Not only was Dominic extremely professional, but he was also generous with his time and expertise. Thank you for making a stressful situation a lot less stressful. Highly recommend. read more

Fantastic experience. Was easy to schedule and Dominic came to my home in Sonoma on time to investigate evidence of moisture in one wall. After investigating for ten minutes, he determined that this was very unlikely to be a pipe leak, so not something he could address by investigating the water pipes using a camera. But he provided suggestions for the best next steps as well as companies that he had dealt with in the past that are good to work with. While he could have charged me for the visit, he did not. Dominic is one of the best service techs I have ever interacted with and I wholeheartedly recommend him! read more

I can't speak highly enough about Dominic's work ethic and dedication to quality service. We had a difficult leak to locate and he worked tirelessly until he discovered the issue. He was friendly, professional, and efficient. I highly recommend him if you need leak detection services. read more

Excellent service. Mark was great and found the leak quickly. Great guy. Call them. I so appreciated the good communication and quick service. read more

My next door neighbor had a leak that came up through her floor and did some damage. When Mark came out he not only dealt with her problem but offered to help me solve our mysterious water loss problem, for free. He was very helpful, informative, and kind. Good guy. Thanks Mark, most appreciated! read more

We were notified of a possible water leak and were able to determine it was in our main water line that is about a 100 feet long and lies below the driveway. Mark quoted me a minimum price over the phone, came out and located the leak. The cost was what he quoted me. We dug where he indicated the leak was and he was spot on! I would highly recommend this company!! read more

Mark came out to find a major leak, 8 gallons per hour. Said the leak was at two valves. $400. Referred to someone to fix the leaf. Alex replaced the valves. $449. Did not check the meter to see if leak stopped. It Had not. Eventually I found a wet spot and traced it to a very broken main line. Finally fixed by my gardener. read more

I was referred to Leak Detection Pros due to a find leak somewhere in my pool. Dominic came out ( he and his father Mark run this business with just the two of them) and went through my system thoroughly. He was able to identify two broken pipes and pinpoint exactly where the breaks were. He is truly a pro and since they only diagnose, but do not do repairs, there is no pressure to hire them to do the fixing. (unlike other companies). The prices were reasonable and the expertise priceless. I would highly recommend this company. They really pulled through for me. read more

Bought a new house and was concerned we had a leak. We got a next day appt and Dominic came out on time and was very efficient he identified 5 possible issues luckily none of which was a huge emergency leak. He was very knowledgeable and had lots of recommendations for the next steps for us. Glad to know it's a local family ran company as well. Thank you Dominic! read more

We spent over $5,000 working with a plumber on a major leak in our front yard. Just when we thought it was fixed, we found it was still leaking. Finally found Leak Detction Pros in Yelp. They found it in 5 minutes at minimal cost as it was the result of a faulty valve. Fixed. Wish I'd found them first! read more

You would think that an outfit called leak detection pros would be available to fix whatever leaks you are suffering under. Not So./ Our water bill quadrupled due to a leak. The "Pro" came over, took a look at our water meter and said whatever sort of leak we have was not the kind that they repair. Fifteen minutes followed by "that will be three hundred and eighty dollars." Their ad should specify what they wiill and will not fix. And you must sign a contract BEFORE being told what they will do. read more

Had a real problem with a ATT/Comcast conduit that had been lost during fire reconstruction. He showed up on time, with the right equipment. located the conduit 300' all the way to the end. He was professional, didn't complain, saved me thousands of dollars. read more

Dominic came out and found this intermittent leak I've been struggling to find for at least 4 years. I've been thru 3 mulligans with the local water district for high water use forgiveness. He had to escalate from the CO2 to the Helium big tank but he did find it in a place I would never have found or suspected. I dug down where he said, removed a bad buried inline valve, I didn't even know was there, capped off the pvc and the leak is gone! WHAAAAAT! Call him or his dad, these guys are pros and get the job done! read more

I called and spoke with someone who took my information and promised a call back from a technician. No call back. I called again two days later. She had my information and said I'd get a call back "soon." That was four days ago. No call back. read more

In a word, Lifesaver! When all else fails, Dominic from Leak Detection Pros is undeniably who you want. I had a pool leak that others before him could not pinpoint, he did, which saved me from cutting up the cement in different areas around the pool to try to locate where the pipe leak was. Dominic explained the situation & options, I truly felt he had my best interest in mind. What could of become a very expensive fix became reasonable. In Leak Detection Pros I trust! read more

I had the water company inform me of a potential leak causing 3x the normal water utilization. Leak detection pros had surprisingly NO ability to detect potential leak. Cursory walk around house perimeter and did not even check street meter to confirm leak is present with and without water running in the house. Made some non relevant comments and then left!!!. Craziest experience I have had. Avoid. Zero stars and a waste of my time waiting for them to show up. read more

Mark was Excellent!! He fixed my 3 week long leak on my Farm in Sebastopol in minutes. I had 5 different services out with all of them unable to find it. Mark took a big perspective of the situation and isolated the problem with some gas and problem solved! I would recommend him above all others!!! read more

Leak Detection Pros were great! I live at a 140 unit complex in San Rafael and we had a water leak. I first called our maintenance people and they contacted Mark Mengarelli at Leak Detection Pro's. Mark came out right away, found the leak and then our maintenance person was able to repair the leak. All done quickly, professionally, respectfully and with a sense of ease. A real pleasure to work with Mark and a name and company I will keep in my list of excellent service professionals. Thank you Leak Detection Pro's! read more

You get what you pay for. I was impressed at how much I learned during their visit. Alerted me to some issues I never would have noticed. Very happy customer. read more

This guy was so impressive, I had to add his business to Yelp in order to make comments! the story is this: I was getting water bills in excess of $1000 suddenly and it was determined that I had a major water leak between my meter at the street and the shut off valve at my house UNDER my very thick, beautiful and NEW concrete driveway. I had a plumber out who said "call this guy, he can locate it within inches" I was hesitant, but desperate. (the alternate solution was running a whole new water main at the expense of $5k or more) the owner, Mark Mengarelli, came out the same day that I called which was such a blessing. He filled the water lines with some kind of airborn gas and carefully spent a couple of hours listening over my driveway back and forth, up and down until he narrowed down an area about a 12" radius. this was a big risk for me, because if he was NOT accurate, i would have to continue tearing up my driveway until we found the leak. when he was done, he drilled a small hole in the driveway and place a marker flag at the expected leak location. The next day I had landscape and tile crew come out and cut a small section out of my driveway. after removing the section of concrete that was easily 6 - 8" thick, the dug down about 18 inches and found the water pipe. Miraculously, within 6" of where he placed the flag, they found the part of the pipe that had failed. This guy found a massive water leak under a concrete driveway within 6" of where he said it would be. Amazing right? I spoke to another plumber about this company and he confirmed "yeah, we don't use anyone else around here. he is miles better than others that try" Mark and his company saved us from major expenses and hardship as a result of his skill. If you have an issue like mine, this guy is really knows what he is doing and will save you money. My family thanks you Mark! read more

Outstanding service. I had a broken pipe somewhere between the house and well and they were able to pinpoint the location within half an hour. They then dug up the line and pressure tested the system to confirm there was only one leak. Dominic even explained to me what type of fitting was needed if I wanted to repair the pipe myself. When you need these people they could have you over a barrel, but they got to work quickly and were done in exactly 2 hours for $350. Very professional, friendly and knowledgeable. Great service. read more

We noticed that our pool water was going down very quickly. About 200 gallons a day. We started calling around and the soonest any leak detection company could come out was a week. Leak Detection Pros said if they have any cancellations he would call us. The next day he called letting us know he would be out that day. After a couple of hours he found the leak and called my pool company letting them know what and where he found the leak. What was so great about these guys is the pool company came out and dug where the leak was detected. They couldn't find the leak so they immediately came out and should them. Yep exactly where they said it was. What was so great is they did not charge us extra for their additional visit. Thank you!!! read more

Good company! Dominic showed up, on time and after extensive search (only a few hours) he found our pool leak. Our pool is approximately 42' by 12' and deep, I was thinking it was going to be impossible to detect without digging up all the lines, I knew the lines ran everywhere and some even next to each other. Not only did he find the leak, he pointed it just about the exact place where the leak was. I am impressed with his professionalism, his patience as he selectively and careful ran diagnostics on all the lines. Thank you Dominic, great job! read more

Dominic Mengarelli came over to our house when the Marin Municipal Water company informed us that our water use was tripled. The Marin Water Company could not find the leak but thought it would be under the road. We called Leak Detection Pros and within 2 hours they were at our location. Dominic was very experienced and detected the leak under the road. He pointed exactly where the leak was. He also helped us with a plumber who came later that day to help us further. I would highly recommend Leak Detection Pros and our experience with Dominic was great. read more

Dominic Mengarelli was amazing. I had a deep leak in my landscaping irrigation system and he located it without digging by using CO2 and a listening device. I was surprised that he could be so confident that he'd found it, but he dug right down at that spot about 2 feet to exactly where the leak was on the first try, all within an hour. I was completely impressed and satisfied. I would highly recommend them. read more

Your review helps others learn about great local businesses. Please don't review this business if you received a freebie for writing this review, or if you're connected in any way to the owner or employees.Not only did Dominique save my pool, he saved my sanity! Same day service,actually within an hour of my desperate call,but the leak was detected and fixed and I am back in business.. Its very unnerving to see your swimming pool empty out and nothing you can do. I look out my window now and bless these guys every day. Great job. Would recommend you to everyone that asks. Thanks again. read more

We had a leak that seemed to be coming from under the foundation. A well drilling company and plumber couldn't figure out the source for sure, But the plumber referred us to Leak Detection Pros. Dominic Mengarelli, from the company, came out and exhibited expertise no one else had and thoroughly tested our equipment, determining that the backwash in our iron filter attached to our well system was not completely closing and was discharging excess water into the ground. We were impressed with the care he took and his knowledgeability. Hopefully, we'll have no future leaks, but if we do we know who to call. read more

Great company. I was panicking after discovering my pool was loosing 3" day. Mark and Dominic came out same day. Tested all pipes which held tight but sealed off other suspect areas. Leak still occurred and Dominic came back after ordering new testing parts. Re-checked and again - no pipe leaks. But being persistent, he discovered a pinhole in a none pipe fitting on bottom off pool. - Viola! Patched and easily fixed. Can't say enough of Dominic's dedication to finding and resolving. Call this family business over the franchised guys. read more

Mark and Dominic were very professional and found a very difficult leak. I would recommend this service.

Professional, knowledgable,dependable, quick and polite. These guys know what they're doing when other companies have stood around scratching their heads! The best part is that these guys show up and when they get out of their van they don't look like they were just released from a prison work furlough program. Would recommend and hire them again. read more

We had an unexplained leak that drained our domestic water supply. Dominic Mengarelli was prompt, professional, identified the problem, and we are up and running. I would recommend them highly. read more