How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%90+49.1Reliability 24%90+21.8Value 14%100+14.1Replies to reviews 7%73+5.2Craft & service penalty90−1Experts Score= 89Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.89SCOREJB Plumbing
Duarte, CA · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #8Position by Experts Score among all companies we track in this category. of 10 repiping services · 4.9★ from 469 Google reviews
Report card
Percentile vs other repiping services (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: value and momentum; weakest: replies to reviews.
Reviews for your job
Customers hired JB Plumbing for 8 kinds of job.
JB Plumbing for plumbing leak repair
Clear ✕All 33 Google reviews tagged “Plumbing leak repair”
Repair pinhole leak in the wall on a Saturday. My tenants were happy Thanks
Great bunch of guys. Clean, pleasant and professional. Young Phillip took charge and lead his crew excellently. Made sure I was happy with everything. Johnny came originally and explained everything they would do and they did everything as explained and more. Highly recommend using them
Cory was great with JB Plumbing. He responded quickly. He kept me informed of the work required & the price quoted was reasonable
Johnny is an exceptional plumber with a lot of experience. He was able to find the issue when 2 other plumbing companies I had called could not. Def will call in future for anymore services needed.
Johnny is the best excellent service and gets the job done! highly recommended. He is very knowledgeable and respectful
We have had many things fixed with JB Plumbing and they are always reliable, on time and offer reasonable prices while getting the job done.
11/10 stars! JB Plumbing in San Dimas did an excellent job fixing a couple of leaky valves under my sinks. They handled everything professionally, were friendly, and made me feel like I could completely trust them in my home. It is hard to find people who are both trustworthy and professional, but JB Plumbing…
J. B. Plumbing were outstanding. They responded to my call, set a time, stayed in communication and were able to arrive early. Johhny Mean was incredible! He quickly diagnosed my problem and discussed options. He was efficient and effective. He and his assistant had everything they needed on the vehicle and were…
Great service! Corey came by and fixed our plumbing issue quickly and effectively! Highly recommend for any plumbing issues!
Johnny and his team go above and beyond to make sure you are satisfied and your plumbing is working smoothly! I highly recommend their services and have been using them for years - Johnny is always super fast to respond to my texts and calls and I truly consider him as a great service! From plumbing on my…
Fixed the issue, while giving multiple repair options. Had the tools and supplies on hand to complete the job. Friendly and efficient!
JB Plumbing did water supply relocation for down stairs restroom. Clean and professional.
Looking for the nostalgic and rare experience of a knowledgeable, reliable, trustworthy and reasonably priced plumber… one who takes care like a family member would? Job: full home repipe Jonny M. runs a tight ship and he and his crew really know what they’re doing! First time customer referred by a neighbor, and I…
Johnny is simply the GREATEST!! He is extremely reliable. His work is without question the best.
I was so pleased with johhny and the company. They kept me informed throughout the entire process and made me feel I was in great hands. Definitely call them. You will not be disappointed
To Johnny Mean and the Crew: You’re an amazing fun smart master of plumbing and you’re obviously a good person surrounded by great strong people Your skills and command of attn and ability to manage is nothing less than impressive. My experience working w you your company your fellow team is excellent I am super…
I experienced a slab leak and was recommended by a friend who used Johnny for past work. Overall very satisfied with the work, Johnny explained in detail from start to finish. Was happy to answer my questions or concerns. He takes pride in craft, very skillful plumber.
I highly recommend and appreciate JB Plumbing for all the work performed at my property in Upland, CA. I have been calling this company for all types of plumbing jobs for over 4 years now; including a complete re-pipe job. I am a repeat customer. They have always excelled in all aspects; including customer service,…
Showed up on time. Very friendly and helpful. They went above and beyond by taking care of an extra plumbing problem that was not part of my original request for service. BIG THUMBS UP to JB Plumbing!
We had an issue with our primary bath at 11pm and called JB Plumbing. A dispatcher answered and although they could not come that evening they came the next day between 8-11am. Cory arrived and was great. He was very professional, explained the issue and was able to replace and fix the part, Re-seal the part and…
All of the above! Very efficient. Very friendly. Great people to work with.
Johnny and his associate were great and honest. Told the information as is no games … no selling games. Appreciate their prompt response. My shower faucet was leaking .. fixed them based what can be done within budget.
Flume detected a leak, so we called another plumber to come out and help us find it. $200 later and two holes in my laundry room later, they found nothing and kept trying to upsell me on a pressure valve regulator and repiping my whole house. Called JB plumbing that afternoon and Johnny came out the next day. Took…
Great work! Johnny and Cam helped out really quick and was very knowledgeable. They gave me a good price without trying to sell me on anything else. Really cool guys I will definitely be referring them to everyone I know with their plumbing needs. Thank you so much for the quick and prompt service
I appreciated Johnny’s professionalism and the quality of his work. I will definitely use them again and refer others.
Wonderful company. Fast, responsive, knowledgeable. Friendly, decent pricing. I would highly recommend them.
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Price
Bar = middle half of what customers paid · gold mark = category median.
Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| Plumbing pipe repair | 60 | $214–$1.4k |
| Plumbing leak detection | 52 | $205–$638 |
| Drain cleaning | 50 | $104–$353 |
| Plumbing leak repair | 33 | $228–$1.7k |
| Toilet repair | 32 | $56–$380 |
| Faucet repair | 27 | $39–$457 |
| Outdoor plumbing system repair | 26 | $450–$1.7k |
| Faucet installation | 22 | — |
