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ADU Plumbing & Garage Conversion Plumbing
Building an ADU, garage conversion, or backyard cottage in San Diego? Open Line Plumbing provides complete plumbing solutions for accessory dwelling units, including rough plumbing, water supply lines, drain and sewer connections, gas piping, fixture installation, and final plumbing inspections. Whether you’re working with a contractor or planning your own project, our team helps ensure your ADU plumbing system is built correctly, efficiently, and up to California code requirements.
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About Us
Trust Open Line Plumbing is for all your plumbing needs. We provide a wide range of solutions, from routine maintenance and emergency repairs to complex installations.
Our team of skilled technicians is dedicated to delivering fast, long-lasting, and reliable service for your complete satisfaction. Contact us today to schedule a free consultation!
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Experience and honesty you can rely on.
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Serving Southern California for almost a decade.
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Your satisfaction is our top priority.
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Expert Plumbing Advice
Why a Plumbing Maintenance Program Saves You Thousands
Benefits of A Tankless Water Heater in Your Home
Why You Will Benefit from a Under Sink Water Filtration System
Repiping Your Home May Be the Best Investment Yet
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Testimonials
Our Success Stories
All reviews![]()
YelpPosted on Google![]()
Marcia W15 days agoTrustindex verifies that the original source of the review is Google.
This terrific team came out quickly to assess my situation and give me an estimate. They started a day or so later, as agreed upon. All the team members we conscientious about being tidy, and the work was executed with transparency, diligence and followed on schedule. Due to a mistake on my part, some tiles were put down that we a shade off. The team was able to flex to correct the error and my bathroom was back to working order in no time. I trust the Open Line team and Im very happy to give this positive recommendation. I will call them again for all my plumbing needs.Posted on Google![]()
Barbara Burney21 days agoTrustindex verifies that the original source of the review is Google.
The crew came one time and even earlier than expected on a Tuesday evening. They quickly found the solution and solved my hot water problem. Great company!!!Posted on Google![]()
D&L Builders Inc.25 days agoTrustindex verifies that the original source of the review is Google.
As a general contractor, I’ve worked with Open Line Plumbing on several projects, and they’ve been great to work with. Their team is reliable, professional, and knowledgeable, and they understand how important communication and scheduling are when working alongside other trades. They show up when they say they will, keep the job moving, and take pride in doing the work properly. Whether it’s rough plumbing, remodel work, or troubleshooting unexpected issues, they’ve always been responsive and easy to coordinate with. I would definitely recommend Open Line Plumbing to other contractors, property owners, and homeowners looking for a dependable plumbing company.Posted on Yelp![]()
Nancy L.29 days agoVerified
Asked for a free quote to fix 2 toilets. One clogged, the other just not working period. They contacted me within an hour to set up appointment for service tech to come out. We set up an appointment, but due to an emergency on their part, we had to wait an extra day (actually the weekend since it was a Friday afternoon). After setting appointment for Monday morning, they contacted & changed it to an afternoon appointment - luckily we're retired so could arrange to be home. Tech called before coming. Confirmed he would be there in 45 minutes. He arrived on time. He very quickly assessed both toilets. One needed auguring & the other needed replacement parts. He didn't carry the parts on his truck, so he went to pick them up & came back. Eric was friendly, efficient & helpful. He took care of our problems quickly. Overall, we were pleased with Open Line & won't hesitate to call in the future.Posted on Google![]()
avi gerassi38 days agoTrustindex verifies that the original source of the review is Google.
Posted on Yelp![]()
Avi G.38 days agoVerified
Wow! This was in of the best experience I had with a contractor! Fair price , professional job , courteous. Highly recommended!+0Posted on Google![]()
Minh Le42 days agoTrustindex verifies that the original source of the review is Google.
Let me tell you, these guys were great and very knowledgeable! I had a problem with back up in my master bathroom and had several plumbing companies come by to evaluate and give me an estimate. They all took a look at sump pump and saw it wasn't run and automatically just wanted to replace it despite me telling a full backstory and how I've already had to replace it 2x in less than 7 years. Roy & Jorge came on time, really discussed with each other the possibilities of what could be wrong, and did a full evaluation and quickly fixed the simple problem that somebody had turned off the breakers for the pump. Such a simple fix that any plumber should be able to evaluate if they took just a second to think through the problem. Despite me wanting to pay them for their time, they refused payment (which I thought was very professional of them and showed me that they weren't out there to scam or price gouge anyone). Thank you again for making what seemed to be a complicated and expensive problem to be simple and a quick fix. I've had problems with so many contractors in San Diego, but I can highly recommend Open Line Plumbing as they are professional, good at what they do, and truly there to help you out.Posted on Google![]()
E B48 days agoTrustindex verifies that the original source of the review is Google.
Obed and Jorge are done excellent job to replace failed smart toilet with new one. They are knowledgeable and skilled problem solving plumbers. This job was arranged by Roy and was scheduled right on the same day. The final invoice was as quoted. 5-stars service, Thanks!Posted on Yelp![]()
E B.49 days agoVerified
Obed and Jorge are done excellent job to replace failed smart toilet with new one. They are knowledgeable and skilled problem solving plumbers. This job was arranged by Roy and was scheduled right on the same day. The final invoice was as quoted. 5-stars service, Thanks!Posted on Yelp![]()
M G.62 days agoVerified
I needed a toilet replaced quickly and Open Line Plumbing answered the call quickly and at a fair price. Roy came on Tuesday to give a free quote and fixed the toilet the next day. Overall - very happy with the work and would contact Open Line again.Posted on Yelp![]()
Philip L.70 days agoVerified
Quick to give a nice price and come install 2 toilets. Everyone pleasant to deal with. Just what I was looking for. Highly recommended.Posted on Yelp![]()
J. S.75 days agoVerified
We're absolutely giving Roy and his crew a 5 star review. We discovered we had leaks under our house just 2 months after moving in. It came as a surprise but we had to deal with it. We had a few quotes and they came recommended by a community member. And they delivered. Their work was superb. They took care to replace all the drain pipes and had to cut through one of our walls. And they patched the wall, left it as it had never been breached (they just don't paint). Their cost was on par with other quotes, even lower. And they completed all the work as promised. Roy was very professional and we are glad we picked them for this job.Posted on Yelp![]()
Julia G.75 days agoVerified
I had a very pleasant interaction with Roy. I found Open Line Plumbing and their five Yelp star reviews by asking for quotes through Yelp messaging. I needed a Moen Flo leak detector device installed and a temperature sensor because if I didn't my insurance, Safeco was terminating me. So Roy was the first bidder to show up. But I got a bid for $950 not including the device which I got through Yelp messaging from another company, just as an estimate. Roy showed me how he was going to run the path and that it was not a simple installation because there wasn't much room on the pipe and he had to make all these modifications. Well we got sidetracked because I had two Toyota RVs on my driveway. And Roy was asking me about the two RVs and then he told me he has a school bus that he modified to be an RV where he took his wife and two kids all the way across the country and through Canada. He showed me pictures of the 40 ft School bus on his phone, and the interior that he put in it Looked just like a regular RV interior Well he did a terrific job everything looked like new, his school bus, not my copper pipe. And it turned out I found later that Roy's company gave me the cheapest installation price if I provide the Moen flow they would install it for $350. Other companies who came after him we're incredulous about Roy's price and well, I couldn't say that they would say anything good about it because they couldn't beat the price. But Roy had his office give it to me in writing. I have not gotten to the point yet and I think rather than do the things that my insurance company wants me to I'm trying to find alternative ways to avoid it by changing status of my insurance. But I could see why this company has five solid Yelp Stars if I would need to install the Moen Flo, I would pick Open Line Plumbing and hope that Roy comes to my door.+1Posted on Yelp![]()
Bobby C.91 days agoVerified
Open Line Plumbing exceeded my expectations. They were fast, attentive, and offered fair, honest pricing. They responded quickly to our plumbing issue, arrived on time, and completed the work professionally and efficiently. Their communication throughout the process was excellent, and it was clear they genuinely cared about providing great service. Everything you could want in a plumber! I highly recommend Open Line Plumbing to anyone looking for reliable, high-quality service.oPosted on Yelp![]()
Marsha W.92 days agoVerified
This terrific team came out quickly to assess my situation and give me an estimate. They started a day or so later, as agreed upon. All the team members we conscientious about being tidy, and the work was executed with transparency, diligence and followed on schedule. Due to a mistake on my part, some tiles were put down that we a shade off. The team was able to flex to correct the error and my bathroom was back to working order in no time. I trust the Open Line team and Im very happy to give this positive recommendation. I will call them again for all my plumbing needs.Posted on Yelp![]()
Dan L.104 days agoVerified
Easy process. Quoted me based on the video that I submitted. Scheduled and fixed without any fuss. Thank you!Posted on Google![]()
Mark Miller108 days agoTrustindex verifies that the original source of the review is Google.
Open Line was great to work with. We had an active leak in a drain line in our bathroom that needed immediate attention on a late Sat. afternoon. The technician that came out, Roy, was responsive, timely, and caring about the problem. He fixed it at a fair price and were able to enjoy the rest of our night.Posted on Google![]()
Jarrod Wilde134 days agoTrustindex verifies that the original source of the review is Google.
Open Line was top notch! Great communication, right on time, professional, went above and beyond and didn't ask for more over estimate, cleaned up after themself. I couldn't ask for more. Thanks!!!Posted on Google![]()
Tasha145 days agoTrustindex verifies that the original source of the review is Google.
Posted on Google![]()
Mark Watkins148 days agoTrustindex verifies that the original source of the review is Google.
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