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Pacifica, San Francisco, Burlingame, CA · Serving the Bay
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Shower repair in Daly City, CA fixes the problems that make a daily shower annoying or wasteful: a constant drip, a handle that will not shut off, water that swings between hot and cold, or spray that has faded to a trickle. Works Plumbing finds the failed part, repairs it, and checks whether something upstream is wearing it out.
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Most shower repairs are finished in one visit. Request shower repair and tell us what you are seeing.
Start with what the shower is doing. Each symptom narrows the search.
| What you notice | Common cause | Usual repair |
|---|---|---|
| Drip from the head or spout after shutoff | Worn cartridge or seals | Replace the cartridge or seals |
| Handle hard to turn or loose | Worn cartridge or stem | Replace the cartridge and trim parts |
| Water too hot or too cold, or swings | Failed balancing part in the valve | Repair or replace the valve internals |
| Weak spray from the head | Clogged head or flow restrictor, or a valve issue | Clean or replace the head, check the valve |
| Water stays in the tub spout during a shower | Worn diverter | Replace the diverter or spout |
| Water in the ceiling or wall below | Leak at the valve, arm, or drain | Find the source, then repair |
When the same part fails again soon after a repair, we look past the shower for the reason.
A drip that will not stop is almost always inside the valve. Most single-handle showers use a cartridge that controls both flow and temperature. When its seals wear, water passes even with the handle off.
We shut off the water, pull the cartridge, and match it to the valve brand. Then we:
A cartridge that fails within a year or two is a warning sign. That is where water pressure comes in.
A stain on the ceiling under a bathroom is not always the shower valve. The water can come from:
We narrow the source before opening anything. If the wall must be opened, we tell you how large the opening will be and where, and we price the repair first. A leak that stops when the shower is off often points to the drain or the surround, not the supply.
A weak shower is often a clogged head or a flow restrictor, which we can clean or replace. If the whole house has weak pressure, the cause may be upstream, such as a supply line leak. Our page on water line repair in Daly City covers that case.
Temperature swings are usually a worn pressure-balancing part inside the valve. When someone flushes a toilet and the shower turns hot, that part is not keeping up. We repair or replace it so the temperature holds.
Most shower problems are a nuisance, not an emergency. A few need attention the same day:
If water is coming through a ceiling, shut the water off at the main and keep the area clear of electrical fixtures. We offer 24/7 emergency service for active leaks. A slow drip or a weak spray can wait for a regular appointment, but fixing it soon keeps water off your bill and out of the wall.
Most valves are worth repairing. Replacing the valve body makes sense when:
A valve replacement usually means opening the wall behind the shower. We discuss access, tile, and price before you decide.
We at Works Plumbing have been family owned and operated since 2009. On a shower repair, you get:
A worn toilet in Daly City is often next on the list. We can look at both in one visit. Read more about our plumbing repair work, or see the full Daly City plumbing page.
Why does my new shower cartridge keep failing in Daly City?
High static pressure is a common reason. Daly City’s water heater guidance calls for a pressure regulator to bring static pressure to 80 psi or less where it is excessive. We test your pressure so the new part does not wear out early.
Is water pressure the same across Daly City?
No. The city’s water system runs through 23 pressure zones, so two homes in different parts of the city can see different static pressure. We measure it at your house.
Do I need a pressure regulator?
Only if your static pressure is excessive or your current regulator is failing. We read the pressure first. If a regulator is needed, the city’s guidance also covers the expansion tank that may go with it.
Does Daly City water cause scale in my showerhead?
The city publishes hardness for its SFPUC supply, but not for the blended SFPUC and well water at your tap. We look at your actual showerhead and valve. If we find scale, we clean or replace the parts.
Can you fix my shower without removing tile?
Most repairs, including cartridge, seal, and diverter work, are done from the front of the valve without touching tile. Opening the wall is only needed for a valve body replacement or a hidden leak.
Will a shower repair change my water heater?
No. But if the pressure test shows a problem, the fix may involve the regulator or expansion tank that the city’s water heater guidance describes. We explain that before any work.
A dripping or unpredictable shower wastes water and patience. Schedule shower repair with Works Plumbing, and we will fix the valve and check the pressure behind it.
You have to do it right for the first time in the first installation of your new shower or shower part. If a shower is not correctly mounted, the problems it creates may be more than just uncomfortable. A wrongly installed shower can leak or flood your house, causing severe water damage to neighboring areas. Furthermore, if a shower is not appropriately installed for the first time, it may be expensive to repair in the future. Trusted plumbers must install a shower to be reliable from day One to year 10. Works Plumbing has a plumbing team to equip the perfect shower to suit your needs. We Install the Following Shower Components: Stand-alone showers Whirlpool tubs Hot tubs Stand bathtub Walk-in tubs
Every job comes with upfront pricing, licensed and background-checked technicians, and a 100% satisfaction guarantee . No surprises, no pressure, ever.
Snap a photo of the problem before you call, it helps us bring the right parts on the first visit.
See how we handle it:
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The City of Daly City addresses house water pressure in its own permit guidance. On its water heater requirements page, the city states that a pressure regulator with a strainer is required to reduce static pressure to 80 psi or less where pressure is excessive. The same page calls for an expansion tank when supply pressure exceeds the relief valve setting, or when a device such as a pressure regulator without bypass blocks relief to the supply.
Those rules sit on a water heater page, but the pressure reaches every fixture in the house. Your shower valve sees it too.
Here is how the wear happens. Static pressure is the force in your pipes when nothing is running. A cartridge and its seals hold back that force around the clock. Higher pressure pushes harder against the seals, so they wear faster and start to weep. A faulty or missing regulator can also let pressure spike, which shows up as banging pipes or a shower that surges.
Pressure is not the same everywhere in Daly City, because the city water system runs through 23 pressure zones.
That is why we test before we only replace parts. On a Daly City shower call, we put a gauge on an outside hose bib or laundry valve and read the static pressure. If it is above 80 psi, or a regulator is failing, we tell you, so the new cartridge does not wear out early.
We also serve these neighboring Peninsula towns.
We’ve earned our reputation one happy homeowner at a time.
“Thank you again for another job well done, and thank you for responding right away. I will continue to recommend Works Plumbing because they respond right away and get the job done efficiently.”
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