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24/7 Emergency Service Available 909-346-2737
Quality You Can Rely On — Every Time Expert Service. Honest Solutions. Guaranteed Results.
For over 45 years, our reputation has been built on quality and accountability. Our one-year workmanship guarantee ensures your plumbing issues stay fixed long after the job is done.

Ontario Commercial Plumbing

Running a business in Ontario involves a lot of moving parts, and a plumbing failure shouldn't be the thing that halts your momentum. Whether you are managing a high-volume distribution center near the airport or a retail space in a busy commercial corridor, plumbing issues can quickly translate into lost revenue and liability concerns. At Scott McLeod Plumbing, we’ve been the trusted partner for commercial properties across Ontario and the Inland Empire since 1980. We understand that commercial systems require more than just a "fix", they require technical scale, fast response, and total compliance with local building codes.

Our licensed, bonded, and fully insured team is available 24/7 for priority emergencies. We bring over four decades of experience to every facility, offering free professional inspections and upfront estimates backed by a one-year craftsmanship guarantee.

Need a priority facility evaluation? Call (909) 346-2737 today for same-day service or a free commercial inspection. Se habla español.

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 highly recommend Scott McLeod Plumbing.
    “Heads-up Rancho Cuc residents! I was a first-time customer of Scott McLeod Plumbing this week, and had the good fortune of being assigned to Joseph Alarcon. What a blessing he is....very professional, kind, efficient, and knows what he is doing. He even cleaned up the work area after completion! I was extremely satisfied with the services.”
    Judy M.
    I highly recommend them.
    “Dylan and Michael, two plumbers of McLeod plumbing came to my house and redid the plumbing in my shower bathtub. They were polite. They were efficient. They were very very tidy and I enjoyed meeting them both and I was extremely pleased with their work.”
    Jean D.
    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.
    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.
    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
    I appreciate the service and would recommend to anyone.
    “Contacted Scott McLeod after my Insurance sent out some bozos who quoted me $6000 to include jackhammering my floor and my shower. Scott McLeod plumbers came out, found the problem which was minimal and required no jackhammering. They were clean and professional, and I would use them again in a heartbeat Thank you for an honest job well done. I appreciate the service and would recommend to anyone. Very friendly from the time of a phone call till the service was completed. Definitely will use again. Eli was awesome.”
    Marlene S.
    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 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.
Scott McLeod Plumbing Scott McLeod Plumbing

How Local Conditions in Ontario Affect Plumbing Systems

Ontario’s geography and commercial history create a unique set of challenges for plumbing systems. Many long-standing industrial properties still rely on aging infrastructure that was not designed for today's high-capacity water usage. Conversely, newer logistics centers are often situated on ground that undergoes significant stress from heavy surface traffic and soil movement.

Local water conditions also play a critical role. The hard water common throughout Ontario leads to aggressive mineral buildup inside commercial boilers, valves, and fixtures. This "scale" acts like a slow-moving clog, reducing efficiency and eventually causing system failure. Because we’ve worked in Ontario for over 45 years, we’ve seen these patterns firsthand. We design our maintenance plans to combat these specific local factors, ensuring your system remains efficient and compliant for the long haul.

Why Staying Ahead Matters for Your Bottom Line

In a commercial environment, a small leak or an inconsistent water heater isn't just a nuisance; it’s a warning shot. Proactive maintenance allows Ontario businesses to address minor wear and tear before it results in an emergency shutdown or expensive water damage. Routine inspections make it easier to plan repairs around your operational schedule, rather than reacting to a crisis during your busiest hours. It is a practical, business-minded approach that supports long-term reliability and controls your operating costs.

Schedule your commercial service today and don’t let plumbing issues slow down your business. Call (909) 346-2737 now to schedule priority service or a free facility inspection. Our team provides dependable, high-capacity commercial services across Ontario and the Inland Empire. 

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Our FAQs walk you through our process, services, and what makes working with our team stress-free.

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

Your Local Plumbing Experts Across Southern California

Delivering dependable residential and commercial plumbing throughout the Inland Empire and surrounding areas.
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