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Why is my kitchen faucet dripping from the spout?

A constant drip from your kitchen faucet spout usually means a worn-out cartridge or O-ring. Replace it to stop the leak and save water.

Category:Plumbing
Difficulty:Moderate
Time:30 min
Success:50%
Updated:Jun 14, 2026

quick_referenceQuick Answer

For Why is my kitchen faucet dripping from the spout?, start with "Turn off water supply": Locate the shut-off valves under the sink and turn them clockwise to stop water flow. Open the faucet to relieve pressure. Stop DIY if you cannot shut off the water supply valves under the sink. This is listed as a moderate recovery and usually takes about 30 min.

verifiedGuide Snapshot

Repair areaPlumbing
Estimated time30 min
DifficultyModerate
Stop conditions3

Last updated Jun 14, 2026. Review the stop conditions before continuing.

account_treeRecovery State

DeviceKitchen Faucet
Current stateLeak
Specific stateSpout Drip
Failed stepCartridge Wear
Likely failure typeWorn Part
DIY boundaryDIY recovery first
paymentsCost decision

help1. Understand the Problem

A dripping faucet is most often caused by a worn-out cartridge or O-ring inside the handle assembly. Over time, mineral buildup and normal use degrade these seals, allowing water to seep past. Replacing the cartridge is a straightforward fix that restores a tight seal.

build_circle2. Try This First

Best First Step
Turn off water supply

Turn off water supply

Locate the shut-off valves under the sink and turn them clockwise to stop water flow. Open the faucet to relieve pressure.

visibility3. Visual Guidance

See what's happening and how to try the first recovery step.

1
Remove the handle
Remove the handlePry off the decorative cap on the handle with a flathead screwdriver. Unscrew the handle screw and lift the handle off.
2
Extract the old cartridge
Extract the old cartridgeUse pliers to pull the cartridge straight out. Note the orientation for reinstallation.
3
Install the new cartridge
Install the new cartridgeInsert the new cartridge matching the old orientation. Press firmly until seated. Reattach the handle and cap.

autorenew4. If That Doesn't Work

Try the next recovery options.

Tighten the faucet handle nutSometimes a loose handle nut causes a drip. Tighten it with an Allen wrench or screwdriver.
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Frequently Asked Questions

How do I know which cartridge to buy?expand_more
Check your faucet brand and model number (often on the base or box). Common brands include Moen, Delta, and Kohler.
Can I fix a drip without replacing the cartridge?expand_more
Sometimes cleaning mineral deposits off the cartridge works, but replacement is more reliable.
Why does my faucet drip after replacing the cartridge?expand_more
Ensure the cartridge is fully seated and the retaining clip is secure. Also check the O-rings on the spout base.
Do I need to turn off the main water supply?expand_more
No, the shut-off valves under the sink are sufficient. If those are stuck, use the main valve.
How often should faucet cartridges be replaced?expand_more
Every 5-10 years depending on water quality and usage. Hard water accelerates wear.

warning5. Stop DIY If

Don't continue if any of these apply.

reportYou cannot shut off the water supply valves under the sink
reportThe faucet body is corroded or cracked
reportWater continues to leak after replacing the cartridge
Still stuck?Get personalized help with AI Recovery.

Same Device Recovery States

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Leaky Faucet HandleWater spraying from your kitchen faucet handle base usually means a worn-out cartridge or loose retaining nut. Fix it with these steps.
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Faucet spout dripA constant drip from your kitchen faucet spout usually means a worn-out cartridge or O-ring. Here's how to diagnose and fix it.
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Faucet low pressureWhen a kitchen faucet suddenly loses pressure while other fixtures run fine, the aerator is likely clogged with sediment or a supply line is kinked — both quick fixes.
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Kitchen Faucet Leak FixStop base leaks and restore weak water flow by replacing worn O-rings and cleaning the aerator.
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Faucet Handle Base LeakWater spraying from the handle base usually means a worn O-ring or loose cartridge. Fix it with simple DIY steps.
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Faucet base leak fixIf water seeps around the base of your kitchen faucet, a worn O-ring or loose mounting nut is usually the cause. Here's how to fix it.

Similar Failure Pattern

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This page provides general DIY guidance.
If you're unsure, it's always best to consult a professional.