We found Matt when he was the top ranked plumber on the Navien website. You can't do better than the top recommendation from the top manufacturer of tankless hot water heaters! I had already talked to a few other plumbers who also had experience with these systems, but Matt's knowledge, responsiveness and fair pricing made him our clear top choice. We had been without hot water for two days while we tried to fix our old hot water heater, so we could not have been happier that Matt was willing to do what it took to reorder his schedule and install this new Navien tankless system for us the same day. Not only was he responsive, efficient and well priced, he also turned out to be a super nice guy. We give Williamson our highest recommendation--you won't be disappointed! read more

Williamson Plumbing & Mechanical - Hot water heater - Plumbing Near Me - San Diego, California

Six months ago, Williamson repaired the plumbing system in our friend's home and received high praise for their work. So, when we returned from vacation and discovered a leak in our garage, we contacted the company right away. Dana answered the phone promptly and warmly, and soon after, Matt and the team came to our home. After coordinating with our HOA, the crew completed the repair within just two hours. Their work was high-quality and efficient. In fact, several of our neighbors stopped by to ask for their business cards after seeing the results. We were very satisfied with their timely and effective service, and we wouldn't hesitate to hire them again in the future. read more

Williamson Plumbing & Mechanical - Before fix - Plumbing Near Me - San Diego, California

See all

Matt and the guys at Williamson were everything you'd expect and hope a contractor would be. They were prompt, professional and very easy to work with. They troubleshooted our tankless water heater and made the necessary repairs quickly. They also repaired some other drain issues and installed a new kitchen faucet. Will definitely be my first call if any other plumbing issues arise. read more

Had them out for a minor leak under our sink. The technician showed up on time & did a great job fixing the problem. This is the second time we've used Williamson. They have done excellent work & have been more than fair in their billing. 100% recommend, would give them more than 5 stars if possible. They're also very nice people! read more

Matt and his team are amazing! They responded quickly to an outdoor gas line leak, fixed it efficiently, and kept us updated throughout. Great communication, reliable service, and equally helpful with drain clogs. Highly recommend! read more

We've been trusting Williamson Plumbing for over 8 years and across 2 homes, and they've never let us down. Matt and his team are consistently professional, reliable, and committed to delivering high-quality work. A couple of years ago, we had a kitchen leak in our condo, and Williamson Plumbing went above and beyond to help us navigate the insurance claim process. Thanks to them, our kitchen was repaired and back to normal in no time. More recently, we moved into a new home with several plumbing issues, including rusted-out hose bibbs and leaky faucets. Matt took care of everything efficiently and with the same exceptional attention to detail we've come to expect. If you're looking for a skilled, dependable plumber who delivers outstanding results, look no further than Williamson Plumbing. Highly recommend! read more

We had a catastrophic failure of a garbage disposal and it leaked below the sink. We called out Williamson and they were here within two hours to replace it with a premium grade disposal. The customer service was over the top! My Wife keeps raving about their bedside manner so to speak. They extracted the water and dried out the cabinets and then had us ready to rock for the party today! read more

Williamson Plumbing & Mechanical - Premium grade InSinkErator replacement. - Plumbing Near Me - San Diego, California

Plumbing hookup for refrigerator installation. Excellent service, very informative and personable technician and reasonably priced. Will use again for all plumbing needs. read more

This is the second time I've had Williamson Plumbing out to my house. They are so smart-both times they got right to the heart of the problem, and quickly fixed it. These are the very best plumbers I've ever used. Thank you to Matt, Dana and James for your terrific work! read more

Was playing with the kids on a Saturday. Noticed a leak in the garage. Slowly the leak increased. This wasn't what I wanted to deal with on a weekend. Started calling around and most were closed. Some responded, most didn't. Matt was quick to respond and professional. He talked me through potential issues. Also was very fair w/ price. There were a couple of things suggested (from other plumbers) that he said were unnecessary. It's been four months since his last visit. Not a single problem. Can't recommend him enough. read more

In this weird pandemic era, I've found contractors and all sorts of tradesmen to in general be completely unreliable. I literally went through 4 plumbers before finally finding one that didn't flake on me. Matt is amazingly reliable, even if he's as busy as every other plumber out there. I scheduled him for some non-emergency work, so I can't speak from experience about that, but he showed up on time and finished the job in the window of his estimate. He didn't not surprise me with any other charges after either... the invoice matched my quote exactly (then again, there weren't any complications). He's very thoughtful and will do the best job he can, even if that means he won't skimp by installing thin or plastic piping. Highly recommend Matt if you need a plumber. read more

Noticed a toilet leaking upstairs - not good! Called a couple plumbers who were busy, but luckily we got a reference for Williamson. They came right out and had the problem solved in minutes! Thank you! read more

Matt and team were recommended by the leak detection company. This was the second hot water pipe leak in my rental and so I had experience with previous plumber recommended by our insurance. I decided to use Matt based on the recommendation and I'm so happy I did. He explained everything, was respectful and professional and promptly completed the job. The drywall cuts were neat and minimal compared to work of previous plumber which saved me money on drywall costs and my tenants were even impressed. I subsequently used Matt to address a plumbing issue at my personal residence. Matt diagnosed the issue over the phone and took it upon himself to stop by on his way to another appointment to evaluate issue. Amazing customer service! I've used many plumbers in my real estate business and I can say without hesitation that this company is top notch and I'll continue to recommend them to my clients and for my own properties. read more

We hired them to install a water filtration system about 4 years ago. We were impressed by their experience, quality of work, timeliness, and value. We decided to hire them again to fix a leaky toilet. Will hire them for all our plumbing needs. Thank you Williamson plumbing! read more

We had a cold water slab leak. They rerouted and did a very nice job. I'm happy I was referred to this company and have found a plumber for the future. I highly recommend. read more

This place has a five star rating? I'm not really sure why there was a disconnect for me. After leaving multiple messages and not hearing a response back...I decided to move on. read more

Something as simple as routine maintenance on our water heaters and Matt, as always, was on time, courteous, and professional. Williamson Plumbing and Mechanical has replaced a branch line for us, replaced our old water heater with a tankless, fixed our malfunctioning shower and I'm sure multiple other things I can't even remember. They are the only ones we call! read more

This is a follow-up to the last review. We are not at all happy with his company. When they installed the 75 gallon gas water heater almost two months ago, they said" oh will take care of any problem." Now they're referring us to the manufacturer AO Smith because there are still bubbles in the hot water even after a month. Very unhappy and sorry we use this plumbing service! He has been contacted the manager and owner in office several times and their response has been pretty much to just contact the manufacturer. We've never had that happen with previous water heater installations. The plumber who installed should take care of it. Also the receipt they Supply do us had the wrong model number on it. They made an excuse about that also. read more

I was referred to Williamson Plumbing and Matt knows his stuff. Matt installed my Kitchen Sink, Instant Hot Water Dispenser, Drains, new Lines, Water line for ice maker, and everything else that required his services for my new kitchen. I also have a rental condo in La Jolla and he replaced a faulty ice maker valve at the refrigerator line in my rental property the same day I called. The other day my tenant called to tell me that the kitchen faucet handle broke off in his wife's hand and it looked to rusted to fix. I called Matt and he made some suggestions but then called me later that day and picked up the best faucet he could get based on my budget and then the very next morning replaced the faucet (tenant said it was so rusted on that he had to cut the old one off). Matt was also conscientious enough to let me know that the reverse osmosis filter under the sink was installed using cheap valves that could cause a leak plus he suggested we replace the original (almost 30 year old) valves with angle stops while he was under there. The rates were extremely fair, especially base on such short notice, not to mention the service from a trusted, licensed and insured contractor! While Matt was at my rental, my tenant informed me that the bath tube was not draining well and asked if Matt could take care of that during the same visit. Matt and his team fixed everything! My tenant called and sent me a text telling me that he and his wife were very happy with Matt's work. He went on to say that Matt and his team were very professional, cleaned up after themselves and said the space under the sink looked even better than before Matt arrived. read more

Williamson Plumbing & Mechanical - Matt installing my Kitchen Sink and my Dog Romeo finding a comfortable spot. - Plumbing Near Me - San Diego, California

We had a water leak underground that we were not aware of till we received a $2400 water bill! Matt and his team worked hard to get our issue fixed, even working outside in the rain all day! We are back up and running. Would highly recommend Matt Williamson, Dana and Jake! Excellent customer service as well!. Marcie read more

Williamson Plumbing and Mechanical helped us get through a water leak issue we had on July 4th weekend. They came out the following Monday to assess the damage and start the mitigation work right away. They also stayed in touch throughout the two-month restoration to make sure the work that included plumbing was done on time so that we could move back to our home as soon as possible. Jake was a pleasure to work with. Hard working, courteous and showed up on time every time we needed them with a smile and a mask. I also really enjoyed interacting with Dana, the receptionist. She's a gem! Her customer service is on point and her cheerfulness reminds me a bit of Dolly Parton which is awesome. I hope you never need them but if you do, don't think twice. Call them. read more

We had an under concrete slab leak and as you can imagine, we were stressed. It was days before Christmas and we had plans to go out of town. Matt was SO professional. He worked during the time we were out of town, Facetimed me to show me progress, and worked with us to make sure we wouldnt go into financial turmoil. He was inexpensive and even after he quoted me, came down nearly 40% on that quote once the work was done. Talk about HONEST. I will NEVER work with another plumber. You will instantly feel you can trust them. Dana was so sweet and I promise you will not regret working with them. They cut the dry way in a way to make it easy to patch, they saved it, cleaned behind themselves--it was like they were never there!! read more

Matt and Dana were awesome, friendly, efficient.... Got the problem solved quickly and treated us like family even though this was the first time I used them. They're definitely going to be on my speed dial for any future needs. Thanks Dana and Matt!! read more

Got referred from one of my friend. I made an appointment with them the day before, they came in time as scheduled, got my water heater replaced very efficiently. Everything was done nice, with reasonable price read more

Excellent service. Licensed. Charge very reasonable and most inexpensive of all the licensed plumbers I called in for the job for an estimate. We have to replace our pressure regulator and valve and they tried to down regulate pressure first and once they were able to confirm it cannot be (due to wear and tear), they recommended changing it. Very transparent, no upselling, no charge just to check your pressure (which some companies charge), very friendly and honest. Please use them for all your needs. They are prompt in scheduling appointments. Quick responses to any questions and thorough follow up. read more

Our gas line pipe to our backyard was having issues and our BBQ, Fire pit and tiki torches would not hold gas pressure and nothing would work. I called SDG& E and the pressure from the street was fine, I called a different plumber and they spent two hours doing pressure tests, blowing out the line, etc... with no fix to the issue. I called out SDG&E again and still nothing. I even called CPL Detectors and they mapped out the gas line and what they thought the issue was but they were wrong as well. Matt saved the day and resolved the issue! Five STAR service and one of the nicest people you will meet! I would have him for future plumbing items at our home! read more

We have used this service twice and will continue to refer them to friends and family for any plumbing needs. Matt and James are very professional and courteous, and they know their stuff. Matt replaced our tankless water heater (said to be a difficult job by many, especially since I would have no idea what I'm doing) and then Matt and James replaced a showerhead for us. Highly recommended. They seem to do work all over San Diego (I live in Rancho Bernardo but they mentioned they travel to Carlsbad as well). read more

Jake was very responsive, helpful, and polite. his work was excellent as well. I've already recommended this company to a few neighbors. I'll definitely be calling them again. read more

Many of our neighbors recommend Williams and plumbing and we agree. Matt is reliable, honest, professional, and knows his stuff. We really appreciate that we found him and I've called on him for several issues. Recommended! read more

Highly recommend. Matt is always available to help out, No matter the day or time. You won't be disappointed. read more

These gentleman are fantastic. took care of a toilet leak caused by the last big-name plumbing company. Fast, efficient, trustworthy. I highly recommend them. read more

I manage an older triplex building, and its had its shares of plumbing leaks. April 2019 major slab leak, flooded two bottom floor rentals. Eeeks. Called Williamson and they were out immediately and started work. Gave a clear explanation of their work to be performed, price was very competitive, the quality of work excellent. They are professionals in every way, from start to finish. Update, another slab leak differentiation location same building. Same story, fast, honest, pleasant, and excellent work. Disclosure: My husband is a general contractor, so do know a bit about what a great job looks like, procedures and costs. Do not hesitate to reach to them, small or large. We are grateful to have had the twice. read more

I had two toilets removed and two new ones installed. Due to the constraints of my bathroom size, the team successfully and professionally installed both toilets. The cleanup after the work was impeccable. From the initial office call to Dayna and the team who did the work, I was extremely impressed and pleased with the service. I definitely will use Williamson again! read more

Responsive, thorough, comprehensive in their approach to repairs and fair in pricing. And best of all, Matt and Jason and their employees are super nice genuine people. I have already referred them to friends. Have now used them for repairs, replacements, and major install in a brand new bathroom.. I would give more stars if I could. read more

Wow...what can I say, just wow! Matt, James and the whole crew, they literally saved us in very difficult situation. My family, unfortunately, experienced a slab leak that caused serious damage to our master bedroom. I was originally referred to Matt at Williamson Plumbing from Jason at CPL (leak detection) upon initial investigation and trouble shooting. From the first moment I spoke with Matt, I knew this was the guy. He spent the time to inform me of everything I was to expect, from time, repairs, cost and probably the most valuable...what to expect from my insurance agency. I can honestly say that, beyond a doubt, I would have been so much worse off without Matt and his expertise. Williamson Plumbing was beyond professional and even more important, knowledgeable and friendly. Any question I had about our situation was preemptively answered by Matt and his team. Every attention to detail was paid and we felt at ease in a tremendously unfortunate situation. Weeks later, we were back to normal with no out-of pocket expenses (sans deductible). I 100% attribute that to Matt at Williamson Plumbing. Matt and crew, I cannot thank you enough. I will refer you, without hesitation, to anyone in a similar situation. read more

Williamson Plumbing & Mechanical - During renovation. Williamson Plumbing brought in exactly what was needed to dry out our slab after a significant leak. - Plumbing Near Me - San Diego, California

See all

Best in the business, locally owned and operated. Had the drain fixed same day with professionalism and extreme attention to detail. Big job, small job or anything in between these guys are your one stop shop. Thanks again gentleman, saved my day, saved my house and probley saved my marriage! read more

I have known Matt for a couple years now. He has done some work at my warehouse he installed a commercial sink and he ran some pipe so we can clean rugs. I recently hired him to do the plumbing in my bathroom during a remodel. Since we had the walls open and we know how common slab leaks are we decided to have all the pipes rerouted from the slab to the attic. Was a lot of work but they got it done. Thanks! read more

I had slow leak in my ceiling and Jake came out to investigate. He determined quickly that it was the copper pipe that had corroded and needed to be replaced. The repair process lasted one hour. When I asked him for an estimate of the repair he told me he was not involved with billing and that the office would send me a bill for an hour's work. The invoice came several weeks later and the cost was $180. Although I thought the work was satisfactory I wish I could get an estimate of the work to be done before completion. This way, there is no sticker shock when the invoice came. I have no idea if the price was fair or not, although I am giving them the benefit of the doubt. This is the only reason why I did not give them a five star review. read more

Matt and his crew do exceptional work. They are professional and clean up after themselves. We have a home that was built in 1928 and was in major need of plumbing work and navigating a major bathroom remodel. We would highly recommend them. read more

Matt did nice work to fix my leak on hot water line under slab by rerouting via attic. Very affordable and clean work.