Cleaner, Better-Tasting Drinking Water for Your Home
ThankYouWater specializes in reverse osmosis and under-sink drinking water systems for East Bay homeowners, providing expert installation, maintenance, and honest guidance to help families enjoy cleaner, better-quality water at home.
Founder Message
ThankYouWater is an owner-operated drinking-water company serving East Bay homes and families. We provide personal guidance, careful workmanship, and long-term support for reverse osmosis and under-sink drinking-water systems. Our approach is simple: as we grow, we maintain the same standard of care that defines us today.
Yevgeny personally works with homeowners to understand their drinking-water needs and recommend solutions tailored to each home. Whether you need reverse osmosis installation or support for your under-sink drinking-water system in the San Leandro area, ThankYouWater is here to help. Contact us to learn how clean, filtered drinking water can make a difference for your family.
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Recommended Systems
ProductsReviews
Jeff Wyrsch
We had a great experience working with Yevgeny. Before finding him, we had a couple of other companies come out to look at our water filtration system because we had almost no water coming through. They spent very little time diagnosing the issue and immediately told us we needed to replace the entire system without really investigating the problem. Yevgeny was completely different. It was obvious from the start that he really understands water filtration systems. He took the time to properly diagnose the issue, knew exactly what needed to be done, and was able to repair the system instead of replacing it. He even relocated the filtration system closer to the sink, which was a difficult job but will make replacing the filters much easier in the future. Throughout the entire process, he explained what he was doing, why he was doing it, and answered all of our questions. He also tested the water before and after the repair, and the improvement in the water quality measurements was significant. It was great to actually see the results. On top of doing excellent work, Yevgeny was friendly, professional, and someone we felt we could completely trust. It’s hard to find people who are this knowledgeable and honest. We would absolutely recommend Yevgeny to anyone looking for water filtration services and will definitely call him again in the future.
Read original review on GoogleJay Patel
Today, I had all the filters and membrane replaced in my 5 stage Watts Reverse Osmosis water filtration system under the sink, along with a full sanitization, and I couldn't be happier with the work completed by Yevgeny. It was clear from the start that he is a highly experienced professional who really knows this equipment inside and out. The patience shown throughout was fantastic and every question was answered thoroughly and without any rush. The thoroughness stood out too, the whole system was disassembled, fully sanitized, and rebuilt with care, with no shortcuts taken. I also loved how educational it was. I got a great refresher on how the system actually works, what each filter does, and how to maintain it going forward. The cleanliness was impeccable, with everything left spotless when the job was done. On top of all that, the professionalism and attention to detail were second to none. It's rare to find someone who takes this much pride in their work, and it really showed in the end result. Above all, this was genuinely trustworthy service, honest, transparent, and no upselling. Five stars all around, I'll definitely be calling Yevgeny again for my future needs!
Read original review on GoogleNatalie G.
We absolutely love our new water filtration system! The water tastes amazing, and having clean, filtered water straight from the tap has made such a difference for our family. Yevgeny was professional, knowledgeable, and the installation was clean and much faster than we expected. He explained everything clearly and made the whole process easy. This has been one of the best investments we’ve made for our home. We highly recommend ThankYouWater to anyone looking for a quality drinking water system.
Read original review on ThumbtackRishabh T.
Yevgeny did an outstanding job installing my Waterdrop X12 RO system. The entire installation was smooth, professional, and very clean. He drilled the hole in my quartz countertop perfectly and completed the installation quickly. It took only about 1.5 hours from start to finish. He explained how the system works in detail and patiently waited until the initial filter flushing and drainage process was complete before testing the system and confirming everything was working properly. Overall, it was an excellent experience, and I highly recommend Yevgeny to anyone looking for a professional RO system installation
Read original review on ThumbtackVictoriya Chumakova
I’ve known Yevgeny for a long time through friends in Los Angeles, and last year I finally decided to install a reverse osmosis drinking water system in my home. I’m so happy I did. As a mom of three boys, it makes a big difference to have clean, great-tasting water at home. It’s very convenient to fill their water bottles before soccer and sports activities, and I no longer have to buy and carry so many plastic bottles. Today Yevgeny came for the first full filter replacement service. He replaced all the filters, sanitized the system, checked everything carefully, and made sure everything was working properly. Living in Sacramento, especially with the summer heat, it gives me peace of mind knowing that the system was properly serviced and disinfected. Yevgeny is professional, knowledgeable, clean, fast, and very caring about the quality of his work. I highly recommend him for reverse osmosis installation, filter replacement, and drinking water system maintenance.
Read original review on GoogleAaron Y.
Yevgeny did an outstanding job installing our reverse osmosis system. From the start, he was highly responsive and came well-prepared with deep knowledge of the system and the installation process. What really stood out was how thorough he was. He walked me through each step and worked carefully to ensure everything was installed cleanly. He didn’t leave until the system was functioning perfectly.
It’s rare to find someone who combines technical expertise with that level of care and attention to detail. I’d recommend Yevgeny without hesitation to anyone looking for a professional RO system installation.
Why Choose Us
Expert Water Filtration
Professional installation, maintenance, and repair of reverse osmosis and under-sink drinking-water systems.
Honest Guidance
Clear recommendations to help homeowners choose the right drinking-water system for their needs.
Long-Term Support
Ongoing maintenance and support to help keep your reverse osmosis and under-sink drinking-water system working properly.
Our Recent Work
See the water filtration systems, reverse osmosis installations, and drinking water solutions we've completed for San Leandro families and homes.
Contact Us
Have questions about your water or want to plan a new system?
How it works
Reach out
Tell us what you need by phone, text, or the quick form on this site.
We assess and plan
We review the details, answer your questions, and schedule a time.
We do the work
We show up on time and do the job right.
You're satisfied
We make sure you're happy with the result before we call it done.