About J M Supply

J M Supply has received positive reviews for its plumbing services, particularly under the new management. Customers have praised the professionalism and expertise of the team members, such as Wyatt and Justin. They provide clear explanations of issues and carry out repairs efficiently. One reviewer highlighted a quick response to a burst water line, noting the reasonable estimate and timely completion of the job. The team also ensured that additional plumbing components were inspected and repaired as needed. Overall, J M Supply is recognized for its reliable service and commitment to customer satisfaction.

Reviews for J M Supply

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  • Apr 2026

    My grandmother’s condo had a broken valve on her patio, so we reached out to J M Supply. Jaime showed up quickly and took care of a temporary fix since we needed to wait for HOA approval. The very next morning, he came back and finished the repair without any hassle. Jaime was friendly, professional, and even took the time to share some useful tips about fixing our dishwasher plumbing. We really appreciated how fast and reliable the service was. If we ever need plumbing help again, we’ll be calling them for sure!

  • Nov 2025

    One of my kids accidentally broke the faucet in our downstairs bathroom, so I needed a plumber fast. I tried reaching out to several other plumbing companies in National City, but the soonest they could come was two weeks later. Luckily, when I called this plumbing service, they were able to schedule me for the very next day, which was great. Even better, about an hour after making the appointment, they called back and said they had an opening and could send someone over in just 30 minutes. Justin arrived right on time and kept me updated throughout the whole process. He explained exactly what was wrong with the faucet, showed me the broken parts, and also walked me through...read full review

  • Nov 2025

    I am extremely thankful for Ashton, Justin, Wyatt, and the crew at J M Supply for fitting us in on short notice. They not only fixed our plumbing problem quickly, but also took the time to explain how the pipes and drains in our house work, which was really helpful since we’re new homeowners. We’ll definitely reach out again when we’re ready for a bigger plumbing job. The whole crew was super knowledgeable, professional, and easy to trust. Plus, our dogs really enjoyed having them around!

Hours

Monday: 9AM - 5PM
Tuesday: 9AM - 5PM
Wednesday: 9AM - 5PM
Thursday: 9AM - 5PM
Friday: 9AM - 5PM
Saturday: 9AM - 5PM
Sunday: 9AM - 5PM

Location

3511 Cagle St, National City

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