How to Fix a Leaky Faucet (Without Calling a Plumber)

Mar 3

A leaky faucet is one of those little things that’s easy to ignore—until you hear the drip... drip... drip all night long. The good news? Fixing it is easier than you think, and you don’t need to be a plumber to do it.

If you’ve got 30 minutes and a wrench, you can stop that drip for good. Here’s how.

What You’ll Need

Basic Tools:

Adjustable wrench
Phillips and flathead screwdriver
Pliers
Allen wrench (for some faucets)

Replacement Parts (Depending on Your Faucet Type):

Washer or O-ring (for compression faucets)
New cartridge (for cartridge faucets)
Plumber’s grease (optional, but helps prevent future leaks)

If you’re not sure what kind of faucet you have, don’t stress—once you take it apart, you’ll see what needs replacing.

What to Do

Step 1: Turn Off the Water

Before you do anything, shut off the water using the valves under the sink. Turn the faucet on to let any leftover water drain out.

Step 2: Remove the Handle

Pop off the handle cap (if there is one) with a screwdriver.
Use a screwdriver or Allen wrench to loosen the handle screw.
Pull off the handle to expose the internal parts.

Step 3: Take Out the Old Parts

Unscrew the packing nut (the big nut under the handle) with a wrench.
Pull out the stem or cartridge (depends on your faucet type).
Check the washer or O-ring at the bottom—it’s probably worn out and causing the leak.

If you have a cartridge faucet, the whole cartridge needs replacing.

Step 4: Replace the Washer or Cartridge

Compression faucet? Swap out the old washer and O-ring for new ones.
Cartridge faucet? Replace the whole cartridge.
Add a little plumber’s grease to the new parts to help them seal properly.

If you’re unsure what to buy, take the old part to the hardware store and match it up.

Step 5: Put Everything Back Together

Reinsert the new washer, O-ring, or cartridge.
Tighten the packing nut, but don’t overdo it.
Put the handle back on and screw it in place.

Step 6: Turn the Water Back On & Test

Slowly turn the water back on and check for leaks. No drip? You did it! 🎉

When to Call a Pro

If your faucet is still leaking after replacing the washer or cartridge, the problem might be corrosion inside the plumbing or a bad valve seat. That’s when it’s time to call in a professional.

Lisa Emanuel