CMS Plumbing
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CMS Plumbing
CMS Plumbing is a full-service plumbing company in San Jose known for providing top quality plumbing services throughout the Bay Area. From drain cleaning to water heaters to underground plumbing, customers can count on our team of licensed plumbers to get the job done right the first time.

We also accept large plumbing jobs such as sewer main replacement, copper repiping, gas line installations, and design-build plumbing for new constructions or remodels.At CMS Plumbing, our goal is to be the only plumbers you call for all your plumbing needs. Experience the difference in our service today!
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We are the affordable choice! Offering honest prices, free estimates on all services, and accepting cash, credit, or check for your convenience. Learn more about keeping your systems running smoothly during holiday entertaining and what you can do to avoid serious issues. Backed by over four decades of combined experience, our founding plumbers Cory Southerland and Jeremy Southerland are experts in all facets of the industry.
To avoid potential issues follow the simple monthly tips outlined below. If, however, you do run into a problem, our experienced plumbers in San Jose, Sacramento, and San Jose are the right team for the job. If you celebrate Easter, after preparing your favorite dishes DO NOT put your egg shells in the kitchen sink garbage disposal.
Have you completely lost trust in plumbing contractors who always seem to deliver substandard work at an exorbitant rate? Experience the difference with CMS Plumbing. At our plumbing company in San Jose, we hold our plumbers to a higher standard. We understand how frustrating it is to call on so-called professionals when you have plumbing issues, only to have them rip you off with hard sells of services or products that you don't even need.
At CMS Plumbing, we understand the importance of the water heater in your home being both efficient and reliable. The last thing you want is to wake up in the morning and learn that you have no hot water available for your shower.

Our San Jose tankless water heater service experts can install different types of water heaters with a capacity ranging from two to a hundred gallons or newer models such as a tankless water heater for continuous hot water supply.Regardless of your exact preferences and budget, we can help you find a solution that fits your needs.
If you have noticed issues with the pipes in your home or your plumbing system that have not been resolved with a visit from a plumber, you may need to consider copper repiping. Most homes built before the '70s or '80s were built using galvanized pipes, which are now outdated. At CMS Plumbing, we use high-quality copper materials to repipe homes all over Campbell, San Jose, and the Bay Area.
Reviews (10)
Dj C.
Dj C.
Oct 22, 2021
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If you are looking for bad workmanship and office attitude then book an appointment with CMS Plumbing. CMS installed 4 new shower cartridges in my home, they didn't seal back up the trim nor did they install one back correctly. We immediately notified them upon finding out it was installed incorrectly. They came out and stripped the screw. Told us we needed to get the new parts for them to correct.

Fine. I purchased the new parts to have this error on their part corrected which cost us $415 plus sales taxes. I advised them that we just received the parts and to schedule. Cory called and
Fritz B.
Fritz B.
Oct 02, 2021
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Kem the supervisor is an awesome guy and he always give good recommendation technically and cost wise.

So far their price beat other bids for me. (Trenchless sewer line replacement, tankless hot water heater and water line replacements)
Susan O.
Susan O.
May 15, 2021
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Shower and lavy drains were clogged in the Master Bathroom. We called CMS Plumbing on Sat. at 8AM and they called us back within 10 minutes with a window of 2-4pm. When they called us again around 12 noon, we thought they were going to cancel - but much to our surprise they requested if we were available at that time - and we said - of course! Jeremiah arrived less than 10 minutes later. He was very professional and was able to clear the to clogged drains before our scheduled appt. time of 2pm! We are very pleased with the responsiveness and customer service and will highly recommend Jeremiah
S. S.
S. S.
Dec 10, 2020
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We had a coupling on our water main start to leak. Cory came out soon after we called, and was able to put in a new coupling to get out water back in operation. We really appreciate how quickly we were able to get our water service back!
Cynthia E.
Cynthia E.
Nov 18, 2020
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CMS was referred by a friend who said she loved her plumber. My water pipes were making a loud knocking sound and driving me crazy. Sam came out and explored everything and between him and his boss figured out the problem and fixed it. Very nice young man and reasonable cost. Will definitely call them from now on. You should, too.
Pearl D.
Pearl D.
Nov 08, 2020
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John came out this morning (a Sunday) to clear are sewer line. I'm in Los Gatos. He was awesome: on time, friendly, knew what he was doing for sure. He cleared the line out in less than an hour. It was $192. Almost half some of the other guys. Don't know why anyone would use anyone else.
Kendal S.
Kendal S.
Aug 02, 2020
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CMS is definitely our go to company for any plumbing needs. I was referred by a friend a couple of years ago and have stuck with them since. For any plumbing issues just give them a call and they'll schedule you as soon as they're available. They will determine the best options and technician for your specific problem. Sam has come out a few times and always does a great job. This time around I had two different leaking pipes, technicians Sam and Jeremiah got the supplies and finished the work very efficiently. CMS has been nothing but professional and always gets the job done!
Brent S.
Brent S.
Jan 30, 2020
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Wow, seriously torqued at this company. Spent over $3500 with them over the past few years on various pluming things, and over $800 in the last few weeks trying to resolve a clogged main line. They guy that came out first did NOT fix it, as it immediately backed up again (see pictures below). They came out again and fixed the problem right this time, but now have charged me AGAIN!!! They insist that drain backups are not a warranty item. Ridiculous, I would think that they could do better than that, especially with a loyal customer and one incompetent employee. Needless to say, we are done
Allyson L.
Allyson L.
Nov 18, 2019
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I called CMS for an emergency plumbing leak under a rental property. They arrived in under two hours, quickly assessed the problem and made the repairs. The tenants were thrilled. I met Jeremiah at the site, he had his work area prepped and explained the situation and the fix upon my arrival. I highly recommend CMS.
Thank you Jeremiah
Henry M.
Henry M.
Apr 11, 2017
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I have used 4 different plumbing companies over the last 5 year's. I can tell you without any reservations CMS PLUMBING is hands down the best!!!
The did a complete repipe for me. The work they performed and how they laid out the new copper is just stunning. Their craftsmanship is top notch bar none.
The city inspector showed up today and could only find one small thing to correct, He wanted an insulation sleeve on one of the pipes. 2 min later it was a dune deal.
CMS PLUMBING owner and employees are very helpful and will bend over backwards to make sure you have a great experience when working