Sink Repair Solutions: DIY Fixes and When to Call a Pro

By Alexanders Plumbing

on November 28, 2025

Is your sink acting up? Maybe it’s dripping all night, clogging at the worst moment, or the faucet wobbles like a loose tooth. You’re not alone—sink problems are a daily headache for homeowners. Some fixes are simple. Others, not so much. Knowing when to grab a wrench or call emergency plumbing can save you time, money, and stress.

At Alexanders Plumbing, we’ve seen every sink misadventure. From stubborn clogs to hidden leaks, our team understands how a small drip can turn into a flood of frustration. Let’s break down what you can do on your own—and when it’s smart to bring in help.

Sink Problem Checklist 🛠️

A sink isn’t just a basin and a drain. It’s a busy intersection of pipes, valves, and fixtures. Here are the most common residential sink issues:

Dripping Faucets: That slow, steady drip isn’t just annoying—it can waste gallons of water a week.
Clogged Drains: Water pooling at your feet or swirling slowly? Food, grease, or hair could be blocking the flow.
Loose Fixtures: Wobbling or shifting faucets and handles make daily use tricky and can lead to leaks.
Low Water Pressure: Trickling taps can point to buildup inside pipes or hidden leaks.
Leaking Under the Sink: Water stains, puddles, or a musty smell? A leak below can cause damage you can’t see.
Strange Noises: Gurgling, banging, or hissing might mean air in the lines or sewer issues.

If you spot any of these, don’t ignore them. Some are quick fixes. Others hint at bigger trouble—especially if you’ve got water pressure issues near you.

Quick Safety Checklist

Before you start any DIY repair, keep safety first. A plumbing project can turn messy fast. Take a minute to:

Turn off the water supply under the sink.
Clear out everything from the cabinet for easy access.
Unplug nearby appliances (like garbage disposals).
Wear rubber gloves—old water isn’t always clean.
Keep a bucket or towels handy for spills.
If you smell gas, do not attempt repairs—call for emergency plumbing help right away.

These steps help prevent surprises. A little prep goes a long way.

DIY Fixes for Common Sink Problems

Not every sink issue needs a professional right away. In fact, many everyday problems can be tackled with basic tools and a bit of patience.

Dripping Faucets

Turn off the water.
Gently remove the faucet handle with a screwdriver.
Check the washer or O-ring inside—worn rubber is often the culprit.
Replace with a matching part from your hardware store.
Reassemble and turn the water back on.

If the drip remains, the valve seat might be damaged. That’s when you’ll need a pro.

Clogged Drains

Try a plunger first. Cover the overflow hole with tape for better suction.
Still clogged? Remove the drain stopper and fish out hair or debris with a wire hanger.
Pour a kettle of hot (not boiling) water down the drain.
Avoid harsh chemicals—these can damage pipes and aren’t great for the environment.

For deep or stubborn clogs, especially if water backs up in multiple fixtures, it’s time to call for drain cleaning help.

Loose Fixtures

Check under the sink for the mounting nut that holds the faucet steady.
Tighten with a basin wrench. Don’t overtighten—it can crack brittle pipes.
If the fixture still wobbles, corrosion or stripped threads might be the cause.

Low Water Pressure

Unscrew the faucet aerator and clean out any sediment.
If pressure stays low everywhere, there could be a leak, blockage, or even water pressure issues near you.

Leaks Under the Sink

Dry everything off and then run the water to spot the source.
Tighten connections by hand, then with pliers if needed.
Replace worn gaskets or supply lines if you see drips.

DIY fixes work best for surface problems. Hidden leaks or issues with old pipes often need more advanced tools and know-how.

When to Call a Pro

Some sink problems are like icebergs—what you see above the surface is just a fraction of what’s going on below. Here’s when you should put down the wrench and call Alexanders Plumbing:

Persistent leaks or drips that return after DIY repairs.
Water stains, warped wood, or mold under the sink—signs of long-term leaks.
Multiple clogged drains—could mean a main line or sewer issue.
Unexplained low water pressure throughout the house.
Visible corrosion or rust on pipes.
Strange odors—especially rotten egg smells (could indicate gas).
Complex fixtures (touchless or specialty sinks) that require manufacturer-specific parts.
No success with basic troubleshooting or if you feel unsure.

Professional plumbers don’t just fix the problem—they ensure it’s up to code, protect your home’s warranty, and use specialized tools to avoid damage. The International Association of Plumbing and Mechanical Officials (IAPMO) and your local building codes spell out strict standards for safe repairs. When in doubt, let a pro handle the risk.

What Pros Do On Arrival

You might wonder, what actually happens when a plumber shows up? Here’s what you can expect from Alexanders Plumbing:

A thorough inspection of the entire sink system, above and below.
Leak detection with specialized tools.
Pressure testing to spot hidden trouble.
Professional drain cleaning—using augers or hydro-jetting for tough clogs.
Checking for code compliance and safety (especially with gas lines or backflow prevention).
Replacing faulty or outdated fixtures with approved parts.
Making sure everything works smoothly—and leaving your space clean.

You get peace of mind, warranty protection, and the reassurance that your sink’s not just patched up, but truly fixed.

Prevention & Maintenance Tips 🧰

A few simple habits can keep your sink running smoothly for years:

Don’t pour grease or coffee grounds down the drain—they harden and block pipes.
Use a drain screen to catch hair, food, and debris.
Run hot water after each use to clear out residue.
Check under the sink monthly for slow drips, dampness, or musty smells.
Clean faucet aerators and stoppers every few months.
Schedule annual inspections for older homes, especially if you’ve had water pressure issues near you.

Following these steps helps prevent emergency plumbing calls and protects your investment.

Costs & Time Factors

Wondering how much and how long? It depends on the problem:

DIY fixes (like replacing washers or clearing simple clogs) can take 30–60 minutes and cost just a few dollars for parts.
Professional repairs range from quick adjustments (often under an hour) to more complex jobs (several hours for repiping or fixture replacement).
Hidden or severe issues—like replacing corroded pipes or fixing leaks in tight spaces—can take longer and involve higher costs due to labor and materials.

Remember, a small repair now can prevent much bigger expenses down the road.

When It’s an Emergency

Some sink problems can’t wait. Call for emergency plumbing service right away if you have:

Flooding or major leaks—shut off your main water supply first.
Sewage or foul smells backing up into your sink.
No water flow or extremely low pressure throughout the house.
Visible sparks or electrical issues near the sink.
Any gas smells—evacuate and call for help immediately.

These situations put your home and safety at risk. Don’t hesitate.

FAQ

1. Why does my sink keep clogging, even after cleaning?
There could be a deeper blockage in the drain line or even a problem in your sewer line. Regular maintenance helps, but recurring clogs often need professional equipment.

2. Is it safe to use chemical drain cleaners?
Most pros recommend against it. Chemicals can corrode pipes (especially older ones), and fumes are hazardous. Mechanical methods (like plungers or drain snakes) are safer.

3. Can I fix a leaking pipe under the sink myself?
Small leaks from loose fittings can often be tightened. But if you see corrosion, water stains, or mold, it’s best to call a plumber to prevent bigger issues.

4. How do I know if it’s a water pressure issue near me or just my sink?
Test water flow in other taps. If the problem is everywhere, you might have a main line issue or municipal water problem.

Local/Seasonal Considerations 🌦️

Sink problems can change with the seasons. In winter, pipes under sinks (especially on exterior walls) are at risk of freezing—burst pipes are a real emergency. In spring and fall, increased rain can affect drainage and sewer lines.

If you live in an area with hard water, mineral buildup is more common. Regular cleaning of aerators and investing in water filtration systems can help.

Always check with your municipality if you notice city-wide water pressure changes or are advised of maintenance in your area.

When your sink troubles go beyond a quick fix, Alexanders Plumbing is ready—day or night. Whether it’s a midnight leak or a mystery clog, our team brings the experience, tools, and code knowledge to get your home back on track.

Call Alexanders Plumbing now — or reach us anytime at 877-837-7096 .