For over two decades, The Tankless Guys Plumbing & Rooter has been the trusted name for homeowners and businesses across Alamitos. We started with a simple mission: to provide plumbing solutions that are not only effective but also give you lasting peace of mind.Our team isn't just a group of technicians; we're certified experts, including Navien Certified Providers, who take pride in solving complex plumbing puzzles. We understand that a plumbing issue in your home or business is more than an inconvenience—it's a disruption to your daily life. That's why we blend over 20 years of hands-on experience with the latest trenchless technology and diagnostic tools to get the job done right the fir...
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Our Services
Tankless Water Heater Services
<p>Upgrade to endless hot water and superior energy efficiency with our expert tankless water heater services in Alamitos. Whether you're considering a new installation for your home or need a repair on your existing unit, The Tankless Guys are your Navien Certified specialists.</p><p>This service is perfect for homeowners tired of running out of hot water during showers, those looking to reduce their energy bills, or anyone dealing with inconsistent water temperature from...
<p>Upgrade to endless hot water and superior energy efficiency with our expert tankless water heater services in Alamitos. Whether you're considering a new installation for your home or need a repair on your existing unit, The Tankless Guys are your Navien Certified specialists.</p><p>This service is perfect for homeowners tired of running out of hot water during showers, those looking to reduce their energy bills, or anyone dealing with inconsistent water temperature from an older, traditional tank heater. The process begins with a thorough consultation at your home. We assess your household's hot water demand, your existing gas or electrical supply, and recommend the perfectly sized unit—like Navien or EcoSmart—for your needs. Our certified technicians handle the entire installation with precision, from mounting the unit to connecting water and gas lines, ensuring proper venting, and programming the system for optimal performance.</p><p>We also specialize in maintenance and repair, including addressing hard water scale buildup that can wreck your unit's efficiency. Choosing The Tankless Guys means you get a team with specific manufacturer certifications, a deep understanding of local water conditions, and a commitment to a clean, code-compliant installation that delivers reliable, on-demand hot water for years.</p>
Trenchless Sewer Line Replacement
<p>Facing a broken or collapsed sewer line? Our trenchless sewer line replacement service in Alamitos offers a modern, less invasive solution that saves your lawn, driveway, and landscaping from being torn up.</p><p>This advanced service is designed for homeowners and businesses with damaged sewer lines causing backups, slow drains, or soggy patches in the yard. The traditional method requires digging a massive trench across your property, which is costly, time-consuming, and d...
<p>Facing a broken or collapsed sewer line? Our trenchless sewer line replacement service in Alamitos offers a modern, less invasive solution that saves your lawn, driveway, and landscaping from being torn up.</p><p>This advanced service is designed for homeowners and businesses with damaged sewer lines causing backups, slow drains, or soggy patches in the yard. The traditional method requires digging a massive trench across your property, which is costly, time-consuming, and destructive. With our trenchless technology, the process is far simpler. We start with a high-resolution sewer camera inspection to pinpoint the exact location and nature of the damage. Then, using specialized equipment, we pull a new, durable pipe through the old one, bursting the old pipe outward and replacing it with a seamless new line—all from one or two small access points.</p><p>Why choose The Tankless Guys for this critical repair? We utilize cutting-edge pipe bursting technology, have extensive experience navigating the unique soil conditions in the South Bay, and prioritize preserving your property's aesthetics. Our method is faster, often more cost-effective in the long run, and provides you with a new sewer line with a long lifespan, all without the mess of a traditional excavation.</p>
Sewer Line Inspection
<p>Don't guess what's happening underground. Our professional sewer line inspection service in Alamitos provides a clear, real-time view inside your pipes, diagnosing issues before they become expensive emergencies.</p><p>This service is essential for homeowners buying a new property, experiencing recurring drain clogs, noticing foul sewer odors, or seeing unexplained sinkholes or lush patches in the yard. It's a proactive health check for one of your home's...
<p>Don't guess what's happening underground. Our professional sewer line inspection service in Alamitos provides a clear, real-time view inside your pipes, diagnosing issues before they become expensive emergencies.</p><p>This service is essential for homeowners buying a new property, experiencing recurring drain clogs, noticing foul sewer odors, or seeing unexplained sinkholes or lush patches in the yard. It's a proactive health check for one of your home's most vital systems. Our process involves inserting a flexible, waterproof camera attached to a long cable into your main sewer line cleanout. As the camera travels through the pipes, it transmits high-definition video to our monitor, allowing us to see blockages, cracks, root intrusions, bellied pipes, or corrosion in real-time.</p><p>We provide you with a detailed video record and explanation of our findings. Choosing The Tankless Guys for your inspection means you benefit from our advanced diagnostic technology and the expertise to interpret what we see accurately. This allows us to recommend the most effective and cost-efficient solution, whether it's a simple cleaning, a spot repair, or a full replacement, saving you from unnecessary work and giving you complete peace of mind about the state of your sewer system.</p>
Emergency Plumbing & Toilet Repair
<p>When a plumbing disaster strikes, you need a reliable team that responds swiftly. Our emergency plumbing and toilet repair services in Alamitos are available to tackle leaks, clogs, and malfunctions day or night, restoring order to your home.</p><p>This service is for anyone dealing with a burst pipe, a severely overflowing toilet, a major leak under a sink, or any plumbing issue that can't wait. We understand the stress and potential water damage these situations cause...
<p>When a plumbing disaster strikes, you need a reliable team that responds swiftly. Our emergency plumbing and toilet repair services in Alamitos are available to tackle leaks, clogs, and malfunctions day or night, restoring order to your home.</p><p>This service is for anyone dealing with a burst pipe, a severely overflowing toilet, a major leak under a sink, or any plumbing issue that can't wait. We understand the stress and potential water damage these situations cause. Our process is built on rapid response. When you call, we dispatch our nearest certified technician who arrives fully equipped. They first work to contain the issue—shutting off water, stopping the leak—and then perform a thorough diagnosis to identify the root cause, whether it's a faulty valve, a broken seal, or a deep blockage.</p><p>For toilet repairs and replacements specifically, we handle everything from flapper and fill valve replacements to fixing running toilets, addressing weak flushes, and performing complete toilet installations with new, water-efficient models. The Tankless Guys are your best choice because we guarantee promptness, carry a wide inventory of parts, and our repairs are backed by a quality service guarantee. We get your bathroom back in working order quickly, cleanly, and correctly.</p>
“Amazing as usual! This is probably the 3rd time we've had The Tankless Guys at our facility and they have always done a wonderful job. They are knowledgable, professional, explain things in detail , friendly and pleasure to work with. I liked them so much for our business that I also had them replace a water heater at my personal home too, along with a water regulator, and new gas cooktop! Highly Recommend! A+++”
— Dave Cheng
“We had such a good experience! Our toilet was completely blocked by an object deep inside. The Tankless Guys scheduler responded within less than 5 minutes of first contact. Miguel and Daniel arrived punctually within 2 hours of our call. …”
— MP Peterson
“December 10, 2025:
Just had my scheduled service on my whole house sediment filter and the descaling of my tankless water heater done by Sergio. As always, he arrived as scheduled, did the maintenance work, cleaned everything up, and came in to check to make sure the hot water was back up and running. The Tankless Guys are reliable, trustworthy, and just really nice people!
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I can't say enough about what great service The Tankless Guys provide. Not only are they my go-to guys for plumbing issues, they also provide irrigation and even some landscaping assistance. I reached out to Sergio when I noticed some bunnies in my yard, and realized they were digging under the fences on both sides of my yard. Sergio came out, took a look, and determined I needed wire fencing put along the low spots along the bottom of the fence. The neighbor on one side of my house actually had them do the same thing around their yard after Miguel finished up my house. As a homeowner, it's reassuring to know I have a company I can depend on to provide fast, affordable solutions to all kinds of problems, large or small. And, as always, they provide "service with a smile!" Just the nicest group of people I've encountered.”
— Joyce Y
“How can I put into words how thankful I am for The Tankless Guys Plumbing. I would give more stars if I could.
I had 3 quotes done including theirs before I decided to go with them. …”
— A C
“Everything about this company was excellent. Everyone I dealt with was very professional. Francisco got back to me pretty much at any hour and immediately which was so helpful for the work that I needed done. Isaias Was very, very knowledgeable and did an excellent job. Extremely impressed with these guys”
— Linda Palermo
“Sergio was fantastic!! Arrived on time, completed the diagnostics, repaired the issue and left the work area neat and clean. Great job and wonderful company to work with!”
— jr lady
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For over two decades, The Tankless Guys Plumbing & Rooter has been the trusted name for homeowners and businesses across Alamitos. We started with a simple mission: to provide plumbing solutions that are not only effective but also give you lasting peace of mind.Our team isn't just a group of technicians; we're certified experts, including Navien Certified Providers, who take pride in solving complex plumbing puzzles. We understand that a plumbing issue in your home or business is more than an inconvenience—it's a disruption to your daily life. That's why we blend over 20 years of hands-on experience with the latest trenchless technology and diagnostic tools to get the job done right the first time, with minimal disruption to your property.We believe in transparent communication, upfront pricing, and building relationships that last. When you call The Tankless Guys, you're not just getting a service; you're gaining a reliable partner dedicated to protecting your property and ensuring everything flows smoothly for years to come.
