How to Fix a Dripping Faucet: A South Florida Homeowner's DIY Guide

A dripping faucet is the plumbing problem people live with the longest. It doesn't flood anything, it doesn't smell, and after a week your ears filter out the sound entirely. But the EPA estimates that a faucet dripping just once per second wastes more than 3,000 gallons a year, and in South Florida — where your sewer charge is typically pegged to your metered water use — you pay for those gallons twice. The good news is that in our experience across Miami-Dade, Broward, and Palm Beach, the overwhelming majority of drips come down to a single worn part inside the faucet, and swapping it is a genuine 30-to-45-minute DIY job. The part that trips people up isn't the wrench work — it's buying the wrong part because they never identified their faucet type. This guide fixes that first.

Step 1: figure out which of the four faucet types you have

Every residential faucet is one of four designs, and each one leaks and gets repaired differently. You usually can't tell from the outside, but the handle behavior is a strong clue. Here's how to sort yours before you touch a tool:

• Cartridge — a single lever (or two matching handles) that moves smoothly through its whole range. The most common faucet installed in the last 25 years. You fix it by replacing a cylindrical cartridge, not a washer.
• Compression — an older two-handle faucet where each handle screws down and gets noticeably firmer as you close it, the way an outdoor spigot does. These use a rubber seat washer, which is the classic cause of drips.
• Ball — a single handle sitting on a rounded, dome-shaped cap, common on older kitchen sinks (the Delta-style design). Repaired with a ball-and-spring rebuild kit.
• Ceramic-disk — a single lever with a wide, shallow body, often a higher-end fixture. Very durable; when it does leak, you clean or replace the ceramic disk cartridge inside.

Step 2: gather your tools and the right replacement part

You don't need much, but having it staged before you shut the water off keeps the job to one session. For most repairs you'll want:

• An adjustable wrench and a set of Allen (hex) keys — many single-handle faucets hide the handle set-screw behind the lever or under the decorative cap.
• A Phillips and a flat screwdriver, plus needle-nose pliers.
• The correct replacement part: a matching cartridge, a seat-washer assortment, or an O-ring kit. Pull the old part first and bring it to the store, or photograph the faucet brand and model. Moen, Delta, Kohler, and Price Pfister all sell brand-specific cartridges, and many carry a lifetime parts warranty — call the brand's support line with your model number and they'll often mail the part free.
• Plumber's grease (silicone faucet grease), white vinegar for descaling, and a rag. A cartridge-puller tool is cheap insurance on a faucet that's been in hard water for years.

Step 3: shut off the water and protect the sink

1. Close both angle-stop valves under the sink (turn clockwise until they stop). If they're corroded, won't turn, or leak when you try — common in older South Florida homes where they haven't moved in 20 years — shut off the house main instead and add 'replace angle stops' to your list.
2. Open the faucet fully to relieve line pressure and let the remaining water drain out. Then leave it open.
3. Plug the drain with a stopper or a rag. This is the step everyone skips and regrets — the set-screws, springs, and O-rings inside a faucet are small enough to vanish down an open drain in a heartbeat.
4. Lay a towel in the bottom of the cabinet and put a small container nearby for parts. Take a photo at each stage as you disassemble so reassembly is a reverse playback, not a guessing game.

Step 4a: replacing a cartridge (the most common repair today)

If you have a single-handle or modern two-handle faucet, this is almost certainly your fix. The cartridge is the valve; when its internal seals wear, the faucet drips.

1. Remove the handle. Pry off the decorative cap (often a red/blue button) to reach the screw, or loosen the hidden hex set-screw with an Allen key. Lift the handle straight off.
2. Remove the retaining clip or bonnet nut holding the cartridge in place. Some brands use a small horizontal U-clip you pull out with needle-nose pliers; others use a threaded nut you back off with a wrench.
3. Pull the old cartridge straight up and out. If it's stuck — which it often is in our hard water — don't wrench it sideways and crack the housing. Use a brand-matched cartridge-puller tool, or grip the stem with pliers and rock it gently while pulling.
4. Take the old cartridge to the store (or match it to your brand's part number) and buy the exact replacement. Match the length and the shape of the stem end where the handle attaches.
5. Wipe mineral scale out of the valve body with a vinegar-dampened rag, lightly coat the new cartridge's O-rings with plumber's grease, and slide it in the same orientation the old one came out (many are keyed — there's a notch that must line up).
6. Reinstall the clip/nut and handle, turn the water back on slowly, and run both hot and cold for a full minute while checking for drips.

Step 4b: replacing the washer on a compression faucet

If you have an older two-handle faucet that screws firmly shut, and the hot or cold side drips, you're replacing a rubber seat washer. Here's the sequence:

1. Pry off the handle cap, remove the handle screw, and lift the handle off to expose the packing nut and stem.
2. Unscrew the packing nut with a wrench and back the stem out of the faucet body.
3. At the bottom of the stem is a rubber washer held by a small brass screw. Replace both the washer (match the size and shape from an assortment pack) and, while you're there, the O-ring on the stem — the O-ring is what causes leaks around the handle.
4. Look into the faucet body at the valve seat the washer presses against. If it feels rough or pitted with your fingertip, that scored seat will chew up a new washer within weeks — it needs to be dressed with a seat-grinding tool or the seat replaced. This is the point where many compression drips stop being a clean DIY fix.
5. Coat the new washer and O-ring with plumber's grease, reassemble in reverse, and turn the water on slowly.

Don't skip the aerator — the South Florida special

If your complaint is a weak, sputtering, or oddly-aimed stream rather than a true drip, the fix is often not inside the faucet at all — it's the aerator, the small screened tip that screws onto the end of the spout. In our hard water, calcium and lime scale clog that screen faster than almost anywhere in the country. Unscrew it by hand (or with pliers padded by a rag so you don't scratch the finish), soak the parts in white vinegar for 20 to 30 minutes to dissolve the mineral crust, brush it clean, and thread it back on. We recommend South Florida homeowners do this every three to six months — it's a two-minute job that keeps pressure and spray pattern normal and is the single most common 'my faucet is acting up' call that never needed a plumber.

Why your South Florida faucet drips again a few months later

If you've replaced a cartridge or washer and it starts dripping again within a season, the part isn't really the problem — the water is. Our drinking water comes from limestone aquifers, so it runs moderately hard to hard almost everywhere in the tri-county area. Those dissolved minerals deposit as scale on every seal in the faucet, and the scale is abrasive: it grinds cartridge seals and washers down far faster than in soft-water regions. The second repeat-drip culprit is water pressure. The Florida Building Code caps residential static pressure at 80 psi, but we routinely measure 90 to 110 psi in tri-county homes without a working pressure-reducing valve, and that constant hammering shreds fresh faucet seals. If you're on your second cartridge in a year, test your pressure with a $12 gauge and consider whether a whole-house filter or softener would pay for itself across the faucet, the water heater, and every other fixture at once.

When to stop DIY and call a plumber

• The shutoff valves under the sink won't turn, leak when you try, or snap off — replacing an angle-stop without flooding the cabinet is a job for someone with the parts on the truck.
• The cartridge is calcified into the faucet body and won't release with a puller and a vinegar soak — forcing it cracks the housing.
• The valve seat in a compression faucet is scored or pitted and a new washer drips within days.
• Water is coming from under the sink at the supply lines or the faucet base, not from the spout — that can mean a failed supply line or a cracked faucet body that's better replaced than patched.
• You've replaced the obvious part twice and it keeps failing — that usually means high pressure or a scored body, and guessing again just wastes parts. Call us at 754-707-1774; we cover Miami-Dade, Broward, and Palm Beach and can usually diagnose and fix a persistent faucet leak the same day.