Customers consistently praise Isaac & Sons Plumbing for punctual arrivals, clear communication, and professional execution of services like drain clearing, water heater installation, and leak repair. Reviewers highlight the team's efficiency, transparent explanations of work, and reasonable pricing as key factors in their satisfaction. One lower-rated review noted a lack of proactive communication regarding a delayed arrival and questioned the cost of a faucet installation.
Google rating: 5.0 out of 5 from 139 reviews (99% five-star).
Reviews on this page: 139 Google reviews (116 with written comments, 4 with photos).
Owner responses: the business replied to 100% of reviews.
Most recent review: August 27, 2026.
Service: Repiping Service serving Duarte, California.
Data from Google, last updated October 26, 2026.
Photos
Customer reviews
5.0
★★★★★
139 reviews on Google
5★137
4★0
3★1
2★1
1★0
Reviews from Google, shown as published (original wording, unedited).
SB
Samantha Beyer1 review
★★★★★
Isaac & Sons Plumbing did an exceptional job servicing our home. Their team worked efficiently, maintained full transparency throughout the process, and clearly walked us through every step of the completed work. They were remarkably communicative from start to finish and left the workspace completely spotless. I highly recommend their team for reliable, top-tier plumbing services!
Response from the owner · a month ago
Thank you Samantha we appreciate the opportunity to serve you!
I highly recommend Issac & Sons. He was friendly and helpful. He explained the issue and was able to fix the problem quickly. I would definitely use this company again!
Price assessment: Great price
Response from the owner · 3 months ago
Hi Elizabeth,
Thank you so much for your wonderful review! We’re thrilled to hear that you found our service friendly and helpful, and that we were able to quickly resolve your issue. Your recommendation means a lot to us, and we look forward to serving you again in the future!
Called and Issac and he showed up on schedule. The job was completed fast and well explained before the work began. Great attitude. Definitely putting this company on my go to list for my home.
Price assessment: Reasonable price
Price: $200–400
Services: Service not listed
Response from the owner · 3 months ago
Hi Veronica,
Thank you so much for your fantastic review! We’re thrilled to hear that Isaac was able to provide timely service and explain the work before getting started. Your kind words about our team's attitude mean a lot to us. We’re looking forward to being your go-to plumbing service in the future!
I have used Isaac for multiple jobs. Isaac and his crew are very reliable and do amazing work. If you are looking for a plumber big or small job would highly recommend using Isaac.
Price assessment: Great price
Services: Drain cleaning
Response from the owner · 3 months ago
Hi Tim,
Thank you so much for your wonderful review! We're thrilled to hear that you've trusted us for multiple jobs and found our team reliable and our work amazing. Your recommendation means a lot to us, and we look forward to helping you with any plumbing needs, big or small, in the future. Thanks again for choosing Isaac & Sons Plumbing!
Isaac did an excellent job in trouble shooting some issues with water pressure and temperature. He was very knowledgeable and professional. I found his rates to be very reasonable. Highly recommend.
Response from the owner · 3 months ago
Hi Liz,
Thank you so much for your wonderful review! We're thrilled to hear that Isaac was able to troubleshoot your water pressure and temperature issues effectively. It's great to know you found his knowledge and professionalism valuable, as well as our rates reasonable. We appreciate your recommendation and look forward to assisting you again in the future!
Hi Peter,
Thank you so much for taking the time to leave a review! We are thrilled to hear that you were satisfied with the sewer line repair service. Your support means a lot to us, and we look forward to assisting you with any future plumbing needs.
Joseph Came out to see what was needed and found a leak and replacement of the water heater. We were very impressed with the work that he did
Price assessment: Reasonable price
Price: $2,000+
Services: Water heater installation
Response from the owner · 3 months ago
Hi Bruce,
Thank you for your wonderful review! We're thrilled to hear that Joseph was able to quickly identify the leak and assist with the replacement of your water heater. Your satisfaction with our work means a lot to us. We appreciate your support and look forward to serving you again in the future!
Isaac quickly addressed our outdoor valve and recommend his response time, work quality and professionalism. I highly recommend him!!!
Price assessment: Great price
Price: $1,400–1,600
Services: Service not listed
Response from the owner · 4 months ago
Hi T Ross,
Thank you so much for your kind words and for taking the time to share your experience! We’re thrilled to hear that you were pleased with our quick response, work quality, and professionalism regarding your outdoor valve. Your recommendation means a lot to us. We look forward to assisting you again in the future!
Hi Dottie,
Thank you for your fantastic review! We're thrilled to hear that you felt both jobs were completed with knowledge and confidence. Our team takes great pride in delivering quality service, and your feedback reaffirms our commitment. We look forward to serving you again in the future!
I contacted Isaac & Sons after not getting my plumber to follow up with installing faucets and drains. Isaac & Sons were quick to respond and schedule an estimate. It was expensive to hook up a bath faucet, two drains, and open the shower faucet to see if could be replaced, but I needed the work completed. The plumber was very nice and worked hard to do everything in a couple of hours. I may get multiple estimates next time, some plumbers do not return calls.
Price assessment: Not sure
Price: $700–800
Services: Service not listed
Response from the owner · 6 months ago
Hi Heather,
Thank you for your fantastic review! We're glad to hear that our team was responsive and that you were pleased with the work done on your faucets and drains. We appreciate your honesty about the cost and understand the importance of finding the right fit for your plumbing needs. We look forward to helping you with any future projects and ensuring a smooth experience every time!