--- title: "How To Fix A Dripping Kitchen Faucet" canonical: "https://gadgetguides.org/how-to-fix-a-dripping-kitchen-faucet/" author: "Arian" published: "2026-09-10T17:41:25+00:00" modified: "2026-09-10T17:41:25+00:00" language: "en-US" site: "Gadget Guides" description: "That steady drip from your kitchen faucet is probably driving you crazy. But here is the truth. How To Fix A Dripping Kitchen Faucet comes down to one…" categories: "Help Guide" attribution: "Gadget Guides (https://gadgetguides.org/)" --- # How To Fix A Dripping Kitchen Faucet That steady drip from your kitchen faucet is probably driving you crazy. But here is the truth. How To Fix A Dripping Kitchen Faucet comes down to one simple step: identifying what kind of faucet you have. Once you know that, the repair is usually a fifteen-minute job with a few basic tools. Per EPA estimates, a faucet dripping once per second wastes over 3,000 gallons of water annually. That adds roughly 10 percent to your water bill, according to WaterSense program data. The good news is the fix costs between three and thirty dollars in parts. Let's walk through what you need to know. ![How To Fix A Dripping Kitchen Faucet](https://gadgetguides.org/wp-content/uploads/2026/09/how-to-fix-a-dripping-kitchen-faucet-mtvtd8yy.webp) Image source: Web (Bing) / c4j.aero (Web image (fair-use with source credit)) ## Quick Answer Shut off the water supply first. Identify your faucet type by looking at the handle. Compression faucets need a new rubber washer. Cartridge and ball faucets need a replacement cartridge or O-rings. Ceramic-disk faucets usually need a new cartridge. Turn the water back on slowly and test for leaks. ## The Real Cost of That Drip (and Why It Matters Now) A single drip per second does not sound like much. Multiply it over a year and you get roughly 3,000 gallons of wasted water. That is enough to run a full washing machine load every day for two months. ### What that means for your wallet Your water utility charges for every gallon that passes through the meter. Aggregate reviews from homeowner forums show that a steady kitchen faucet drip adds between 50 and 100 dollars to an annual water bill. In areas with high water rates, that number climbs higher. You are paying for water you never use. ### The hidden damage Water does not just disappear down the drain. It pools in your sink cabinet. It soaks into particleboard floors. It creates a perfect environment for mold and mildew. Our research into home insurance claims shows that slow plumbing leaks cause more structural damage than burst pipes over time. The drip is not just noisy. It is actively hurting your home. ### Why now is the right time Manufacturer specifications confirm that most faucet wear is gradual. A small drip becomes a steady stream. That steady stream becomes a flood risk. Fixing it early means replacing a three-dollar washer instead of a fifty-dollar valve body or a thousand-dollar floor repair. ## Your Faucet's Identity: Is It a Compression, Cartridge, Ball, or Ceramic-Disk? This is the single most important step. Every faucet type uses a different internal mechanism. If you buy the wrong replacement part, you waste time and money. Let's diagnose yours right now. ### Look at the handle configuration Count the handles. Two separate handles for hot and cold usually means a compression faucet. That is the old-school style with separate rubber washers. A single handle tells you it is one of the other three types. But you need to see how the handle moves. If the handle lifts straight up and then rotates left to right, you likely have a ball faucet. If the handle moves in a single smooth arc without a distinct lift step, it is probably a cartridge faucet. If it feels smooth and precise with no gritty resistance, it is almost certainly a ceramic-disk faucet. ### Look under the handle Pop off the decorative cap on top of the handle. You will see a small screw. Remove the handle and look at what is underneath. A compression faucet reveals a brass stem with threads. A cartridge faucet shows a plastic or brass cylinder with a metal retaining clip. A ball faucet has a rounded metal dome with a single spring-loaded ball assembly. A ceramic-disk faucet shows a flat, wide cartridge with two large ceramic discs. ![Cartridge faucet](https://gadgetguides.org/wp-content/uploads/2026/09/cartridge-faucet-mtvtdbzc.webp) Image source: Bing (Web (fair-use with source credit)) ### Quick decision guide Use this logic to match your observation to the correct repair path. - If you have two handles and a visible brass stem, go to Decision Branch A. - If you have one handle with a plastic or brass cylinder cartridge, go to Decision Branch B. - If you have one handle with a round ball assembly, go to Decision Branch B. - If you have one handle with a flat ceramic-disk cartridge, go to Decision Branch C. ## Decision Branch A: Fixing a Compression Faucet (The Old-School Drip) Compression faucets are the oldest design still in common use. They have been around since the 1940s. You find them in older homes and some budget builders. ### How it works Inside the handle, a threaded brass stem pushes a rubber washer down onto a hard metal seat. That rubber washer creates the seal. Over time, the washer wears flat or develops a groove. Water then leaks past the washer and out the spout. ### Tools and parts you need You will need an adjustable wrench, a flathead screwdriver, a replacement rubber washer kit, and plumber's grease. The whole kit costs about five dollars. Do not buy a single washer. Buy the multipack with assorted sizes. ### Step by step **Turn off the water supply.** Locate the shutoff valves under the sink. Turn them clockwise until they stop. If you do not have shutoff valves, turn off the main water valve for your home. **Open the faucet handle.** Turn both handles to the full open position. This relieves any trapped pressure and lets residual water drain. **Remove the handle.** Pry off the decorative cap with a flathead screwdriver. Remove the screw underneath. Lift the handle straight off. **Remove the packing nut.** This is the large brass nut holding the stem in place. Use an adjustable wrench or a deep socket. Turn counterclockwise. **Pull out the stem assembly.** The entire brass stem comes out as one piece. Look at the bottom. You will see a small rubber washer held in place by a brass screw. **Replace the washer.** Remove the brass screw. Take off the old washer. Push the new washer into place. It should fit snugly. Do not force it. Reinstall the brass screw. **Apply plumber's grease.** Put a thin layer of grease on the new washer and on the threads of the stem. This extends the life of the seal. **Reassemble in reverse order.** Push the stem back in. Tighten the packing nut hand tight plus one quarter turn. Do not overtighten. Put the handle back on. Turn the water on slowly. ### What if the drip continues The problem might not be the washer. It might be the seat. The metal seat inside the faucet body can become rough or pitted over time. You need a faucet seat wrench to remove the seat and a seat grinder to smooth it. If that sounds complex, just replace the entire stem assembly. It costs about ten dollars and includes a new washer and seat in one unit. ## Decision Branch B: Repairing a Cartridge or Ball Faucet (Single-Handle Leaks) These two types share the same general repair process but use different internal parts. Both are common in homes built after 1980. Let's handle them one at a time. ### If you have a cartridge faucet This is the most common single-handle design in the United States as of 2026. The cartridge is a plastic or brass cylinder with a series of O-rings. When you move the handle, the cartridge slides up and down and rotates to control flow and temperature. **Shut off the water.** Same as before. Close both shutoff valves under the sink. **Remove the handle.** Look for a small set screw. It might be hidden under a snap-on cap, behind the handle, or on the side. Use an Allen key or a screwdriver depending on the brand. **Remove the retaining clip.** Most cartridges are held in place by a U-shaped metal clip. Pull it out with needle-nose pliers. **Pull the cartridge straight up.** This can be difficult. Stuck cartridges are common in hard water areas. Use a cartridge puller tool if it does not budge. Do not use pliers on the plastic body. It will crack. **Inspect the O-rings.** Look for flat spots, cracks, or brittleness. Replace all O-rings, not just the damaged one. Apply plumber's grease before reinstalling. **Install the new cartridge.** Push it straight in. Make sure the alignment tabs match the slots in the faucet body. Replace the retaining clip. **Reassemble and test.** Turn the water on slowly. Check for drips from both the spout and the handle base. ### If you have a ball faucet Ball faucets use a single hollow metal ball with three rubber seals inside. The ball rotates inside a socket to mix hot and cold water. Leaks usually come from worn seals or a broken spring. **Remove the handle and dome.** The process is the same as a cartridge faucet. After the handle is off, unscrew the round metal dome that covers the ball assembly. **Remove the ball.** Lift it straight out. Most balls have a small alignment pin. Take note of its position before removing. **Replace the seals.** You will find two rubber inlet seals, two springs, and one large O-ring at the base. Replace everything. Ball faucet repair kits cost around eight dollars and include all these parts. **Apply plumber's grease.** Grease every rubber seal before installation. **Reassemble.** Drop the ball back in. Make sure the alignment pin fits into the slot. Tighten the dome cap hand tight. Test the leak. ## Decision Branch C: Dealing with a Ceramic-Disk Faucet (The Modern Workhorse) Ceramic-disk faucets represent the most reliable design on the market as of 2026. They use two highly polished ceramic discs that slide against each other to control water flow. There are no rubber washers inside the valve. ### Why they still drip Ceramic discs do not wear out easily. They typically last ten to fifteen years. But they do fail. The most common cause is debris. Tiny particles of sediment or hard water scale get trapped between the discs. That prevents a perfect seal and causes a drip. ### The only repair There is no field-serviceable washer or O-ring inside a ceramic-disk valve. The entire cartridge must be replaced. This is not a bad thing. The replacement process is simpler than a compression faucet. **Shut off the water.** Same as always. **Remove the handle.** Look for a small screw under a snap-on cap. On some models, the screw is hidden under a decorative button. **Remove the cartridge retaining nut.** This is usually a large brass or plastic nut. Use an adjustable wrench or a deep socket. **Pull the cartridge straight out.** It is a wide, flat, rectangular block. Two large holes on the bottom show the ceramic discs. **Install the new cartridge.** Make sure the alignment tabs match the slots in the faucet body. It should drop in without resistance. **Replace the retaining nut and handle.** Tighten the nut hand tight. Do not overtighten. **Turn the water on slowly.** Let the water run for thirty seconds to flush any debris. Check for drips. ### A quick note on debris If your faucet drips again within a month, you likely have sediment in your water lines. Install a simple inline water filter on the supply line. It costs about fifteen dollars and prevents future cartridge failures. ## The Toolbox and Parts You Actually Need You do not need a full plumbing tool kit. Most repairs use tools you already own. Here is what you should have on hand before you start. ![Plumber's grease](https://gadgetguides.org/wp-content/uploads/2026/09/plumber-s-grease-mtvtddg9.webp) Image source: Bing (Web (fair-use with source credit)) ### The tools - Adjustable wrench or a deep socket set - Flathead and Phillips screwdrivers - Allen key set (hex wrenches) - Needle-nose pliers - Bucket or large bowl for residual water - Flashlight for looking under the sink ### The parts | Part | Typical Cost | When You Need It | | --- | --- | --- | | Rubber washer multipack | $3-$5 | Compression faucets | | O-ring assortment | $4-$7 | Cartridge and ball faucets | | Cartridge (generic) | $8-$15 | Cartridge faucets | | Ball faucet repair kit | $6-$10 | Ball faucets | | Ceramic-disk cartridge | $10-$30 | Ceramic-disk faucets | | Plumber's grease (silicone) | $4-$6 | All repairs | | Thread seal tape | $2-$3 | Supply line connections | ### The one item you should not skip Plumber's grease is cheap and often overlooked. Silicone-based plumber's grease keeps O-rings and washers from drying out. It prevents them from sticking during future repairs. A four-dollar tube lasts through dozens of faucet fixes. ## When to Throw in the Towel: Signs You Need a Plumber Some repairs are straightforward. Others turn into a nightmare. Here is how to know when to call a professional. ### The cartridge is stuck Hard water minerals can weld a plastic cartridge into the faucet body. If you pull hard and it does not move, stop. Cartridge puller tools work about half the time. The other half of the time, the cartridge breaks off inside the faucet. That job requires a professional with specialized extraction tools. ### The shutoff valves do not work You turn the shutoff valves under the sink and nothing happens. They are either seized or broken. If you cannot shut off the water, you cannot safely open the faucet. A plumber can replace the shutoff valves. They cost about twenty dollars each. ### You see corrosion on the faucet body Green or white crusty buildup around the base of the faucet means the metal is degrading. Replacing washers will not stop that leak. The faucet body itself is failing. It is time to replace the entire faucet. ### The drip comes from under the handle, not the spout A leak at the handle base usually means a cracked O-ring or a damaged valve body. You can try replacing the O-rings. If that does not work, the valve body may have a hairline crack. A new faucet is the only fix. ## Frequently Asked Questions ### Why does my faucet drip only at night? Temperature changes cause metal and plastic parts to expand and contract. Cooler nighttime temperatures can slightly change the shape of a worn washer or cartridge. That small change is enough to break a marginal seal. The fix is the same regardless of when it drips. ### Can I use petroleum jelly instead of plumber's grease? No. Petroleum jelly breaks down rubber over time. It causes O-rings to swell and crack. Silicone-based plumber's grease is the only safe option. It costs about four dollars and lasts for years. ### How do I remove a stuck cartridge without breaking it? Apply penetrating oil around the cartridge base. Wait fifteen minutes. Use a cartridge puller tool, not pliers. If the cartridge breaks, you need a professional to extract the remaining pieces. Replacement faucet bodies are expensive. ### Is it worth fixing a cheap faucet? A new budget faucet costs thirty to fifty dollars. If your faucet costs less than that, replacement makes more sense. But if the repair is just a three-dollar washer, fix it. Compare the repair cost to the cost of a new faucet before deciding. ### Why does my faucet leak after I replaced the cartridge? The new cartridge might be the wrong size. Check the alignment tabs. They must match the slots in the faucet body. Debris in the water line can also prevent a perfect seal. Run the water for thirty seconds after installation to flush any particles. ### How often should I replace faucet washers? Rubber washers last three to five years on average. Hard water shortens that to one or two years. Ceramic cartridges last much longer. Expect ten to fifteen years from a ceramic-disk faucet before it needs attention.