A leaky faucet is one of the most common and most annoying home problems. That constant dripping sound is not just irritating — a single dripping faucet can waste up to 3,000 gallons of water per year, adding significantly to your water bill. The good news is that learning how to fix a leaky faucet yourself is much easier than most people think. You do not need to call a plumber or spend hundreds of dollars on a repair. With a few basic tools and this step-by-step guide, you can fix a dripping faucet in under an hour. In this guide we cover how to fix a leaky faucet in your kitchen, bathroom, and bathtub — all the most common types.
Why You Should Fix a Leaky Faucet Immediately
Many homeowners ignore a dripping faucet thinking it is a minor issue. But a leaky faucet gets worse over time, not better. Here is why fixing it immediately matters:
- A faucet dripping once per second wastes over 3,000 gallons of water per year
- The constant moisture causes rust, staining, and mould around your sink
- Water bills increase significantly even from a slow drip
- Ignoring the problem causes the internal parts to wear faster, turning a simple washer replacement into a full faucet replacement
The average DIY faucet repair costs less than $10 in parts. A plumber charges $100 to $250 for the same job. Learning how to fix a dripping faucet yourself is one of the best money-saving home skills you can have.
Tools and Materials You Need
Before you start, gather everything you need so you are not running back and forth. Here is the complete list:
- Adjustable wrench or basin wrench
- Flathead and Phillips head screwdriver
- Replacement washers and O-rings (buy an assorted pack — under $5)
- Replacement cartridge if needed (check your faucet brand)
- Plumber's grease
- Plumber's tape (also called Teflon tape)
- Clean cloth or towel
- Small bowl or bucket to catch water
Types of Faucets and Why It Matters
Before you take anything apart, it helps to know which type of faucet you have because the repair process is slightly different for each:
Ball faucet — has a single handle that rotates over a rounded ball-shaped cap. Common in kitchen sinks. Usually needs a repair kit.
Cartridge faucet — has one or two handles that move up and down. Very common in bathrooms. Usually just needs the cartridge replaced.
Ceramic disc faucet — has a single lever over a wide cylindrical body. Very durable, rarely leaks. Usually just needs cleaning.
Compression faucet — the oldest type, has two handles that you tighten to turn off. Common in older homes. Almost always leaks because of a worn washer — the cheapest and easiest fix.
Step 1 — Turn Off the Water Supply
This is the most important step. Never attempt to disassemble a faucet without turning off the water first or you will have water spraying everywhere.
Look under your sink for the shut-off valves — there will be two small valves, one for hot water and one for cold water. Turn both clockwise until they stop. Then turn the faucet on to release any remaining water pressure in the pipe and confirm the water is completely off.
If you cannot find individual shut-off valves under your sink, you will need to turn off the main water supply to your home. This is usually found in the basement, utility room, or outside near the water meter.
Step 2 — Plug the Drain
Before disassembling anything, put the plug in your sink or place a cloth over the drain. Small parts like screws, washers, and O-rings fall down drains very easily. This is a simple step but saves a lot of frustration.
Step 3 — Remove the Faucet Handle
Look for a decorative cap on top of the faucet handle — this usually covers a screw. Use a flathead screwdriver to pop the cap off, then use a Phillips screwdriver to remove the screw underneath. Once the screw is out, pull the handle straight up to remove it. If it feels stuck, wiggle it gently side to side while pulling upward.
Step 4 — Identify and Replace the Worn Part
This is where the type of faucet matters. With the handle removed, look inside:
For compression faucets — you will see a stem. Unscrew it using your wrench and look at the washer at the bottom. If it looks worn, cracked, or deformed, that is your problem. Replace it with a washer of exactly the same size from your assorted pack. While you are in there, also replace the O-ring around the stem.
For cartridge faucets — pull out the cartridge (it usually just pulls straight up). Take it to your local hardware store to find an exact match, or look up your faucet brand and model online. Replace the entire cartridge.
For ball faucets — use a repair kit specific to your faucet brand. These kits contain all the springs, seats, and O-rings you need and come with instructions.
Step 5 — Reassemble and Test
Once you have replaced the worn part, reassemble the faucet in reverse order. Apply a small amount of plumber's grease to any new O-rings before installing them — this helps them seat properly and last longer.
Tighten everything back up but do not overtighten — finger tight plus a quarter turn with the wrench is enough. Overtightening cracks new parts.
Once reassembled, slowly turn the shut-off valves back on under the sink. Turn them anticlockwise to open. Turn the faucet on and off a few times and check carefully for any dripping. Run both hot and cold water separately to make sure both sides are working.
How to Fix a Leaky Kitchen Faucet
Kitchen faucets are most commonly ball-type or cartridge-type. The steps above apply fully to kitchen faucets. The most common cause of a leaky kitchen faucet is worn O-rings around the body of the spout — these cause leaking at the base of the faucet rather than from the spout tip. If you see water pooling around the base of your kitchen faucet, replace the O-rings on the faucet body.
How to Fix a Leaky Bathtub Faucet
A leaky bathtub faucet almost always has a compression-style mechanism. The fix is usually replacing a worn seat washer inside the stem assembly. The process is the same as above, but the stem is accessed behind the wall via the handle rather than under a counter. Turn off water at the main supply when working on bathtub faucets as there are usually no individual shut-off valves.
How to Fix a Leaking Shower Head
If your shower head is dripping after you turn the shower off, the problem is usually the washer inside the shower head connection or a worn cartridge in the shower valve. Start by removing the shower head — wrap the neck pipe with a cloth to protect it and unscrew the shower head anticlockwise. Look at the rubber washer inside the connection — if it is worn or cracked, replace it. Wrap the threads of the pipe with plumber's tape before reattaching the shower head for a watertight seal.
When to Call a Plumber
DIY faucet repair handles most common dripping problems. However call a professional plumber if:
- You see water damage or black mould around the pipes under your sink
- The shut-off valves under your sink are also leaking or will not turn
- You have replaced the washer and the faucet is still dripping
- You hear banging or gurgling sounds in the pipes
- The leak is coming from inside the wall
Frequently Asked Questions
How long does it take to fix a leaky faucet? Most beginner DIY faucet repairs take 30 to 60 minutes. If you are replacing a cartridge for the first time, allow up to 90 minutes including a trip to the hardware store for the right part.
How much does it cost to fix a leaky faucet yourself? Usually between $5 and $20 for parts — washers, O-rings, or a cartridge. Compared to $100 to $250 for a plumber, the savings are significant.
Can I fix a leaky faucet without turning off the water? No. Always turn off the water supply first. Working on a faucet with the water on will result in water spraying everywhere and potentially flooding under your sink.
CONCLUSION
Fixing a leaky faucet is one of the most satisfying DIY repairs a homeowner can do. It saves money, stops water waste, and gives you the confidence to tackle bigger home repairs. Follow the steps in this guide, take your time at each stage, and you will have that annoying drip fixed in no time. If you found this guide helpful, save it to Pinterest and share it with a friend who has been ignoring that dripping faucet a little too long.
Looking for more beginner DIY guides? Check out our post on how to paint a room step by step.
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