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24/7 Emergency Service Available 909-346-2737
Plumbing in Ontario, CA Trusted plumbing solutions backed by responsive, local service.
  • City of Rancho
  • BBB
  • LAPD
  • Chaffery College
  • SC Gas
  • CBRE
  • SC Edison
  • Southwest
  • AA

Plumbing Services in Ontario, CA 

Comprehensive Plumbing Solutions Built on 45+ Years of Local Trust

Running a home or business in Ontario comes with plenty of daily challenges, and a plumbing failure shouldn’t be one of them. Whether you are dealing with a sudden slab leak, a stubborn drain clog, or an aging water heater, having a dependable local plumber makes all the difference. At Scott McLeod Plumbing, we have been serving Ontario and the Inland Empire since 1980, providing residential and commercial plumbing services built on technical excellence and clear, honest communication.

Here’s why people hire us:

  • A+ rating with the Better Business Bureau. A reflection of our 45+ year reputation for integrity and technical excellence.
  • Licensed, bonded, and fully insured. Our technicians adhere to the highest professional and safety standards on every job.
  • Available 24/7 for emergency needs. Rapid response for burst pipes, backups, or water loss.
  • Same-day service. We prioritize your schedule with same-day appointments whenever available.
  • Free estimates and upfront pricing. Total clarity with no hidden fees and free evaluations for your project.
  • Financing options and payment plans. We offer flexible financial solutions to help make essential upgrades more manageable.
  • One-year craftsmanship guarantee. We stand behind the quality of our work with a focus on long-term reliability.
  • Trusted by major institutions. Vetted and awarded contracts by the City of Rancho Cucamonga, Chaffey College, and the LAPD.

Need plumbing help in Ontario? Call (909) 346-2737 or contact us online and ask about our same-day service or get a free estimate. Se habla español.

Simple Tips to Protect Your Plumbing

We recommend a few simple habits to keep your system healthy, starting with regularly checking your water pressure. High pressure can strain your pipes and lead to "pinhole" leaks over time. Additionally, performing annual water heater flushes by draining a few gallons of water can prevent the mineral "crust" that often burns out heating elements in our region. Finally, it is vital to watch what goes down your drains; we strongly suggest avoiding harsh chemical "drain cleaners," which can eat away at the older pipes found in many Ontario homes. Instead, opting for professional hydro-jetting is a much safer way to clear grease and roots without compromising your plumbing's integrity.

Contact Your Ontario Plumber Today

Whether it’s a midnight emergency, a routine inspection, or a long-overdue home update, Scott McLeod Plumbing is ready to help. We provide friendly guidance and practical solutions that only 45+ years of local experience can offer.

Call (909) 346-2737 today for same-day service or a free estimate. Talk to a real person who understands your property and let’s get your system running smoothly again.

Have Additional Questions?

Read More of Our FAQs
  • Most plumbing experts recommend inspecting and flushing water heaters at least once a year. This process helps remove sediment buildup that can affect performance and energy efficiency. Over time, sediment can cause the unit to overheat or fail prematurely. Working with a commercial plumbing company in Montclair, CA ensures that both residential and commercial water heaters receive the attention they need for long-term reliability. Scott McLeod Plumbing, Inc offers professional inspections and maintenance advice so property owners can extend the life of their systems and maintain consistent hot water availability.
  • Routine maintenance helps extend the lifespan of your plumbing system and reduces the risk of unexpected breakdowns. Regular inspections can identify worn-out parts, buildup, or leaks before they cause significant issues. For businesses, scheduled maintenance with a commercial plumbing company in Fontana, CA is especially beneficial because it prevents downtime that could disrupt operations. Scott McLeod Plumbing, Inc emphasizes proactive care to keep water lines, drains, and fixtures performing efficiently year-round. Maintenance also helps preserve water pressure and reduce utility costs by keeping everything in optimal condition.
  • Any plumbing issue that threatens property damage or disrupts daily routines can often be considered an emergency. Burst pipes, sewage backups, and major leaks typically require immediate professional attention. A commercial plumbing company in Montclair, CA can assist both homeowners and business owners who face time-sensitive plumbing problems, ensuring that emergencies are handled promptly to minimize costly repairs later. Scott McLeod Plumbing, Inc encourages customers to seek help right away if water damage or safety concerns are present. Acting quickly can prevent minor issues from turning into major problems.

Smart Savings For Your Home or Business

Free Home Plumbing Inspection

Ensure your home's plumbing is in top shape. Get a free comprehensive plumbing inspection and water heater flush from our expert technicians.

Valid Jan 27, 2026 - Dec 31, 2026
Looking for a Career That Flows? Build Your Future With Us

Join our growing plumbing team and be part of a company that values teamwork, craftsmanship, and community.

5-Star Service, Proven Every Day

See why our commitment to quality earns lasting relationships.
    I could not give this more of a recommend.
    “I needed my mom’s garbage disposal fixed for the holidays. Peter and his associate came, and really did their due diligence. They examined everything, helped me look at prices, and overall were just kind and helpful.”
    Wyatt L.
    We are forever grateful for you guys!!!
    “I called 20 plumbers and seen 4 and Dustin from Scott McLeod the best plumber in the world. I cant thank him enough for how much he had helped us and eased our concerns. He went above and beyond and we are a forever customer and will always always go to him with this company. He is on time, honest and awesome at anything to do with plumbing. He knows his art and we have never seen a better man to do what he does. Also wendy the receptionist is super nice too!”
    Betty S.
    I am so happy to have found Scott McLeod Plumbing and will stay with them for all our future needs.
    “We had an issue with the plumbing in our master bathroom develop over the weekend. This had a sudden onset and very odd pattern. On Monday AM we called Scott McLeod Plumbing and to my surprise, they were able to send out a team a few hours later. Based on our description of what was happening, and his inspection of a few things, Teddy deduced immediately what the most likely problem was and explained to us the sequence of events that caused our problem. It was so logical and was communicated to us so clearly that we immediately felt complete trust in the solution he proposed. He was very obviously a complete expert. The cost proposal for all the work was very reasonable. He and his assistant spent the rest of the day solving our problems. It was such a pleasure having two such lovely people take care of our issues. I have used another top-rated local plumbing company in the past and although they did good work, I felt like their pricing was very high.”
    Happy Customer
    Teddy and his assistant were very professional and polite.
    “After completing service they made themselves available to answer other plumbing issues I had throughout the house. They spent time walking to other issues and helped troubleshoot those issues.”
    Ivan C.
    I will definitely be working with them again.
    “Elias was amazing. I had been trying to DYI this leak for 3 days and finally gave Scott McLeod a call. Very glad I did! He came over with in 35 minutes quickly diagnosed the problem and knew how to fix. 90 minutes later everything was fixed. Priced was extremely fair. In fact, if I would’ve known it would’ve been cheap. I would’ve called him straight away. He was very honest and open, and I will definitely be working with them again.”
    Michael M.
    I highly recommend them to anyone in need of trustworthy and skilled plumbers!
    “Scott McLeod Plumbing showed up in my time of need and truly saved the day. They were helpful, reassuring, and professional during a very challenging situation. I had previously worked with another plumbing company that left me uncomfortable with some questionable accounting practices, but Scott McLeod Plumbing completely restored my faith in both honest and quality service. From start to finish, everyone who worked on our project—Teddy, Peter, and Michael—was pleasant, professional, and respectful of our home, including our landscaping. They completed the job quickly, which was especially important since it was a time-sensitive repair, and their attention to detail and care were exceptional. I am so grateful for their expertise and kindness. Thank you, Scott McLeod Plumbing, for turning a stressful experience into a positive one.”
    Vera N.
    In future plumbing emergencies we know who we will to trust call!
    “What an amazing day, who can say that after a water heater breakdown? We called, and you guys didn't let us down. 20 minutes after our call, the service repair men were joyfully, professionally ready at my door. They examined, explored, determined what happened to our 3 year old Water heater, found our house regulator valve shot, corrosion was filling the diaphragm of it, preventing it from regulating our water pressure. Because our water pressure was over 100 psi, our 3-year-old water heater inner liner was torn through, and the entire tank was emptying around the lower seam. Everything was shown, explained, and once they learned that my husband is 100%disabled vet, and currently recovering from shoulder surgery. The discounted price met our ability, and 2 hours later, we have a new water heater and water regulator, and are happy that this company met our needs.”
    Pamela T.
    Thank you for a great job.
    “I called on a Saturday afternoon and they were able to come out within an hour. Peter came out and did great work. Explained everything clear and didn't try to over sale us on extra services. He was very professional and did the job quickly”
    Valerie M.
    We will be happy to work with his group again for any future plumbing projects.
    “We are very pleased with the work that Brandon did replacing our toilet. The entire process of working with him was easy and pleasant. He was prompt, informative, polite, and respectful. Their pricing was also more reasonable than the other quote we got.”
    Pat N.

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Contact Our Team Today!

At Scott McLeod Plumbing, we're always ready to take your call! Give us a call at (909) 346-2737 or fill out the form below to contact one of our team members.

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Plumbing with Purpose & Principles

Decades of real experience and honest communication ensure every job is done right Way
  • Flexible Financing Made Simple

    We offer fast, easy financing options to make needed plumbing repairs and upgrades more affordable and stress-free.

  • Quality Work You Can Trust

    Every job is backed by our one-year craftsmanship guarantee, so you can feel confident the work is done right the first time.

  • Free Plumbing Inspection Included

    Enjoy a free home plumbing inspection and water heater flush to help catch issues early and keep your system running efficiently.

  • 24/7 Emergency & Same-Day Service
    Plumbing problems do not wait. Our team is available around the clock and offers same-day service to get your home back on track fast.