Works Plumbing handles shower repair in Burlingame, CA when a showerhead drips, the spray turns weak, or the temperature jumps without warning. We repair the valve, trim, and drain, and we trace leaks you cannot see behind the wall.
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A drip after shutoff is nearly always the valve cartridge or seals.
Weak spray at one shower usually starts at the showerhead or the cartridge.
Water stains on a ceiling below a shower can mean a pan, drain, or valve leak.
Burlingame water ranges from soft to moderately hard, so mineral buildup varies by home.
Where Showers Fail
Break the shower into four parts. Each one has its own set of symptoms.
The showerhead
Uneven or needle-thin spray
Nozzles crusted with white film
Leaks at the shower arm threads
The valve and cartridge
Dripping after the handle is off
Water too hot or too cold, or swinging between the two
A handle that sticks, grinds, or spins freely
The tub spout and diverter
Water still pours from the spout when the shower is on
The diverter knob will not stay up
The drain and pan
Water drains slowly or pools
Loose tile, cracked grout, or a musty smell
Stains or soft drywall on the ceiling below
Our Shower Repair in Burlingame, CA, Step by Step
We follow the same order on every shower, so the cause is found before parts are bought.
Inspect and test
We run the shower hot and cold, check flow at the head and spout, and look at the trim for loose fittings. If there is a stain below, we note where it sits relative to the drain and valve.
Open the valve
We shut off the water, pull the handle and trim, and inspect the cartridge, seals, and stops. Scale and worn rubber show up here.
Repair or rebuild
Most valves take a replacement cartridge or seal kit. If the valve body is damaged or parts are no longer made, we explain your replacement options and price before any wall work.
Check for hidden leaks
When the stain below does not match a visible drip, we look further. Our leak detection service in Burlingame finds water behind tile without tearing out the whole wall.
We at Works Plumbing test the finished repair through several full hot and cold cycles before we pack up.
Tub Spout and Diverter Repair
On a tub and shower combination, the diverter sends water up to the showerhead. When it wears, water keeps pouring from the spout while the shower runs.
Some diverters sit in the spout itself and are fixed by replacing the spout. Others are part of the valve, and we replace the diverter stem or cartridge.
A leaking spout can also mean a loose connection behind the wall. We check that the spout fits tight to its pipe so water does not run back into the wall.
Shower Drain Problems
A slow shower drain is usually hair and soap at the strainer or in the trap. We clear it and check the drain flange for leaks.
Water on the ceiling below that appears only when the shower runs, not when the valve is off, often points to the drain or the pan. We test each one separately:
Drain test: water poured into the drain only, with the walls kept dry
Pan test: the drain plugged and the floor flooded for a set time
Wall test: water sprayed on the walls with the drain open
The test that produces the leak tells us what to repair.
When the Valve Needs Replacing
Some valves cannot be rebuilt. The body may be cracked, the brand may be gone, or the parts may no longer be made.
In that case we replace the valve inside the wall. We open the smallest access we can, often from the back side of the wall when a closet or hallway allows it.
You choose the new trim, and we confirm the valve and trim are compatible before ordering. The price for the valve, access, and patching is set before work starts.
Low Shower Pressure in Burlingame
Low shower pressure in Burlingame has a few common causes, and one quick test separates them.
Turn on the bathroom sink. If it runs strong and only the shower is weak, the problem is in that shower’s head or valve. If every fixture is weak, the cause sits upstream in the supply piping or a pressure regulator if the home has one.
Weak hot water alone points somewhere else. If the shower runs cold fast or never gets hot, the water heater may be the issue. See our water heater repair in Burlingame page for what we check there.
When Shower Leaks Become Urgent
Some shower problems can wait for a scheduled visit. Others cause damage every day.
Call us quickly if you see:
A ceiling stain that grows after each shower
Soft or bulging drywall next to the shower
A valve that will not shut off
Water coming from the wall around the trim
If the valve will not shut off, close the home’s main water shutoff until we arrive.
Why Call Works Plumbing for a Shower
Works Plumbing is a family owned plumbing company working the San Mateo County Peninsula since 2009.
Is Burlingame water hard enough to clog a showerhead?
It can be. The 2025 Water Quality Report lists hardness from 8.1 to 112 mg/L, which spans soft and moderately hard. Heated water forms scale, so nozzles and cartridges can build up over time.
Why does my Burlingame shower drip after I turn it off?
A drip after shutoff usually means a worn cartridge or seal inside the valve. Scale from hot water can speed up that wear. We replace the cartridge and clean the valve body so it seals again.
Do I need a water softener for my shower in Burlingame?
Most homes do not need one for the shower alone. Burlingame’s average hardness of 62 mg/L sits at the line between soft and moderately hard. Cleaning the showerhead and maintaining the valve usually keeps scale in check.
Where does Burlingame’s water come from?
Burlingame buys all of its water from the San Francisco Public Utilities Commission. The main source is Yosemite snowmelt stored in Hetch Hetchy Reservoir.
Can you fix a shower that leaks into the ceiling below in my Burlingame home?
Yes. We find whether the water comes from the valve, the drain, or the pan before we recommend opening anything. You get the price for the repair and any access work up front.
Do I need a city permit for shower repair in Burlingame?
Replacing a cartridge, showerhead, or trim is a repair. Replacing a valve inside the wall or rebuilding a shower pan can involve a plumbing permit, and we confirm that with you before we price the job.
Installation and Repair your Indoor/Outdoor Shower
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
What’s included
Drain cleaning & rooter service
Water heater repair & install
Leak detection
Gas line service
Emergency plumbing
Repiping & trenchless
How the job goes
We diagnose the issue and show you a flat price upfront.
You approve it, then our tech gets to work from a fully-stocked truck.
We test the fix twice and leave your space cleaner than we found it.
Our crew on a recent job across the Peninsula.
Why homeowners choose Works
Every job comes with upfront pricing, licensed and background-checked technicians, and a 100% satisfaction guarantee . No surprises, no pressure, ever.
Pro tip
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:
Prefer to listen? Catch this topic on our homeowner podcast:
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Burlingame’s water is not equally hard all the time, and that shows up on showerheads and valves.
The City of Burlingame 2025 Water Quality Report lists hardness as calcium carbonate at an average of 62 mg/L. The reported range runs from 8.1 to 112 mg/L. Calcium averaged 16 mg/L.
The U.S. Geological Survey classifies 0 to 60 mg/L as soft and 61 to 120 mg/L as moderately hard. Burlingame’s average sits right at that line, and its reported range covers both categories.
Here is the mechanism. Showers run hot water through small openings. USGS notes that heating hard water forms calcium carbonate scale. On a shower, that scale collects:
In showerhead nozzles, where spray narrows or goes crooked.
On cartridge surfaces, where it stiffens the handle and wears seals.
In the mixing parts that balance hot and cold.
Hardness is only one factor. How often the shower runs, how hot it is set, and the fixture’s design matter as well. That is why two showers in Burlingame can age so differently.
On a call, we check for scale before we condemn a part. A crusted showerhead may only need cleaning. A cartridge with scale and torn seals gets replaced, and we clean the valve body so the new one seats properly.
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.”
DK
David K.
San Mateo Google Review
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