1. C Williams Plumbing

    1. C Williams Plumbing

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    C Williams Plumbing

    4.8 (166 reviews)
    Open Open 24 hours

    Get pricing & availability

    Response time

    40 minutes

    Response rate

    100%

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    Before the installation

    I had my moen and sesmic gas shut off valve installed by Usam and from the moment he picked up my call to the very end he did a great job. Very professional and his prices were fair. You can tell that he cares about you and you are not just another paycheck. Very trustworthy guy, give him a chance to prove his worth.

    Discovered (and repaired) cracked exit pipe caused by old tree root.

    Usama had done 2 small plumbing issue repairs/fixes for us so when it became known that our kitchen sink was clogged he highly recommended that we replace our very (very!) old galvanized steel water pipes with copper ones. He thoroughly explained the process to us. He and his crew got it all done in one day - on a Sunday no Less! Great work - they managed to not have to dig up the sidewalk- yay! And he identified and resolved a long standing problem we had had with water exit pipe. We did have 2 minor leakages following completion , but he promptly returned and fixed them. Usama is very professional, respectful, friendly and incredibly hard-working. he has great workers too!

    Bathroom Drain pipe
    Anthony M.

    Fast and excellent service. Fixed my drainage leak and also addressed a shower cartridge issue. + points for wearing shoes covers, thanks Usama.

    Mike S.

    I had C Williams Plumbing install an earthquake gas shut-off valve, and the whole experience was great from start to finish. The quote process was super easy, they responded quickly, gave me a fair price, and scheduled the job right away. The technician showed up on time, explained everything clearly, and got the work done fast and clean. I really appreciate how professional and respectful they were. Now I have peace of mind knowing my home is protected if there's ever an earthquake. I definitely recommend them for anyone who needs plumbing work done, reliable, honest, and easy to work with!

    Meon Flo install by C Williams plumbing
    Roxy P.

    C Williams Plumbing installed my Moen Flo smart shut-off valve and did a great job. The work was quick, clean, and done right the first time. Very professional and reliable highly recommend!

    Old vs new pipes
    Kevin W.

    We requested a quote from several different plumbers to have our galvanized pipes replaced. Out of everyone we spoke with, Usama gave the clearest and most knowledgeable explanation for replacing them, and he came across as genuinely helpful rather than trying to upsell us. He was highly responsive and we have used Usama several times for other plumbing issues around our house. Would highly recommend!

    Yami C.

    Such a big help at the Sunday afternoon! Service was great, and was very speedy, highly recommended! Big thanks to Usama!

    The original pipe with holes.

    Usama was very professional and hardworking when he created a two- way sewer clean out. I highly recommend Usama and his crew. They exhibited exceptional professionalism and meticulous attention to detail throughout the project. Our home was built in 1958, and upon excavating the main sewer line, they discovered a breach caused by roots from nearby bushes. The team skillfully replaced the damaged section with new piping and proactively re-routed the line to a less precarious location, significantly reducing the risk of future issues. Communication was outstanding; I was kept consistently updated on the progress of the project. Furthermore, their pricing is fair, and they proved to be highly reliable. The entire crew was polite, professional, and demonstrated a strong work ethic.

    Close up of Usama's work inside wall

    I had a plumbing issue when my Delta shower valve broke while replacing the cartridge, which required replacing the entire valve assembly inside the wall. Usama from C Williams Plumbing handled the job efficiently and professionally. From the photos I sent, he provided an accurate quote and arrived on time. Usama and his partner were polite, respectful, and careful to protect my floors. He listened to my requests, explained each step clearly, and always offered cost-effective options before proceeding. To access the valve, he went through my other bathroom wall with older tiles, minimizing damage so only a few tiles need replacement. He replaced the old galvanized pipes with copper, completed the work in about 2 1/2 hours, and left everything clean. He was also very conscientious about containing dust--closing doors, using a vacuum, and keeping other rooms clean throughout the process. He doesn't handle tile or wall patching but gave me a good referral for that. Overall, great service -- professional, courteous, and reasonably priced. Earlier yelp reviews helped me select this company.

    Hey I have a 1935 home with galvanized plumbing pipes. Every couple of months my hot water lines would be clogged with rust and run to a drip. So i decided to replace them for copper lines. I hired C Williams plumbing. They offered me a reasonable price and delivered. I had no idea how much galvanized piping needed replacing. My water quality is far better for drinking and showering. Usama, the lead plumber made sure that every hot water valve was clear of rust before leaving. Under the house, he took photos to show the quality of the work and how it had been done. If you have an older home, i highly recommend you do this now before the costs of copper skyrockets. Definitely worth it. (Allan in Maxwell Park)

    Usama did a great job replacing the 2 failing valves in a gas-line. He was responsive, his quote was competitive. I would hire him again.

    Stopper in pedestal sink.

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    3 months ago

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    11 hours ago

    Always very responsive and helpful. I've used them 2x in the last year and they have always been nice and easy to communicate with

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    3 months ago

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    4 months ago

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    2 months ago

    Very satisfied with Umasa. very professional and very honest. Will high recommend and will reach out for future projects.

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    1 month ago

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    4 months ago

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    7 months ago

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    10 months ago

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    11 months ago

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    7 months ago

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    11 months ago

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    6 months ago

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    10 months ago

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    1 year ago

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    10 months ago

    Fast response. took the time and explained the work. Came on a Saturday and fix the backup kitchen sink.

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    2 years ago

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    11 months ago

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    2 years ago

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    7 months ago

    Great service! Professional and friendly and prompt, ready to fix at the hour of the call. 5 stars!

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    1 year ago

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    9 months ago

    Strong work. Walked me through the process. Very satisfied with the work. I would definitely work with C.Williams again!

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    2 years ago

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    2 years ago

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    5 years ago

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    Page 1 of 5

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    Review Highlights - C Williams Plumbing

    He and his partner Eric were very efficient, wore shoe covers and were generally so respectful of our space.

    Mentioned in 10 reviews

    Read more highlights

    Water Heaters Masters

    Water Heaters Masters

    (846 reviews)

    After getting a very high quote from a major plumbing chain, we decided to contact Water Heater…read moreMasters. We had an absolutely fantastic experience with Water Heater Masters. Alex sent our technician, Rojo, who helped install a new 40-gallon gas water heater in our indoor utility closet, and he was incredibly diligent, professional, and efficient from start to finish. Installing a tank in an inside closet can be tricky, but Rojo handled the entire job seamlessly in just 2 hours. He replaced everything with high-quality components, including: * New hot and cold water flex lines * A brand new water shut-off valve * A new gas flex line and sediment trap * Fully reworked earthquake straps (to meet California safety codes) * Properly updated T&P line and venting He also took care of the removal and disposal of our heavy 18 yr old tank, leaving the utility closet completely clean. If you want fair pricing, expert specialized service, and a technician who respects your time and home, call Water Heater Masters and ask for Rojo. Highly recommended!

    We were replacing a gas water heater with a hybrid electric heat pump water heater. Generally, this…read moretype of heater costs twice as much (price and installation) as a traditional electric water heater, but costs a lot less to run (and therefore you recoup the additional cost in a few years from lower operating costs). I had a very easy experience getting an on-site quote. I received 3 quotes for this job. 2 quotes, including this one, came in around $7100. I went with a third one at around $6700 (which included an additional mixing valve) and am very happy with my decision. Overall price was not a big part of my decision, but brand of water heater was. After doing some research online, the most recommended brands are AO Smith and Rheem (GE). Both higher quotes were for Navien, which has only been making heat pump water heaters for 1 year, but I was told that it is the most reliable brand. I did not understand how this claim could be made, given how short the duration of evaluation for this product. Even the worst appliances usually work for at least a year. So I requested a quote for AO Smith or Rheem, which I did not get. I'm not sure why my brand request was not honored, but it made me question whether I should go with a company that either has communication issues or maybe some type of deal with Navien that I was not informed about. Many water heater installers are preferred installers of certain brands, which means they can get better pricing, etc. I did not want to be a guinea pig for Navien.

    C Williams Plumbing - plumbing - Updated September 2026

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