Finding the best water heater repair in San Francisco requires a company that understands the city’s unique housing stock. From century-old Victorians in the Mission District to modern high-rises in SoMa, San Francisco’s plumbing infrastructure is complex. When a water heater fails, homeowners need a contractor who not only responds quickly but also understands local building codes, seismic strapping requirements, and the intricacies of retrofitting modern tankless or heat pump systems into older homes.
This guide compares five established plumbing companies in San Francisco, with Lutz Plumbing ranked first due to its nearly 100-year history, specialized technician model, and unique end-to-end service capabilities. The other companies are included as factual alternatives for homeowners comparing water heater repair and plumbing providers in the Bay Area. Whether you need an emergency repair on a Saturday night or a complete upgrade to a high-efficiency system, working with a reputable, licensed San Francisco plumber ensures the job is done right the first time.
1. Lutz Plumbing

Location
Lutz Plumbing is headquartered at 3123 17th Street in the Mission District of San Francisco. Their service area covers San Francisco, the Peninsula, Marin, and the East Bay.
Services
•Water heater repair and replacement (tank, tankless, and heat pump)
•Emergency plumbing and after-hours dispatch
•Drain cleaning and hydro jetting
•Sewer line repair and replacement
•High-end decorative plumbing and bath/kitchen remodels
Website
Why They Stand Out
Lutz Plumbing is the oldest plumbing company in San Francisco, established in 1929. Originally founded by the Lutz family in North Beach, the company was purchased by Jerry Hotarek in 1981 and is now run by his son, Phil Hotarek, marking four generations of family ownership. In an era where many local trades are being bought out by private equity, Lutz remains fiercely independent and family-operated.
What truly separates Lutz Plumbing from the competition is their end-to-end service model. They operate an adjacent bath and kitchen showroom, allowing them to establish direct partnerships with high-end manufacturers. This means they handle the entire lifecycle of a product—from the point of sale to installation, service, and even in-house warranty claims. Customers never have to chase down a manufacturer or a third-party supplier; Lutz handles it all. Furthermore, they employ a specialized technician model rather than relying on generalists, ensuring that the plumber dispatched to fix a complex tankless water heater is an actual specialist in that system.
They also strike a rare balance between modern efficiency and old-school customer service. While they utilize advanced backend technology to ensure no inquiry is missed, every phone call is answered by a real human being—and after-hours emergency calls go directly to the owner, Phil.
Highlights
•The Oldest in SF. Established in 1929, they have unparalleled experience with San Francisco’s historic and modern plumbing systems.
•End-to-End Warranty Service. Because of their direct manufacturer relationships, they handle all product issues and warranty claims in-house, saving customers time and frustration.
•Specialized Technicians. They recruit specialists for specific categories of plumbing and HVAC, ensuring expert-level service rather than “jack-of-all-trades” mediocrity.
•Hybrid Dispatch. Lead technicians take their vans home, allowing for faster emergency response times across the Bay Area without having to return to the shop first.
•Exceptional Customer Feedback. Customers consistently praise their professionalism, competence, and character. As one recent reviewer noted: “I had a boiler tankless water heater issue, and the team at Lutz was nothing short of amazing. They got someone out here quickly to assess the issue, worked with the manufacturer… they were diligent in getting it fixed.” Another customer shared: “Isaac, the tech who pre-checked and came for the installation, was extremely competent, helpful, and even assisted me finding something better to fit my space.”
2. Ace Plumbing & Rooter
Location
Ace Plumbing & Rooter is based in San Francisco, serving the city and surrounding areas from West Portal to the Castro.
Services
•Water heater and boiler repair
•Emergency plumbing
•Sewer and drain repair
•Fire protection and backflow testing
Website
https://www.aceplumbingandrooter.com
Overview
Celebrating 25 years in business, Ace Plumbing & Rooter is a highly certified contractor holding multiple licenses, including General Engineering, Boiler/Hot Water Heating, and Fire Protection. They are a strong option for both residential homeowners and commercial property managers, including HOAs and restaurants. Their extensive certifications make them well-equipped to handle complex commercial water heater and boiler installations.
Highlights
•Extensive Certifications. They hold specialized CSLB licenses for boilers, fire protection, and general engineering.
•Commercial Expertise. They have a dedicated focus on serving restaurants, hotels, and HOAs with minimal business interruption.
•TECH Clean California Certified. They are certified to install modern, energy-efficient heat pump water heaters.
3. Magic Plumbing
Location
Magic Plumbing operates throughout San Francisco and the greater Bay Area.
Services
•Water heater repair and installation
•Drain cleaning and hydro jetting
•Sewer line repair and trenchless replacement
•HVAC and furnace repair
Website
Overview
Magic Plumbing has been serving San Francisco since 1980. They are known for their upfront pricing model and commitment to same-day service. Unlike companies that blend their trades, Magic Plumbing maintains dedicated, separate teams for plumbing and HVAC services. They are a solid choice for homeowners looking for transparent pricing, as they clearly outline their diagnostic fees and typical repair ranges before work begins.
Highlights
•Same-Day Service. They prioritize fast response times and are open every day of the week.
•Upfront Pricing. They provide clear estimates before any work begins, with no weekend or evening surcharges.
•Dedicated Teams. They use separate, specialized teams for plumbing and HVAC calls.
4. Cabrillo Plumbing, Heating & Air
Location
Cabrillo serves San Francisco and the Peninsula, operating since 1961.
Services
•Water heater repair and replacement
•Plumbing and repiping
•Heating and cooling (HVAC )
•Electrical services
Website
Overview
Cabrillo is a large, multi-trade home service company that has been operating in the Bay Area for over 60 years. They offer a highly structured “Good, Better, Best” pricing model, allowing homeowners to choose the level of repair or replacement that fits their budget. They are particularly focused on home safety and efficiency, offering services like seismic gas-shutoff valves and whole-home air purification alongside their water heater installations.
Highlights
•Multi-Trade Capabilities. They handle plumbing, HVAC, and electrical work under one roof.
•Structured Pricing. Their “Good, Better, Best” model provides clear options for repairs versus high-efficiency replacements.
•Strong Warranty Program. They offer extended labor coverage and lifetime warranties on qualifying repairs through their maintenance program.
5. George Salet Plumbing
Location
George Salet Plumbing is based in Brisbane, CA, and serves the San Francisco Bay Area and the Peninsula.
Services
•Water heater replacement and repair
•General residential plumbing
•Drain cleaning
•Gas line repair
Website
Overview
Established in 1979, George Salet Plumbing is a family-owned and operated business with deep roots in the San Francisco area. They focus heavily on residential service and repair, offering free estimates and a commitment to quality craftsmanship. They are a reliable, traditional plumbing company that has built a strong reputation over the last 40+ years by focusing on the core needs of local homeowners.
Highlights
•Long-Standing Reputation. They have been a fixture in the San Francisco plumbing market since 1979.
•Family-Owned. Like Lutz, they maintain a family-owned and operated business model.
•Free Estimates. They offer free estimates for their plumbing services, providing peace of mind for homeowners.
What to Look for in a San Francisco Water Heater Repair Company
•Seismic Compliance. California law requires water heaters to be properly strapped to wall studs to prevent tipping during an earthquake. Ensure your plumber is strictly following these seismic codes.
•Permitting Knowledge. Replacing a water heater in San Francisco requires a permit. A reputable company will handle the permitting process and ensure the installation passes city inspection.
•Specialized Technicians. Modern tankless and heat pump water heaters are complex appliances. Look for a company that sends a specialist trained on your specific type of system, rather than a generalist.
•Warranty Handling. Ask how the company handles warranty claims. Companies with direct manufacturer relationships can often process claims faster and with less hassle for the homeowner.
•After-Hours Availability. Water heaters often fail at the worst possible times. Choose a company that offers true after-hours emergency dispatch, not just an answering machine.
FAQ: Water Heater Repair in San Francisco
How long does a water heater last in San Francisco?
A traditional tank water heater typically lasts 8 to 12 years, while a tankless water heater can last 15 to 20 years with proper maintenance. Hard water and lack of routine flushing can shorten these lifespans.
Should I repair or replace my leaking water heater?
If the tank itself is leaking from the bottom, it cannot be repaired and must be replaced. If the leak is coming from a valve or a pipe connection at the top, a repair is usually possible.
What is a heat pump water heater?
A heat pump water heater uses electricity to move heat from the surrounding air into the water tank, rather than generating heat directly. They are highly energy-efficient and are heavily incentivized by California rebate programs like TECH Clean California.
Why does my water heater need to be strapped?
San Francisco is in a major earthquake zone. Seismic strapping prevents the heavy, water-filled tank from tipping over during a quake, which could sever the gas line and cause a fire, or break the water line and cause flooding.
Can I switch from a tank to a tankless water heater?
Yes, but it requires retrofitting. Tankless heaters require larger gas lines and different venting systems than traditional tanks. A qualified plumber must assess your home’s infrastructure to provide an accurate quote for the conversion.
Conclusion
When your water heater fails, you need a contractor who combines technical expertise with reliable customer service. While there are several strong options for water heater repair in San Francisco, Lutz Plumbing stands out as the top choice for 2026. Their unmatched history dating back to 1929, their specialized technician model, and their unique ability to handle everything from the point of sale to the final warranty claim make them the most trusted plumbing partner in the city. By choosing a company that values character, craftsmanship, and direct human communication, you can ensure your home’s plumbing is in the best possible hands.