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Outdoor faucets that drip or will not shut off

By Szeto Handyman · Updated · 4 min read

Quick answer

A dripping hose bib usually needs a new washer or a full replacement. Adding a vacuum breaker protects your drinking water. Leaks behind the wall need prompt attention.

Outdoor spigot on a painted brick wall

Hose bibs on Monterey Park homes get daily use for gardens on sloped lots. They wear out.

Signs

  • Drip from the spout
  • Leak from the handle
  • Water behind the wall or in the stucco

Repair or replace

A washer may fix a drip. Corroded bibs should be replaced.

Garden hose spraying water over a lawn

Vacuum breakers

These prevent hose water from siphoning back into the house water.

Before replacing, find the shutoff for that line or use the main.

Hillside gardens and hose bibs

Sloped yards in Monterey Park often have long hose runs, sprinklers and drip systems hooked to the same outdoor faucet. That puts constant pressure and wear on the hose bib. Higher water pressure on the hills adds to it.

Leaks inside the wall

If you see water on the inside of the wall behind a hose bib, or stucco staining and cracking beneath it, the pipe or the faucet stem may be leaking inside the wall. This needs attention quickly to prevent damage.

Hand watering garden plants with a hose

Frost-free and quarter-turn bibs

Quarter-turn hose bibs open and close with a short turn and are less likely to wear washers. Frost-free bibs are less important here than in colder climates, but long-stem bibs can be a good fit through thick walls.

Sealing to stucco

A new bib should be sealed where it meets the stucco so water does not run behind the wall.

Adding a second bib

If you are constantly dragging a hose around the house, adding a hose bib on another side of the house may be possible, depending on pipe locations.

Signs a hose bib needs work

The outdoor faucet, or hose bib, is often the most neglected plumbing fixture on a house. Common problems are a drip from the spout when the handle is closed, water leaking around the handle stem when the hose is on, a handle that spins without shutting off, and water spraying out of the vacuum breaker.

Any leak against a stucco or wood wall can soak the wall and the framing behind it over time.

Repair or replace

A drip from the spout often means a worn washer. On a standard compression bib, turning off the water, removing the handle and packing nut, and replacing the stem washer can fix it. A leak around the stem usually means the packing needs replacing.

When the bib body is corroded, threads are damaged, or the valve seat is worn, replacing the whole bib is the better fix.

Backflow protection

Hose connections need protection that stops dirty water from being sucked back into the house water supply. That is the job of a vacuum breaker, either built into the bib or as a screw-on device. If water sprays out of the cap when the hose is running, the vacuum breaker may need replacing. Leaving a sprayer nozzle closed on a pressurized hose can stress it.

Frost-free and quarter-turn bibs

In Southern California, freezing is rare, but frost-free bibs still offer one benefit: the valve seat sits inside the wall, so less water stays in the exposed spout. Quarter-turn ball valve bibs open and close with a short lever, which is easy on the hands and less prone to washer wear. Either can be a good upgrade.

Mounting and the wall

Hose bibs need to be firmly anchored. A loose bib that wobbles every time the hose is pulled will eventually crack the pipe inside the wall. We check the mount and secure the flange to the wall or blocking. On stucco, we seal around the pipe so water does not run behind it.

Our steps:

  • Shut off water to the house or the zone
  • Open the bib to relieve pressure
  • Remove the old bib and inspect the pipe and threads
  • Install the new bib with thread sealant or the right fittings
  • Secure the flange and seal the wall penetration
  • Restore water and check for leaks at the wall and the vacuum breaker

Hillside pressure

Higher water pressure on lower parts of hillside streets can make bibs leak sooner. If several fixtures drip or toilets run, check your house pressure; see high water pressure on the hillside.

Garden care

Coil hoses off the ground when not in use, and do not leave them pressurized in the sun. Hoses hanging off a bib also strain the pipe. A wall-mounted hose reel near the bib takes that weight off.

Moving or adding a bib

Some hillside lots have only one or two hose bibs, often in awkward places. Adding a bib on a far side of the house or near a lower garden saves dragging hoses up and down stairs. Where the supply pipe runs, how it reaches the new location, and whether the line is copper or galvanized all affect the job.

If irrigation is involved, a separate valve with its own backflow device may be better than another bib. A bib mounted near a door or walkway should be placed so a hose does not become a trip hazard.

Leak at the wall

If water shows up inside the house near a hose bib, the pipe in the wall may be cracked. Shut off the water and call before using the bib again.

What our visit involves

We shut off the water, replace the hose bib, seal it and test. See hose bib replacement.

Outdoor faucet jobs on the hill end with a trip down to NBC Seafood for dim sum.

Want us to handle it?

Call or text (626) 684-3505, Mon–Sat, 8:30 AM–7 PM. Send a photo and we will give you an upfront quote.

Call or text (626) 684-3505