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Fixture Repair and Replacement in San Francisco, CA
Fix Worn Fixtures Or Replace What No Longer Works
A toilet seeping past a worn flapper can pass more than 200 gallons a day without making a sound, and the first evidence most owners get is the water bill. Fixtures fail quietly like that far more often than they fail dramatically, and the waste accumulates unnoticed for months before anyone investigates. Malcolm Plumbing & Mechanical repairs and replaces faucets, toilets, sinks, tub and shower valves, disposals, and angle stops throughout San Francisco, CA and nearby Peninsula cities.
Older buildings complicate fixture work, because rough-in dimensions, supply thread sizes, and valve bodies were never standardized the way they are today. We measure before ordering, protect finished surfaces, and clean up completely when the work is done. Estimates are free, our plumbers are licensed and insured, and labor carries a one-year warranty built on 35+ years of local service. Start at our contact page and tell us what is dripping, sticking, or running on its own.
Plumbing Fixtures We Repair And Replace
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Faucet Repair and Installation
Cartridges, seats, springs, and aerators account for most faucet complaints, and replacing the right part restores performance without a new fixture. When the body itself is worn through, we install the replacement and rebuild the supply connections underneath.
Toilet Repair and Replacement
Running, rocking, weak flushing, and seeping at the base each point somewhere different in the fixture. Flappers, fill valves, wax rings, closet bolts, and flanges get addressed individually, and full replacements are matched to the existing rough-in measurement exactly.
Tub and Shower Valve Service
Temperature swings, handles that spin freely, and drips that persist through a closed valve usually mean a worn cartridge or a failed balancing spool. Access is planned to keep existing tile intact wherever the wall arrangement allows for it.
Sink and Drain Assembly Replacement
Tailpieces, traps, baskets, and pop-up assemblies corrode long before the sink does. Replacing the whole assembly rather than a single failing piece prevents the predictable sequence of small leaks that follows a partial repair on old chrome fittings.
Garbage Disposal Repair and Installation
Jams, hums, leaks at the mounting flange, and worn splash guards all have straightforward fixes. Where a unit is beyond repair, replacement includes checking the drain arrangement and dishwasher connection so the new disposal is not fighting bad plumbing.
Angle Stop and Supply Line Replacement
Multi-turn stops seize with age, and braided supply lines fail without any warning, sometimes spectacularly. Swapping both during any fixture visit is inexpensive insurance and gives you a shutoff that will actually close when the next emergency arrives.
See Our Fixture Work
See how Malcolm Plumbing & Mechanical repairs and replaces faucets, toilets, sinks, and other plumbing fixtures across San Francisco, CA.
FAQ's
Is it worth repairing an old faucet or should I replace it?
Solid brass bodies from quality manufacturers are worth rebuilding, often several times over. Thin plated bodies with plastic internals rarely justify the labor. Finish condition, availability of replacement parts, and how the handles feel usually settle the question for you.
Why does my new faucet drip after only a few months?
Debris from the supply lines is the usual culprit, particularly after work on the water main. Grit lodges against the cartridge seat and holds it open microscopically. Flushing the lines and replacing the cartridge normally resolves it permanently.
What causes a toilet to rock slightly on the floor?
An uneven floor, a deteriorated flange, or missing shims under the base. Rocking eventually breaks the wax seal and lets water track under the tile, so it is worth correcting long before staining appears on the ceiling below it.
How do I know if my shower valve needs a cartridge or full replacement?
If the valve body holds pressure and the escutcheon still seals, a cartridge usually restores it. Corroded bodies, stripped seats, and obsolete valves with no available parts need replacement, which typically means opening the wall behind the fixture.
Can any toilet fit my existing rough-in?
No. Rough-in distance from the finished wall to the closet bolts is commonly 12 inches, but 10-inch and 14-inch arrangements appear in older San Francisco, CA buildings. Malcolm Plumbing & Mechanical always measures before ordering, every single time.
What makes a garbage disposal hum without turning?
Something is jamming the impeller plate inside. Cutting power and freeing the flywheel with the hex wrench underneath usually releases it. Persistent humming after that points to a seized motor or a failed start capacitor, which normally means replacement.
How long do angle stops last before they need replacing?
15 to 20 years is typical, though multi-turn stops seize much earlier in hard service. Malcolm Plumbing & Mechanical replaces them across San Francisco, CA, and 35+ years of emergency calls says a stuck stop always costs more.
Why does my bathroom sink drain slowly even after cleaning?
The pop-up assembly collects hair and soap below the visible opening, and the trap arm may have a partial obstruction further along. Removing and cleaning the whole assembly, rather than fishing from above, clears what surface cleaning always misses.
Why Choose Us for Fixture Repair and Replacement
Repair Recommended When It Makes Sense
A good faucet with a worn cartridge does not need replacing, and we will say so. Recommending the smaller job when the smaller job is right is how buildings end up calling the same plumber for 20 years.
Parts That Fit Older Rough-Ins
Pre-war bathrooms hide surprises behind every escutcheon, from obsolete thread pitches to valve bodies no longer produced. Measuring first and sourcing correctly means the fixture that arrives fits the opening rather than requiring tile work to accommodate it.
Finished Surfaces Left Undamaged
Marble, tile, and refinished cast iron scratch easily and are expensive to put right again. Protecting surfaces before tools come out costs a few minutes and prevents the kind of collateral damage that overshadows an otherwise perfectly successful repair.
One Visit for a Long List
Buildings accumulate small fixture faults over time, and calling separately for each one wastes money on trip time. Handing over the whole list at once lets us plan the parts in advance and clear everything in a single scheduled visit.
Fixtures Tested Before We Go
Every repair gets run through its full cycle: hot and cold, full flow and trickle, flush and refill, with connections checked dry afterward. Finding a weeping joint while we are standing there is far better than you finding it tomorrow.
Clear Pricing Before Work Starts
You know what the job costs before anyone opens a toolbox, including what happens to that figure if we find something unexpected behind the wall. Nobody enjoys an invoice that bears no resemblance to the conversation at the front door.
Small Fixtures, Large Difference in Daily Life
Nothing shapes the daily experience of a building quite like the fixtures people touch, and nothing gets tolerated in poor condition for longer. A shower that runs cold when the washing machine fills, a faucet that has dripped for 2 years, a toilet that needs a second flush: individually small, collectively wearing. Malcolm Plumbing & Mechanical resolves that list for homes and commercial spaces across San Francisco, CA, matching parts to older rough-ins and leaving finished surfaces exactly as we found them. Send us your list through our contact page whenever you are ready, and we will schedule a visit that covers all of it.
Why Choose Us
24/7 Emergency Plumbing
We provide 24-hour emergency plumbing services to help customers address urgent plumbing problems quickly. Our team is ready to respond when unexpected issues arise.
Comprehensive Plumbing Services
We handle a wide range of plumbing and mechanical needs, from sewer stoppages and hydro jetting to water heaters, boilers, fixtures, and general plumbing repairs. This allows us to provide convenient solutions for many different projects.
Experienced Sewer Solutions
We specialize in sewer camera inspections, pipe location, hydro jetting, stoppage removal, and sewer replacement. Our detailed approach helps us identify plumbing problems and determine the right solution.
Reliable Service & Repairs
We take pride in providing dependable workmanship and practical solutions for residential and commercial customers throughout San Francisco and surrounding areas. From water leaks and backflow systems to boilers and sewage ejectors, we are committed to getting the job done right.
Areas We Serve
San Francisco, CA
San Jose, CA
Oakland, CA
Fremont, CA
Hayward, CA
Sunnyvale, CA
Santa Clara, CA
Vallejo, CA
Concord, CA
Berkeley, CA
Richmond, CA
Antioch, CA
San Mateo, CA
Daly City, CA
San Leandro, CA
Redwood City, CA
Mountain View, CA
San Ramon, CA
Dublin, CA
Alameda, CA