Trusted by South San Francisco homeowners for emergency plumbing, leak detection, and complete plumbing repairs throughout California.
Every plumbing service you need, delivered by licensed professionals who know the South San Francisco area.
Professional backflow prevention testing and device installation. Our certified plumbers service residential and commercial properties, protecting your potable water supply from contamination.
Skip the destructive dig. Our trenchless sewer repair methods rehabilitate damaged sewer lines from inside the existing pipe — preserving your landscaping and completing most jobs in a single day.
Expert slab leak detection and repair using electronic sensors and thermal imaging to pinpoint leaks under your foundation. We perform minimally invasive repairs to protect your structure and stop water waste.
Emergency sump pump repair when flooding threatens your basement or crawl space. We diagnose failed floats, clogged intakes, and seized impellers fast — getting your pump back online before water damage spreads.
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.
Professional water line repair and replacement for main supply lines and service connections. We diagnose breaks, corrosion, and leaks, then perform durable repairs or full replacements using quality materials.
Professional leak detection services that pinpoint hidden water leaks without tearing into walls or floors. We use non-invasive technology to find the source precisely, then recommend the most effective repair.
Professional commercial plumbing services for all business types. From emergency repairs that keep your doors open to scheduled maintenance that prevents downtime, we protect your business operations.
When a plumbing crisis hits, you need a licensed plumber immediately. We answer emergency calls around the clock and dispatch crews fast — stopping leaks, restoring water service, and preventing further damage.
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.
Professional toilet repair and installation. We diagnose running, leaking, rocking, and weak-flushing toilets and restore full performance with quality replacement parts. New installations handled the same way.
When your water heater reaches the end of its life, we make replacement easy. Our plumbers handle everything — disconnection, removal, installation, and final testing — so you have reliable hot water again fast.
Accurate gas leak detection before small leaks become emergencies. We test your entire gas system using professional detection equipment and pressure gauges, identify any leaks, and perform safe code-compliant repairs.
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.
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.
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.
Regular grease trap cleaning for restaurants and food service operations. We pump and scrape grease traps on schedule and handle compliance documentation for health department inspections.
Licensed gas line repair for natural gas and propane systems. We use pressure testing and calibrated gas detectors to locate leaks and perform safe, code-compliant repairs to restore your gas service.
Sewer line repair and replacement for cracked, collapsed, root-infiltrated, and offset pipes. We use camera inspection to diagnose the problem and recommend spot repairs, pipe lining, or full replacement.
Professional sewer camera inspection to diagnose blockages, root intrusion, cracks, offsets, and collapse. We show you the video so you can see the problem and make informed decisions about repairs.
When snaking is not enough, hydro jetting clears the pipe completely. Our professional jetters use pressurized water to blast away grease, scale, and root intrusion — restoring full pipe capacity for years.
Sump pump installation and replacement for basements and crawl spaces prone to flooding. We size the right pump, install primary and battery-backup units, and ensure reliable operation before every rainy season.
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.
Expert water heater repair that restores your hot water fast. From faulty thermostats and pilot light issues to anode rod replacement and sediment flushing, we fix the problem at the source for lasting results.
Reliable pipe repair throughout your home — from pinhole leaks in copper supply lines to cracked drain pipes and corroded fittings. We diagnose the root cause and fix the problem at the source.
With 64,038 residents relying on functional plumbing to protect their homes and families, South San Francisco needs plumbers who can deliver quality work at scale without losing the personal touch. Magnet Plumbing has built our reputation in the South San Francisco market by treating every job — from a dripping faucet to a whole-house repipe — with the same level of attention.
Our South San Francisco, CA plumbers know the local landscape inside and out. We understand which neighborhoods have aging plumbing systems, which areas have hard water that accelerates pipe wear, and what repair techniques work best across California climate and construction types. That local intelligence means better outcomes for our customers.
Here is what sets Magnet Plumbing apart from other plumbing companies in South San Francisco.
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.
We understand your time is valuable. For most plumbing jobs, we offer same-day or next-day scheduling so you are not left waiting days for a plumber to show up. Emergency calls are prioritized immediately.
We use professional-grade pipes, fittings, fixtures, and water heaters rated for long-term performance. Combined with skilled installation, our repairs and replacements are built to hold up for years without repeat problems.
Common questions about plumbing services in South San Francisco, CA.
Most tank water heaters last 8 to 12 years. Consider replacement when your unit is over 10 years old, produces rusty or discolored water, makes rumbling or popping noises, or requires frequent repairs. Magnet Plumbing offers free water heater assessments to help South San Francisco homeowners decide between repair and replacement.
Chemical drain cleaners can damage older pipes in South San Francisco homes, especially PVC, brass, or aging galvanized plumbing. The caustic chemicals can eat through pipe walls over time and are hazardous if they splash on skin or eyes. A professional drain cleaning by Magnet Plumbing is safer, more effective, and prevents pipe damage — costing less in the long run.
Burst pipes, gas leaks, sewer backups, and flooding all require immediate emergency plumbing response in South San Francisco. 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 South San Francisco and surrounding California communities.
Plumber rates in South San Francisco typically range from $100 to $250 per hour depending on the type of work and time of day. Common jobs like drain cleaning run $150 to $300, while slab leak repair and repiping projects cost significantly more. Magnet Plumbing provides free estimates so you know the full cost before any work begins.
To prevent frozen pipes in South San Francisco, insulate exposed pipes in unheated areas like garages, crawl spaces, and attics. Keep cabinet doors under sinks open during cold snaps. Let faucets drip slightly during freezing temperatures. If a pipe does freeze, call Magnet Plumbing immediately rather than attempting to thaw it yourself to avoid a burst.
Low water pressure in South San Francisco homes is often caused by mineral deposits clogging aerators and pipes, a partially closed shutoff valve, a failing pressure regulator, or a hidden water line leak. Corroded or deteriorated pipes in older South San Francisco properties can also restrict flow significantly. A licensed plumber can diagnose the specific cause and recommend the right fix.
Real reviews from homeowners we have served across the country.
"Saul at Magnet Plumbing has been my go-to plumber for a variety of projects, large and small. Leaks, installations, new lines, repairs, his team has done it all. Great communication, easy to work with and a total pro. Highly recommended!"
"Bought a new house and had a pre-purchase sewer camera inspection done. The plumber walked me through the footage and pointed out one section that would need attention in a few years. Honest assessment, no upsell pressure."
"Installed a new sump pump in our basement before hurricane season and I am so glad I did. The install was clean, the pump runs quietly, and they explained the battery backup option clearly. Great experience."
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