Get matched with top tankless water heater installers in Oakdale, CA

"I recently had a tankless water heater installed, and I’m very happy with the service. The plumber was professional, knowledgeable, and took the time to explain the entire installation process. The work was done cleanly and efficiently, and everything was tested carefully before completion. Now we have endless hot water, and the system works perfectly. I really appreciate the attention to detail and quality of work. I would definitely recommend this plumber to anyone looking for a reliable and honest professional for tankless water heater installation."

"He unblocked the T inlet inside my septic tank. Correctly diagnosed and fixed on a Sunday! Another company was here all day Thursday and Saturday after mis diagnosed the condition. Had septic drained and still had issues."

"TOP TIER PLUMBING installed a tankless water heater, so glad I decided to go with the tankless. Tayler did an excellent job, very professional And the price was right. Thank you Top Tier for your top notch services. I will definitely be using them for my plumbing services and recommend them to anyone who has plumbing needs."

"Carmelo did an excellent job on installing a gas fitting for my new dryer. He installed the fittings and got my dryer hooked up. He went above and beyond and also helped me light my pilot light on my water heater! He explained what he would do, performed the work and cleaned up after himself! Great job Carmelo!"

Welcome to Tier 1 Maintenance, proudly servicing Oakdale and the surrounding areas. Our goal is to complete your project to perfection. We look forward to building long lasting relationships with the customers that we serve. We look forward to serving you. Call us today! You will not be disappointed.

"I highly recommend Frank Cervantes, from "At Your Service Plumbing." He is more reasonably priced than other plumbers, I have used in the past. Frank performs his work to satisfaction of everything functioning properly. 2/27/26, Frank lowered and secured a pipe from my black water tank, as water and waste were not flowing properly. He unclogged my toilet, that had been backing up. 3/04/26, Frank returned, as Toilet was backed up with water again. Frank checked the pipe with his computer camera, in which there ended up being (3) major blockages, from the pipe up into the black water tank. Frank, used every piece of his equipment to completely clean out the tank and pipe. I was able to view the completion of process on his computer. Frank, is very professional, and personable. I give him an A+ rating."

"He replaced the main water line in my front yard and went underneath my driveway. Everything was very clean and nice. And he was very helpful and respectful."

"They did a number of things. Braced and restrapped water heater and ran copper line for pressure relief to outside. Unclogged master toilet and reseated. Bolted down second toilet. Reconnected clothes dryer vent. Repaired air gap/garbage disposal and drain line under kitchen sink, crawled under house and remove galvanized pipe straps and replaced with nylon pipe clamps. I was a contractor and used to do this work, o an very critical. They did an outstanding job. Went the extra mile several times. I was expecting a bill for a higher amount but they stuck with their estimate. I recommend them highly and would use them again!!"

"Samuel is an expert in tankless water heater installations, I appreciate the willingness and availability as well as the expertise that makes using him as a subcontractor well worth it. Will be using DeMars-Conoly plumbing in the future to cover my schedule when I can’t get to customers that are in need."

With several years of experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.\n\n