Miles SinclairBy Miles Sinclair

Updated November 2026

To repair a leaky outdoor faucet handle, you shut off the water supply, remove the handle, and replace the worn packing washer or O-ring that seals the stem. Most leaks around the handle come from that one worn seal, and the fix usually takes under an hour with a few basic tools. This guide walks through the process so you can stop the drip before the next freeze or the next water bill arrives.

Shut Off the Water and Find the Leak Source

Start by closing the shutoff valve that feeds the outdoor faucet, usually located inside the basement, crawl space or near the wall where the pipe enters. Then open the faucet to drain any water still in the line. If the faucet has a freeze-proof design, the valve may be deeper inside the wall, so check the owner’s manual or the manufacturer’s specifications before you start.

Shopping for one? See our guide: Leaky Outdoor Faucet Repair: 7 Best Kits and Parts Compared (2026).

Next, confirm where the water is escaping. A drip from the spout means the problem is inside the valve. Water weeping from around the handle or the packing nut points to a worn stem seal. This guide assumes the second case.

Remove the Handle and Stem

  1. Pry off the decorative cap on top of the handle with a flathead screwdriver.
  2. Remove the handle screw and lift the handle off the stem.
  3. Unscrew the packing nut using an adjustable wrench, turning counterclockwise.
  4. Pull the stem out of the faucet body. Some stems need a gentle twist to release.

Take a photo before you disassemble anything. It is the easiest reference for putting parts back in the right order.

Replace the Packing Washer or O-Ring

Inspect the rubber packing washer or O-ring at the bottom of the stem. If it looks flattened, cracked, or pitted, it is the cause of the leak. Remove the old washer and take it to a hardware store to match the size exactly, since outdoor faucets use several standard diameters. Slide the new washer onto the stem, then coat it lightly with plumber’s grease.

Check the valve seat at the bottom of the faucet body as well. If it has mineral buildup or grit, scrub it with a wire brush or a small seat wrench. A rough seat will wear a new washer within weeks.

Reassemble and Test the Faucet

  • Reinstall the stem, then tighten the packing nut snugly. Do not overtighten, or the handle will feel stiff.
  • Attach the handle and secure the screw, then replace the decorative cap.
  • Slowly open the shutoff valve and check for leaks at the handle and spout.
  • Run the faucet for a minute and watch the packing nut area closely.

If water still seeps at the handle, tighten the packing nut a quarter turn at a time until the leak stops. If the handle still drips from the spout after the washer change, the valve seat may need replacing, which is a separate repair.

Common Mistakes

  • Forgetting to shut off the water, which causes a spray the moment you loosen the stem.
  • Buying a washer by eye instead of measuring the old one, leading to a poor seal.
  • Overtightening the packing nut, which stiffens the handle and wears parts faster.
  • Skipping lubricant on the new washer, which can cause it to tear during installation.
  • Reinstalling the faucet with the wrong stem length, which prevents full shutoff.

A basic set of tools makes this job much easier. A plumber’s grease for faucet washers keeps new rubber parts from tearing as you reassemble the stem. View on Amazon

An adjustable wrench for plumbing work grips the packing nut without marring it. View on Amazon

A faucet seat wrench set lets you remove a worn valve seat without damaging the faucet body. View on Amazon

FAQ

Why does my outdoor faucet handle leak when it is turned on?

The most common cause is a worn packing washer or O-ring around the stem. Water forces its way past the damaged seal and escapes around the handle. Replacing that seal usually stops the leak.

Can I repair the handle without turning off the main water supply?

You can often use the shutoff valve that serves only the outdoor faucet, but it is safest to close the main supply if the valve is old or unreliable. Always drain the line before removing the stem.

How often should the washer be replaced?

Rubber washers wear over time, especially in areas with hard water or freezing winters. Many homeowners check them every few years, and replacement is cheap insurance against water waste.

Conclusion

Repairing a leaky outdoor faucet handle comes down to shutting off the water, replacing the worn packing washer, and reassembling the stem with care. With the right parts and a little patience, most homeowners can finish the job in an afternoon. If the valve itself is damaged or the pipe is corroded, consult a licensed plumber before proceeding further.

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Miles Sinclair

About Miles Sinclair

Miles Sinclair is part of our editorial team and reviews and edits our kitchen faucets & sinks guides, checking product details against manufacturer specifications and owner feedback.