That steady drip from the kitchen or bathroom sink is more than an annoyance when the house is quiet. Left alone, it can waste water, stain a fixture, and point to a small plumbing failure that gets worse over time. The good news is that many homeowners can stop a dripping faucet with a careful repair and a few inexpensive replacement parts. The key is identifying the faucet type before taking anything apart.
A faucet is not one-size-fits-all. The repair for a two-handle bathroom fixture differs from the repair for a single-handle kitchen faucet, and forcing the wrong part into place can create a bigger leak than the one you started with. Work methodically, protect the finish, and know when it is time to call a professional.
Start by Finding Where the Water Is Coming From
Before reaching for a wrench, look closely at the leak. Water dripping from the spout after the handle is turned off usually means an internal sealing part has worn out. On older compression faucets, that is often a rubber washer. On cartridge, ball, or ceramic-disc faucets, the problem may be a cartridge, O-ring, inlet seal, or valve seat.
Water collecting around the base of the handle is a different issue. That often points to a worn O-ring, packing nut, or cartridge seal. If water is appearing under the sink, inspect the supply connections, shutoff valves, drain assembly, and pullout-hose connections before assuming the faucet itself is at fault.
A slow drip that stops only after you tighten the handle harder than normal is also a useful clue. The handle may be loose, but more often the internal components are no longer sealing correctly. Do not keep forcing it. Excess pressure can damage the handle, stem, or cartridge and make a routine repair more involved.
What You Need Before You Stop a Dripping Faucet
For a typical faucet repair, gather a clean towel, small screwdriver set, adjustable wrench, hex keys, needle-nose pliers, a flashlight, and replacement parts that match the faucet. Painter’s tape is helpful for protecting chrome, brushed nickel, or other finished surfaces while using tools.
The most important item is the correct replacement part. If you know the faucet manufacturer and model, use that information. If not, remove the old cartridge, stem, washer, or O-ring and bring it to a plumbing supply store for comparison. Taking a few clear photos before disassembly can also save time when you need to put the faucet back together.
Place the sink stopper in the drain or cover the drain with a rag. Small screws, clips, and washers disappear quickly in a drain, and replacing a lost retaining clip can turn a simple afternoon task into a parts search.
Turn Off the Water First
Look under the sink for the hot and cold shutoff valves. Turn each valve clockwise until it stops, then open the faucet to relieve pressure and confirm that the water is off. If a shutoff valve will not close fully, do not force it. Old valves can fail at the stem or begin leaking when disturbed.
In that situation, shut off water at the home’s main supply only if you know its location and the valve is working properly. A failed shutoff valve is a good reason to bring in a plumbing professional. Replacing it while the water is already off may prevent a future emergency.
Keep a towel beneath the supply lines. A small amount of trapped water will drain out as you remove faucet components, even after the valves are closed.
Repairing a Two-Handle Compression Faucet
Compression faucets are common in older homes. They generally have separate hot and cold handles that turn several times to open or close. A worn rubber washer at the bottom of the stem is a frequent cause of a dripping spout.
Start by removing the decorative cap on the leaking handle. It may pry off gently with a small flat screwdriver. Remove the handle screw, lift off the handle, and use an adjustable wrench to loosen the stem assembly. Turn it counterclockwise and pull it out carefully.
At the bottom of the stem, inspect the rubber washer and the small screw holding it in place. If the washer is flattened, cracked, hardened, or misshapen, replace it with the same size. Also inspect the valve seat inside the faucet body. A rough or pitted seat can prevent a new washer from sealing properly.
This is where a simple repair can become a judgment call. Replacing the washer may solve the problem immediately. But if the valve seat is badly corroded, the faucet may continue to drip until the seat is resurfaced or replaced. On an aging fixture with multiple worn components, replacement can be more cost-effective than repeated repairs.
Reassemble the stem, handle, and cap. Turn the water back on slowly and test both hot and cold sides. Check for a drip at the spout and for leaks around the handle.
Repairing a Cartridge, Ball, or Ceramic-Disc Faucet
Many newer faucets use a single handle, although two-handle cartridge faucets are also common. These fixtures rely on a cartridge, ball assembly, or ceramic-disc valve rather than a simple compression washer.
After turning off the water, find the small set screw that holds the handle in place. It is often located beneath a cap, behind the handle, or near the base. Loosen it with the correct hex key, then remove the handle. You may need to remove a retaining nut, bonnet, or metal sleeve to reach the internal assembly.
For a cartridge faucet, take note of the cartridge orientation before removing it. Some cartridges have tabs or alignment marks that must face a specific direction. Remove the retaining clip or nut, pull out the old cartridge, and inspect the surrounding seals. Install the matching new cartridge and replace any O-rings or rubber seats that came with the repair kit.
Ball faucets have more small parts, including springs and rubber seats. Lay them out in the order they come out. Ceramic-disc faucets are durable, but debris or damaged seals can still cause leakage. Clean mineral buildup gently with a soft cloth and replace damaged seals. Do not scratch ceramic components or use harsh tools inside the faucet body.
When you reassemble a single-handle faucet, avoid overtightening retaining nuts. Tight enough to seal is the goal. Too much force can bind the handle or damage threads.
Check the Aerator and Water Pressure, Too
If the faucet is dripping and also has weak or uneven flow, remove the aerator at the end of the spout. Mineral deposits are common in hard-water areas and can restrict flow. Unscrew it by hand or protect it with tape before using pliers. Rinse the screen, soak it in vinegar if buildup is stubborn, then reinstall it.
The aerator will not usually cause a faucet to drip when shut off, but cleaning it gives you a more accurate picture of the fixture’s condition after the repair. If the faucet still has poor flow after cleaning, the issue may be in the supply line, shutoff valve, or internal faucet passages.
When a Dripping Faucet Needs Professional Repair
A homeowner repair makes sense when the leak is isolated to a familiar faucet, the shutoff valves work, and the correct replacement part is available. Call for help when corrosion has seized components, the faucet body is cracked, water is leaking below the cabinet, or the shutoff valve will not close.
Professional service is also the practical choice when a faucet leak is part of a larger bathroom or kitchen issue. Repeated leaks around an old fixture can damage cabinet floors, drywall, and surrounding finishes. If you are already planning new countertops, a sink replacement, or a bathroom remodel, it may make more sense to address the fixture, supply valves, drain connections, and any hidden water damage as one coordinated project.
For homeowners in Brentwood and nearby communities, N. Abeyta Remodels can help with plumbing repairs as well as the finish work that often follows a leak. The goal is not just to make the drip disappear for the moment. It is to make sure the repair is sound, the surrounding materials are protected, and your home is ready for daily use again.
A faucet should turn on smoothly, shut off cleanly, and leave your sink dry when you walk away. If yours cannot do that after a careful repair, treating the cause now is a far better investment than listening to that drip grow into a larger problem.