slow Sink Drain (It's Not Always Hair)

Uncover the surprising reasons your kitchen sink drains slowly and learn straightforward fixes to restore flow without calling a plumber.

10 min fixCall a Pro
Read Guide
Homeowner troubleshooting a slow kitchen sink drain, examining the P-trap with a wrench and bucket
DIY Guide
plumbing

The Secret Reason Your Kitchen Sink Drains Slow (It's Not Always Grease)

A slow-draining kitchen sink is a common nuisance, but the culprit isn't always obvious. Learn how to diagnose and fix the real problem.

11 min fixIntermediate
Read Guide