Fully licensed and insured for your protection.
We're here for you 24/7, 7 days a week.
Proudly serving homes and businesses.
Over a decade of reliable plumbing expertise.
At One Shot Plumbing and Rooter, we bring over 10 years of hands-on experience to every job. Since 2015, we’ve handled everything from small faucet leaks to full sewer main line repairs, so you can trust us to get the job done right.
We specialize in service and repair, working in hundreds of homes and always treating each one with care, respect, and professionalism. Our goal is simple—deliver quality work at fair pricing and stand behind it with guaranteed satisfaction.
No job is too big or too small. When you need reliable plumbing, we’re ready to help.
We offer a full range of plumbing services, from small repairs to major jobs, delivered with fast, dependable, and high-quality workmanship.
Fast and effective drain cleaning to remove clogs and restore proper flow.
High-pressure water jetting to clear tough blockages and buildup in pipes.
Repair, replacement, and installation of all types of water heaters.
Accurate detection and repair of hidden slab leaks to protect your home.
Safe and professional gas leak detection and repair services.
Quick installation and repair of all toilet types with clean workmanship.
Expert installation and replacement for kitchen and bathroom fixtures.
Install clean water systems to improve water quality throughout your home.
Installation and repair to maintain safe and balanced water pressure.
Reliable sewer main line repair and replacement to fix major plumbing issues.
Over 10 years of hands-on plumbing experience.
Ready to help anytime, day or night.
Honest rates with no hidden fees.
We stand behind every job we do.
Quick response and efficient repairs.
We treat your home with care and cleanliness.
Contact us anytime to explain your plumbing issue and book a visit.
We inspect the problem and explain the best solution before starting.
We complete the work efficiently using quality tools and materials.
We test everything and clean up before we leave your home.
Schedule a visit and let us handle the rest with reliable, professional care.
Take a look at some of our recent plumbing work, where we’ve delivered reliable repairs, clean installations, and long-lasting solutions for our customers.
Very honest and dependable plumbers. They took the time to explain the problem clearly before starting any work and gave me a fair price with no surprises. The whole process was smooth and stress-free. Great experience overall.
Allison M (Allison)I called them for an emergency water heater problem and they arrived quickly, even late in the day. They handled everything professionally and got my hot water working again in no time. Respectful, skilled, and efficient service.
Erica TannerThey installed my new toilet and bathroom faucet, and the work was excellent. Everything was done neatly, quickly, and with great attention to detail. They also cleaned up after finishing the job. I’m very happy with the service and will use them again.
Bob McAteeExplore the key metropolitan hubs surrounding Van Nuys, ranging from nearby regional centers to globally recognized destinations. These cities—including Los Angeles and Santa Monica—offer a mix of economic opportunity, cultural attractions, coastal living, and urban experiences, all within convenient reach of Van Nuys.
Magnum Plumbing Company Inc proudly serves Oceanside, CA and surrounding communities in San Diego County. Our team provides 24-hour emergency plumbing, commercial construction, and residential services throughout the region.
We believe in honest work, fair pricing, and always doing what’s right for our customers.
Every job is completed with care, precision, and long-lasting results you can trust.
We treat every customer with respect, clear communication, and reliable support from start to finish.
We show up on time, respond quickly, and are always ready when you need us most.
Meet Aven Martin, owner of Magnum Plumbing Company Inc. With over 20 years of experience in the plumbing industry, Aven has built a reputation for quality craftsmanship, honesty, and dependable service. Based in Oceanside, California, he proudly serves the surrounding communities with a strong commitment to excellence and customer care.
Aven’s journey began with humble roots, starting as an apprentice plumber and working his way up through years of dedication, hard work, and hands-on experience. Today, he leads his own successful company, bringing the same attention to detail and high standards to every job. His clients trust him not only for his skill and expertise, but also for the integrity and reliability he brings to his work.
Family is at the center of Aven’s life. He and his wife of 12 years, MaryAnne, are raising their four young boys together. As a busy father, Aven understands the importance of a safe and well-functioning home, which is why he approaches every project with the same care and responsibility he would for his own family.
When he’s not serving customers or running his business, Aven enjoys staying active, working out, and spending time outdoors with his family. Whether he’s at the gym or out creating memories with his wife and boys, he believes in maintaining a healthy balance between hard work, faith, and family life.
Aven Martin is known for his professionalism, strong work ethic, and commitment to doing things the right way. Through Magnum Plumbing Company Inc., he continues to provide reliable plumbing solutions while building lasting relationships with the families and businesses he serves.
Available 24 hours a day, 7 days a week in Oceanside, CA
Yes, we are available 24/7 for emergency plumbing issues, including leaks, burst pipes, and water heater problems.
We aim to respond as fast as possible, often offering same-day or immediate emergency service depending on availability.
Yes, we offer clear and upfront estimates so you know the cost before any work begins.
We handle everything from drain cleaning and leak repairs to water heaters, sewer lines, and full installations.
Yes, we stand behind our work and ensure quality service with customer satisfaction as our priority.
Don’t wait for the problem to get worse. Call us now or request a quote and get fast, reliable plumbing service you can count on.
Fast and professional service. I had a serious leaking pipe and they responded quickly, diagnosed the issue, and fixed it the same day. Everything has been working perfectly since then. Very reliable team and I would definitely recommend them.
Paul Panella