Licensed plumbers for emergencies, slab leaks, drain cleaning & water heater services serving Cupertino and surrounding communities in California.
Every plumbing service you need, delivered by licensed professionals who know the Cupertino area.
No hot water? Our licensed plumbers diagnose and repair water heater problems on the first visit whenever possible. We service all major tank and tankless brands and carry common repair parts on our service vehicles.
Professional gas leak detection using calibrated detectors and pressure testing to find leaks in gas lines, connections, appliances, and meters. We locate the leak source precisely and recommend repairs immediately.
Professional slab leak repair from detection through restoration. We use acoustic listening devices and thermal cameras to find the leak precisely, then repair or reroute the line to solve the problem permanently.
Professional tankless water heater installation including new setups and tank-to-tankless conversions. We handle sizing, venting, gas supply upgrades, and permitting for code-compliant installations throughout the country.
Water line breaks can disrupt your entire home's water supply. Our licensed plumbers repair or replace damaged main lines and service connections quickly, restoring full water pressure and flow to your property.
Boiler repair and installation for residential and commercial hydronic heating systems. We service gas, oil, and electric boilers for reliable winter heating — diagnosing pressure, circulation, and combustion issues.
Professional sump pump repair for residential and commercial properties. We diagnose electrical, mechanical, and float switch failures and return your pump to full working order with quality replacement parts.
Video sewer inspection reveals exactly what is happening inside your sewer line — no guesswork, no unnecessary excavation. Essential for pre-purchase inspections and diagnosing recurring sewer problems.
Around-the-clock emergency plumbing for burst pipes, slab leaks, sewer backups, gas leaks, and water heater failures. Our licensed emergency plumbers respond fast to stop damage and restore your plumbing.
Professional trenchless sewer line repair for cracks, offsets, and root intrusion. Pipe lining creates a new pipe within the old one, while pipe bursting pulls a new pipe through to replace the failed line completely.
Professional drain cleaning using hydro-jetting and snaking to clear slow and clogged drains throughout your home. We remove grease, hair, roots, and mineral buildup — restoring full flow and preventing backups.
Professional pipe repair for leaks, corrosion, and breaks in supply lines, drain lines, and waste pipes. Our licensed plumbers diagnose the cause and perform lasting repairs using quality materials.
Professional gas line repair performed by licensed plumbers who understand gas system safety. We find the leak, repair or replace the damaged section, and pressure test the line before restoring gas service.
Professional water heater replacement for tank, tankless, and hybrid models. We match the right unit to your household needs and install it with all required connections, expansion tanks, and safety components.
Find hidden leaks before they cause serious damage. Our leak detection specialists use thermal cameras and electronic listening devices to locate leaks behind walls, under slabs, and underground with precision.
Expert faucet repair and installation for dripping, leaking, and hard-to-turn faucets in kitchens, bathrooms, and utility areas. We repair or replace cartridges, O-rings, seats, and stems — or install new fixtures.
Whole-home and partial repiping to replace aging galvanized, polybutylene, or deteriorated pipes with modern long-lasting materials. Repiping eliminates chronic leaks, low pressure, and discolored water permanently.
Annual backflow testing and prevention device installation for residential and commercial properties. Our certified testers verify your backflow preventer and handle compliance paperwork with your water authority.
When your garbage disposal jams, leaks, or stops working, our plumbers diagnose the problem fast. We repair what makes sense and replace units that are beyond repair with quality new disposals.
Hydro jetting service using high-pressure water to scour the interior of your drain and sewer lines. Removes grease, scale, tree roots, and years of buildup that mechanical snaking cannot reach.
Professional grease trap cleaning for commercial kitchens of all sizes. Reliable schedules, full compliance paperwork, and a clean trap every time — keeping your operation running and inspection-ready.
Professional sump pump installation for new construction and pump replacements. We handle the pit setup, discharge line routing, electrical connections, and test the completed installation under load.
Professional sewer line repair that diagnoses the actual problem before recommending solutions. Camera inspection shows us exactly what is wrong so we can perform the least invasive, most cost-effective repair.
Full-service commercial plumbing for restaurants, offices, retail, multi-family, and industrial properties. We handle new construction, maintenance contracts, fixture replacement, and urgent repairs.
A running or leaking toilet wastes thousands of gallons and drives up your water bill. Our plumbers fix flappers, fill valves, wax rings, flush handles, and other toilet components — or install new toilets.
For a city the size of Cupertino (pop. 58,076), plumbing problems range from routine faucet repairs to complex slab leaks, multi-unit repiping, and commercial system failures. Magnet Plumbing has invested in the diagnostic equipment, licensed personnel, and material inventory to handle every scenario — no matter how straightforward or challenging.
Our Cupertino, CA plumbers carry thermal imaging cameras, electronic leak detectors, and video inspection equipment on service vehicles so we can diagnose problems accurately on the first visit rather than returning multiple times. Fast, accurate diagnosis means faster repairs and lower total costs for Cupertino homeowners and property managers.
We are committed to delivering exceptional plumbing services that protect your property and your peace of mind.
Our plumbers live and work in the communities they serve. They understand local water quality, regional pipe standards, and the specific plumbing challenges common to your area — giving you faster, better solutions.
No surprise invoices, no hidden fees. You receive a clear written estimate before any work begins and the final price matches what we quoted — guaranteed. We itemize every cost so you know exactly what you are paying for.
We use thermal imaging cameras, electronic moisture meters, and acoustic listening devices to find hidden leaks behind walls, under slabs, and underground — without tearing into your property unnecessarily.
Every plumbing job starts with a free, no-obligation estimate. We inspect the problem, explain our findings in plain language, and give you a clear price before starting. No pressure, no surprises.
We stand behind our work. If a repair or installation does not perform as expected within the warranty period, we come back and make it right at no cost. Your satisfaction is our ultimate measure of success.
Answers to the most frequently asked plumbing questions from Cupertino homeowners.
Your main water shutoff valve in Cupertino is typically located near the water meter, near the front foundation, or in the basement or utility room. Turn the valve clockwise to close it. If you cannot find your shutoff or it is stuck, call Magnet Plumbing immediately — our emergency crew can help locate and operate the valve to stop water damage.
Burst pipes, gas leaks, sewer backups, and flooding all require immediate emergency plumbing response in Cupertino. A burst pipe can release hundreds of gallons per hour, and gas leaks pose fire and explosion risks. Magnet Plumbing provides 24/7 emergency plumbing service throughout Cupertino and surrounding California communities.
When hiring a plumber in Cupertino, always verify their CA license and insurance. A licensed plumber must pass state examinations and carry liability coverage that protects your property. Magnet Plumbing employs licensed, background-checked plumbers throughout California — call (844) 618-0753 to schedule service or get a free estimate.
Simple repairs like faucet replacement, toilet repair, or drain clearing in Cupertino often take 1 to 2 hours. More complex jobs like slab leak repair, water line replacement, or water heater installation typically take a half to a full day. Whole-home repiping can take 2 to 4 days. Magnet Plumbing provides a clear time estimate before starting any job.
Trenchless sewer repair in Cupertino replaces damaged sewer lines using pipe lining or pipe bursting methods — without digging up your yard, driveway, or landscaping. It works for most sewer line problems including cracks, root intrusion, and offset joints. Magnet Plumbing uses camera inspection to confirm trenchless repair is the right approach for your specific line condition.
Signs of a slab leak in Cupertino homes include unexplained increases in your water bill, warm or wet spots on the floor, the sound of running water when all fixtures are off, cracks in the foundation or walls, and low water pressure. If you notice these symptoms, call a plumber for professional slab leak detection before the damage worsens.
Honest feedback from homeowners who trusted Magnet Plumbing with their plumbing projects.
"Main water line burst and we had a river in the front yard. They isolated the break, got the water back on within a few hours, and replaced the section cleanly the next day. Excellent emergency response."
"Great job! Definitely recommend to others. Quick response, professional work, and fair pricing. Would use again without hesitation."
"Needed a gas line run to a new outdoor kitchen. Magnet did the install, passed inspection first try, and communicated every step of the way. Solid, professional company."
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