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Knights Plumbing and Drain

4.6 (165 reviews)
Open • 7:30 am - 6:00 pm

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5 months ago

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5 months ago

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1 year ago

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7 months ago

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1 year ago

Quick response. Service same day. Average pricing. We will most definitely use Knights again.

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2 years ago

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2 years ago

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1 year ago

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1 year ago

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3 years ago

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4 years ago

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Thank you Tim!

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4 years ago

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Les H.

Thank you Andre!

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4 years ago

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5 years ago

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Les H.

Thank you Tony!

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3 years ago

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3 years ago

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5 years ago

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Les H.

Thank you Autumn for the review and the rating!

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4 years ago

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2 years ago

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3 years ago

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3 years ago

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4 years ago

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4 years ago

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Page 1 of 5

Ask the Community - Knights Plumbing and Drain

Yelp doesn't show a license and I didn't see one on their website. Seems they've been around for a long time. Are they licensed?

Yes

Don’t See Your Question? Ask Away!

Review Highlights - Knights Plumbing and Drain

“We had an issue with the inlet valve to the refrigerator and Victor was extremely professional and took care of it quickly.”

Mentioned in 21 reviews

Read more highlights

Diablo Hydro Jetting - Root Removal

Diablo Hydro Jetting

(12 reviews)

My kitchen sink was clogged for about 1 week since having a 75ft snake through a promotional…read moreplumbing service (not disclosing what company lol) did not work (it had stopped maybe 50ft in and while being retracted, lots of black sludge flew out). During that time, I had broken some copper fitting pipe parts underneath the sink so I did not put them back together to make sure it worked. Luckily, things happened for a reason so I bought new hard plastic pipes to replace everything but water was still slowly flowing out of my dual kitchen sink. I remembered the person who did the snake mentioned it might be time to get a new mainline pipe which meant breaking the walls and slab since I don't have a crawl space equating to 15-20K or an epoxy pipe lining to make it good as new again for 8K; I have no money for any of that so I googled "best ways to unclog a kitchen sink if 75ft snake fails" and was recommended hydro-jetting from AI. I then searched hydro-jetting Livermore and was recommended Diablo Hydro-Jetting immediately on my mobile phone where I was able to view both their website and Yelp reviews before calling 925-277-0200 on a Sunday evening. Fortunately, Jeff answered my call even while eating dinner who reassured me that he was 100% sure that my kitchen sink can be unclogged since they can blast it up to 500ft and if there were to be any complications that the competitive pricing comes with the drain inspection camera as needed. I truly appreciate Jeff's Team; Jose and Alex for taking on this difficult task. Jose was hydro-jetting my kitchen sink while communicating with Alex who was controlling the unit by the van. Initially, Jose and I feared that the black sludge would appear since pushing water with water and it was in fact what had happened where it was caught in a big metal container underneath the kitchen sink. Jose immediate told Alex to turn off the unit and requested to get the portable compact hydro-jet vac to clean out the container before resetting then restarting a 2nd time from the top with the vac on to catch everything as it goes. Then with some luck, we were able to hear the water flowing after it was unclogged, the sound of success! Jose then proceeded to check my cleanout area which was located outside of my house, opened it and made sure that the same sound we heard in the kitchen was heard there as well. And to ensure that my kitchen pipes were clean, Jose went ahead and did the hydro-jetting a couple more times just in case and even had Alex bring cleaning solutions to help wipe away some black sludge that flew to the side of the cabinet wall. The whole process took about 1hr and the invoice has a limited 90day service warranty guaranteeing against future clogs from reoccurring. This was the best investment I made highly recommended and I am very grateful for Jeff, Jose and Alex; they never upsold me anything and they truly are professionals in the field strictly hydro-jetting and nothing else, established in 1994 with over 32yrs of experience! Thank you once again Jeff from Gordon, my kitchen sink is flowing like Jeff Gordon the NASCAR champ!

Needed two drains cleared at my office building, called Jeff, Francisco came out the next week, did…read morea great and efficient job, at a reasonable price. A pleasure to deal with Diablo Hydro Jetting, you cannot go wrong. Highly recommend.

Mr. Ed's Plumbing & Rooter Service - new disposal

Mr. Ed's Plumbing & Rooter Service

(84 reviews)

We had a persistent front‑yard water leak at a home we're preparing to sell, and after two plumbing…read morecompanies (and 3 contractors) failed to identify the source, Mr. Ed's Plumbing was finally able to diagnose and resolve it. Unlike the previous contractors--one assigned by SLWA and another highly rated local company--Mr. Ed's team took the time to thoroughly investigate rather than guessing or rushing through the job. (Please note, Mr. Ed's was also assigned by SLWA after a continued issue) Adrian from Mr. Ed's was professional, patient, and methodical. Even when their sonar equipment couldn't pinpoint the tiny leak, he recommended a careful exploratory dig instead of making assumptions. During the exploratory dig, both Adrian and Ed (business owner) personally inspected every possible source, including indoor lines and the garage slab, and ultimately identified a combination of a very small leak, a branching pipe, and a faulty valve. I want to highlight that Ed and Adrian are exceptionally knowledgeable, and their extensive experience in the industry is evident. They were able to provide solutions and recommendations that other companies could not. Throughout the process, the office staff was respectful and helpful, especially as we navigated SLWA delays. When it came time for repairs--ultimately out‑of‑pocket--we chose to proceed with Mr. Ed's because of their thoroughness and integrity. Ed and his team completed the work efficiently, cleaned up the site beautifully, and even fixed our sewer cover. The leak is fully resolved, and the sprinkler and main line are now properly isolated. After this experience, we will absolutely be calling and recommending Mr. Ed's Plumbing for any future plumbing needs.

This has been, by far, the best experience w/a plumber I have had while owning my old house in…read moreStockton. I discovered that my garbage disposal was leaking & went searching for a repair person this morning. Within just a few hours, Adrian had arrived, diagnosed the problem (it was potentially dangerous b/c the leak was near electrical wires) & replaced my disposal. The new disposal is an upgrade from the old one. Adrian was very cordial & highly skilled ~ a true professional. Mr. Ed's will now be my go-to for plumbing needs.

EGC Family Plumbing - Clog drain line with sludge.

EGC Family Plumbing

(6 reviews)

I am very pleased with the work completed at my home which included toilet and kitchen faucet…read morereplacement, clearing vents from the rooftop down, then the outside lines and even into the septic tank and leach line. It was 35 years since the house was built and time for the tune-up. They did an excellent job of cleaning up. I also like that they are a Union signatory company with well trained and experienced people who explain what is and isn't needed and why. The price was reasonable and I even included a tip for the excellent service and communication.

Edgar's company was recommended to us by family, and I'm so grateful it was. We had a septic tank…read moreemergency on a Sunday afternoon & luckily, we were able to find a company to pump it right away, but the pipes were still clogged and things were backing up. I called Edgar after 5pm that same day, and he answered. He even tried reaching out to his guys to see if someone could come out that night. Although that wasn't possible (which was completely understandable given the timing), he made it a priority to come out the very next day with one of his employees. We live in an older home with less than ideal plumbing, and Edgar quickly identified the issues. He offered helpful suggestions on what could be improved, but never once tried to push additional work. We truly appreciated his honesty and approach. He simply wanted to make us aware of what he noticed. We also asked him about a few other plumbing concerns, and he was more than willing to share his knowledge and guidance. Edgar is not only kind and professional, but also very knowledgeable and skilled at what he does. Highly recommend!

Knights Plumbing and Drain - plumbing - Updated October 2026

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