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Pacifica, San Francisco, Burlingame, CA · Serving the Bay
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Shower repair in Palo Alto, CA often starts with a question: what valve is behind this wall? Works Plumbing identifies it, finds the worn part, and repairs it through the trim opening whenever the valve allows.
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That approach keeps tile intact. It also matters in a city with many older homes, where the valve may be decades old and the tile around it may be original.
Shower giving you trouble? Request shower repair and we will diagnose it on the first visit.
Constant drip from the head or spout. A worn cartridge, washer, or seat lets water past the closed valve.
Water too hot or too cold, or swinging between them. The pressure-balancing or thermostatic part of the valve is worn or fouled.
Handle hard to turn or spinning freely. Stripped stems, worn splines, or a seized cartridge.
Weak flow at the head. A clogged showerhead, a partly closed stop, or a failing cartridge.
Water behind the wall or on the ceiling below. A leaking valve body, supply connection, or shower arm.
Diverter not switching fully. Tub spout or valve diverter wear sends water to both outlets.
The City of Palo Alto Utilities supplies Hetch Hetchy water from the San Francisco Public Utilities Commission system. Its 2025 water quality report lists hardness at 8.1 to 112 ppm, averaging 62 ppm. At those levels, showerheads collect a little white residue, but valves rarely seize from scale alone.
The bigger factor is disinfectant. The utility maintains a chloramine residual in the system, and constant contact ages the rubber seals and O-rings inside cartridges. A slow drip from a valve that is not very old is often a seal problem, not a broken valve.
Some repairs cannot be done from the front. A cracked valve body, a leaking connection behind the tile, or a valve with no available parts means the wall must open.
When that happens, we:
If you see water stains on a ceiling or wall near the shower, our leak detection service in Palo Alto can pinpoint the source before any opening is made.
Low pressure at one shower usually has a local cause, not a citywide one. We check the likely culprits in order:
Many older Palo Alto bathrooms have a tub with a shower above it. These add a diverter, which sends water to the spout or the head.
When a diverter wears, water runs from both at once and the shower feels weak. Depending on the setup, the fix is a new spout with a built-in diverter, a diverter stem in the valve, or a rebuilt three-handle valve. We identify which you have before we suggest a part.
Each of these can mean water is reaching places it should not. Small valve repairs stay small when they are caught early.
We at Works Plumbing repair bathrooms across the city. See our Palo Alto plumbing services, or browse our plumbing repair services for other fixture work.
Can you repair the original shower valve in an older Palo Alto house?
Often, yes. We identify the valve, and if parts are still made, we rebuild it from the trim side. If parts are no longer available, we explain the replacement options and price them before opening the wall.
Will you have to remove tile to fix my shower?
Usually not. Most drips, temperature problems, and stiff handles are fixed through the trim opening. Tile comes off only when the valve body or a hidden connection is the problem.
Does Palo Alto’s water cause shower scale?
Some, but not much. The City’s 2025 report lists average hardness of 62 ppm. Showerheads may show light residue, while valve wear comes mostly from seals and cartridges.
Why does my shower drip even though the valve is fairly new?
Rubber seals and O-rings inside the cartridge wear with use and with constant contact with the chloramine the City keeps in the water. Replacing the cartridge or seals usually stops it.
Do I need a permit for shower repair in Palo Alto?
Replacing a cartridge or washer is a repair. If a valve replacement or a wall opening is needed, we confirm permit requirements with the City before work starts.
My home is in a historic district. Does that change the repair?
The repair itself is the same. Our preference for working through the trim opening helps preserve original tile, and we discuss any wall work with you first.
A dripping or unpredictable shower rarely fixes itself. Schedule shower repair with Works Plumbing, and we will identify the valve and repair it with as little disruption as possible.
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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A look at real Works jobs around the Peninsula.
The National Park Service’s page on the Professorville Historic District records that the land was subdivided in 1889 for Stanford professors’ home sites, and that its houses “range from the Colonial Revival to the Craftsman,” including brown-shingle homes and Dutch Colonials on Kingsley Avenue. Professorville is one of four National Register historic districts in the city, with Ramona Street, Green Gables, and Greenmeadow. Census estimates put 13.3 percent of Palo Alto housing units in buildings from 1939 or earlier.
A house that old has usually had its bathrooms redone more than once. The shower valve behind the tile might be original, from a mid-century remodel, or from last decade. Each generation uses different cartridges, stems, and seats, and some older brands are hard to source.
That is why we identify the valve before we order anything. We remove the trim, read the valve body, and match the part to it. Where a manufacturer still supports the valve, a cartridge or rebuild kit restores it from the front. Where it does not, we explain the options, including a valve replacement, before anyone touches the tile.
In older bathrooms, the tile itself can be worth protecting. Repairing through the trim opening is our first choice for that reason.
We also serve these neighboring Peninsula towns.
We’ve earned our reputation one happy homeowner at a time.
“I had a backed up kitchen drain and David from Works Plumbing came out and cleared the line in a matter of minutes. Very professional and very knowledgeable. Definitely recommend!”
“Great professional and quick service! Shamir was friendly, efficient, and professional. He fixed the leaking problem in my sink and garbage disposal in under an hour. Highly recommend!”
“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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