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What Our Customers Say

We'd rather you hear it from our customers. These are their reviews word for word, spelling and all, with a link to read every one of them on Google.

Since1946

4.9 Stars From 86 Google Reviews

Most of our reviews are on Google, and you can read all of them there. Richardson Life Magazine readers voted us Best of Richardson 2026, and our neighbors on Nextdoor made us a 2026 Fave Winner. We've held an A+ rating with the Better Business Bureau since 1981. Read all 86 reviews on Google

What Customers Mention Most

Reading through them, two things come up again and again. People mention how quickly we got there, sometimes within the hour and once just ahead of a snowstorm, and they mention hearing the price before any work started.

Had Us Out Recently?

We'd be grateful if you'd tell your neighbors how it went. Leave a Google review

Showing up fast

"We had a water heater leak on our ancient water heater and the team at Koen showed up within minutes."

Barbara N., Google, April 2026
  • "Wonderful service! Came out next day and fixed our plumbing problem. Highly recommend!!!"

    Brandi R., Google, May 2026
  • "Koen Plumbing came out quickly on an icy day for an urgent plumbing issue. They were able to put a temporary resolution in place while waiting for warmer weather to do further troubleshooting, and provided estimates for both best and worse case scenarios, so I had an idea of what to expect. Then they came back as soon as the weather improved enough to do the work. Would definitely recommend!"

    Deirdre G., Google, about February 2026
  • "The entire experience from booking, to job completion, was the truly the best we've had with home service companies. Mario and crew were fantastic! They were able to come out on very short notice to resolve our gas leak. Mario was very personable and walked us through the whole process. Customer for life. Thanks Koen Plumbing team!"

    MarioJacob C., Google, September 2026

The price before the work

"They are very responsive and can see you quickly. Everyone I dealt with was professional. I also like that they took time to explain what I needed and discussed detailed pricing before we started. Highly recommend!"

Kerri R., Google, April 2026
  • "Koen is the best! Honest reliable service. Never try to upcharge. I've always been very happy with the service. My family has been using them for years. Today's service was a tub drain, but used for many things: water heater, garbage disposal, pipe repair, gas line, and toilet repair."

    Angela A., Google, June 2026
  • "Courteous management, highly professional field technicians and crew, and a genuinely friendly staff. The diagnosis was accurate, the repair was completed to a high standard, and the pricing was reasonable. I highly recommend this company."

    Abdu K., Google, August 2026
  • "This was just the best service!! He fixed my problem quickly, told me how to get in touch with the manufacturer for a Free repair part and did not charge me. He was very knowledgeable, helpful and friendly. This will definitely be my go to Plumbing service!"

    Jan C., Google, August 2026

Customers for years

"Koen Plumbing has been my first & ONLY choice for any needs I have in my home for over 15 years. From their excellent customer service to their masterful expertise, in all small business categories, Koen is the BEST!"

Vicki D., Google, March 2026
  • "We've been using Koen Plumbing for years for everything from clogged toilets to replacing a hot water heater, to kitchen leaks. Great work, great service, and fair prices."

    Laura J., Google, August 2026
  • "Koen has been our go-to team for plumbing work. They saved the day with a hot water pipe leak, they have fixed out hot water heater, and replaced cartridges in our shower faucets. The show up with smart solutions and lead with integrity in everything they do. We got their name from neighbors who have had similar experiences with they team. We highly reccomend Koen!"

    Lauren F., Google, May 2026

The crew, by name

"Stellar experience with Koen Plumbing today. Needed new shutoff valve under my sink. Had Koen here first thing this morning and got it taken care of. They were able to respond within 24 hours. Alphonso and Adrian were polite and efficient and I very much appreciated them."

AlfonsoAdrianPat R., Google, October 2026
  • "Mario and his helper arrived on time, asked what was needed and prepared a quote. They then proceeded to replace stems in three sets of faucets and rebuild a toilet. They were friendly, efficient and most knowledgeable. When they needed to go to the supply store for older parts, they returned quickly."

    "I now know who will replace our water heater, which is aging, and I have found my plumber. Thank you Mario."

    MarioLinda, Google, July 2026
  • "We highly recommend Koen Plumbing. We had an issue with our toilet and they were out the next day. The plumber, Salvador was friendly and paid great attention to detail to fix our problem. Will definitely call Koen Plumbing again the next time we need plumbing services."

    SalvadorSarah D., Facebook, June 2025
  • "Omar did an amazing job, literal life saver! Recommending to all family and friends"

    OmarAnna A., Google, February 2026

"Wow, what can I say about the service that Koen Plumbing provides? First class! From the secretary all the way to the boss, they are salt of the earth and are fantastic to deal with. Professionalism at every turn, Richardson is lucky to have them!"

Trey T., Google, August 2026
  • "Koen Plumbing replaced my garbage disposal, including a rebuild of the 3-sink drains. Their service was timely and professional, and the people were pleasant to deal with. They're family owned, and local. I will be using them again, when the need arises."

    David G., Google, April 2026
  • "Such a well run company! Very courteous and quick response, and super nice employees! They must have great ownership!"

    T. T., Nextdoor, 16 September

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