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Something wrong with
your plumbing?

Start with the problem. Learn what may be happening, explore the related plumbing service, and get help connecting with independent plumbing contractors.

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START WITH THE SYMPTOM

What is happening
in your home?

Plumbing problems usually show up as a symptom first: a slow drain, a wet spot, low pressure, no hot water, or a toilet that will not stop running. Pick the closest match and learn what to look for.

Toilet plumbing problemToilet problemLearn more → Sink plumbing problemSink problemLearn more → Slow or clogged drainSlow / clogged drainLearn more → Residential water heaterWater heaterLearn more → Leaky faucet and water leak problemLeak or wet spotLearn more →
COMMON HOMEOWNER PROBLEMS

Start with the problem.
Get the answers first.

Choose the problem that sounds closest to what you are seeing at home. Each section explains common causes, what to check, when the problem may need attention, and answers the questions homeowners usually have.

Toilet plumbing problem
TOILET PROBLEM

Toilet Problems

A toilet that keeps running, flushes weakly, clogs repeatedly, or leaks around the base is giving you a useful warning. The visible symptom can come from a tank component, blockage, seal, supply connection, or a deeper drainage issue.

What to look for: water that keeps running after a flush, a bowl that drains slowly, water around the base, unusual movement, or a flush that no longer clears the bowl normally.

What homeowners often wonder: Fixing the symptom without understanding why it keeps returning can leave the underlying problem unresolved.

Why does my toilet keep running?

A worn flapper, fill valve, float adjustment, or another tank component can allow water to keep flowing after the flush.

Why does my toilet keep clogging?

Repeated clogs can come from buildup, unsuitable items being flushed, a partial blockage, or a problem farther along the drain line.

Why is my toilet leaking around the base?

A failed seal or connection can let water escape around the base. Persistent moisture can damage flooring or the subfloor.

Why is my toilet flushing weakly?

A partial blockage, tank component problem, low water level, or supply issue can reduce flushing performance.

When should I stop using the toilet?

Stop using it when water is overflowing, a leak is rapidly spreading, or the fixture is creating a sanitation or water-damage risk.

Get help with a toilet problem →
Kitchen sink plumbing problem
SINK PROBLEM

Sink Problems

A sink can develop slow drainage, a dripping faucet, low water pressure, or water underneath the cabinet. These symptoms may involve the faucet, shutoff valve, trap, drain connection, supply line, or a blockage.

What to look for: water pooling in the cabinet, a drain that takes longer to empty, a faucet that will not stop dripping, or pressure that is noticeably weaker than other fixtures.

Before the problem grows: check for visible moisture and avoid ignoring a leak simply because it appears small. Water inside a cabinet can damage wood and surrounding materials.

Why is my sink draining slowly?

Hair, grease, soap residue, food particles, and buildup can restrict the drain or trap. If several fixtures are slow, the restriction may be farther into the plumbing system.

Why is my faucet dripping?

Worn cartridges, washers, seals, or valves can cause a persistent drip.

Why is water leaking under my sink?

Supply connections, shutoff valves, the trap, drain assembly, or hoses can leak and leave moisture inside the cabinet.

Why is my sink water pressure low?

A clogged aerator, partially closed valve, supply restriction, or a broader plumbing issue can reduce pressure.

Why does the sink smell bad?

Organic buildup in the drain or trap can create odors. A recurring smell can also be a sign that the drain system needs further investigation.

Get help with a sink problem →
Slow or clogged drain plumbing problem
DRAIN PROBLEM

Slow or Clogged Drains

A drain that is getting slower is often easier to deal with before it becomes a complete backup. Common causes include hair, grease, soap residue, food particles, buildup, or a blockage deeper in the line.

Watch for: standing water, gurgling sounds, recurring clogs, water backing up into another fixture, or several drains becoming slow at the same time.

Important clue: one slow sink can be a local fixture problem, while multiple slow drains may point toward a larger drainage issue.

What causes a drain to clog?

Hair, grease, soap residue, food particles, foreign objects, mineral buildup, and deeper line restrictions are common causes.

Why does my drain keep clogging?

Recurring clogs can mean the blockage is not being fully cleared or that there is a deeper problem in the line.

Why is more than one drain backing up?

When several fixtures are affected, the restriction may be farther down the shared drainage system.

Should I keep using a slow drain?

Continued use can turn a partial blockage into a backup. Pay attention to worsening flow or water returning through another fixture.

When is a clogged drain more urgent?

A complete backup, sewage-like water, rapidly rising water, or multiple affected fixtures deserves prompt attention.

Get help with a drain problem →
Residential water heater plumbing problem
WATER HEATER PROBLEM

Water Heater Problems

No hot water, water that runs out too quickly, inconsistent temperature, unusual noises, or water around the heater can all be signs that the system needs attention.

Start with the symptom: note whether there is no hot water at all, only a short supply of hot water, inconsistent temperature, unusual noise, or visible moisture around the unit.

Repair or replacement? The right choice depends on the equipment type, age, condition, history of failures, and the nature of the problem.

Why is my water heater not producing hot water?

Possible causes include a failed heating component, thermostat issue, power or gas supply problem, or another system fault.

Why does my hot water run out quickly?

Demand can exceed the system's capacity, or the heater may not be heating efficiently because of age or a component problem.

Why is my water heater leaking?

Water can come from fittings, valves, connected piping, or the tank itself. The source should be identified before deciding on repair or replacement.

How long does a water heater last?

Service life varies with equipment type, water quality, installation, usage, and maintenance.

Should I repair or replace my water heater?

Consider age, condition, repair history, repair cost, capacity, and overall performance when comparing the options.

Get help with a water heater problem →
Leaky faucet and water leak problem
LEAK PROBLEM

Leaks & Wet Spots

A leak does not always announce itself with a burst pipe. Water stains, damp cabinets, unexplained water use, musty smells, or a sound of running water can be clues to a hidden plumbing leak.

Look around: under sinks, near toilets, around water heaters, along exposed pipes, and in areas where stains or dampness have appeared without an obvious source.

Why it matters: the longer moisture remains where it should not be, the greater the chance of damage to flooring, cabinets, walls, or other materials.

How can I tell if I have a hidden water leak?

Unexplained water use, damp areas, stains, musty odors, peeling materials, or sounds of water when fixtures are off can be warning signs.

Why is there water under my sink?

Supply lines, shutoff valves, traps, drain connections, and hoses can all develop leaks.

Can a small leak cause major damage?

Yes. Repeated or hidden moisture can damage cabinets, flooring, walls, and surrounding materials over time.

When is a plumbing leak an emergency?

A rapidly spreading leak, burst pipe, major flooding, or water near electrical equipment requires immediate attention and appropriate safety precautions.

Does finding a leak always require opening a wall?

Not necessarily. Diagnostic methods can sometimes narrow down the likely source before invasive work is considered.

Get help with a leak problem →
ABOUT PLUMBERFIXI

Start with the problem, not the sales pitch.

PlumberFixi is a homeowner information resource built to explain common plumbing problems in plain language. When you need further help, we help homeowners connect with independent plumbing contractors. Contractors are independent, and homeowners should verify licensing, insurance and service details before hiring.

COMING NEXT

Plumbing questions
homeowners actually search.

We will build this section into location-focused homeowner guides covering costs, symptoms, repair decisions and preparation.

DALLAS • WATER HEATER

How Much Does a Water Heater Cost in Dallas?

A homeowner-first guide to Dallas water-heater pricing, why ZIP code and materials matter, what changes a quote, and common questions.

Read the guide →
PLUMBING • DRAINS

Why Does My Drain Keep Clogging?

Common causes, warning signs and when a recurring clog needs investigation.

Coming soon →
PLUMBING • LEAKS

How to Spot a Hidden Water Leak

Simple signs homeowners can check before water damage gets worse.

Coming soon →
NEED HELP WITH A PLUMBING PROBLEM?

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