Water Filtration Systems in California’s Central Valley
Cleaner, Safer Water for Your Family
Tap water can contain chlorine, sediment, minerals, and even bacteria that affect taste, smell, and safety. At Knights Plumbing and Drain, we install professional water filtration systems across Modesto, Stockton, Tracy, Manteca, Turlock, and surrounding Central Valley communities. Our licensed plumbers help families enjoy healthier water with solutions designed to protect both people and plumbing systems.
Our water filtration services to the rescue
Whole-home water filtration systems
Filter water throughout the house, not just in the kitchen.
Point-of-entry installation
Clean water at the source for every tap, shower, and appliance.
Custom solutions
Systems designed to address local Central Valley water quality challenges.
Maintenance & replacement filters
Keep your system running smoothly for years to come.
- Our Offers
Plumbing Coupons and Special Offers
We believe every customer deserves high-quality plumbing at a fair price. Take advantage of our current coupons to save instantly on essential services:
$15 OFF
ANY DRAIN CLEANING SERVICE
Coupon must be presented at the time of service and cannot be combined with other offers.
$15 OFF
ANY PLUMBING REPAIR SERVICE
Save on common repairs like leaks, clogs, or fixture replacements.
$15 OFF
ANY WATER HEATER (INSTALLED)
Upgrade to a new water heater and enjoy instant savings.
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Main Services We Cover
- 5-Star Reviews
Over 3k Positive Reviews From Our Clients
EXCELLENT Based on 542 reviews Posted on E XTrustindex verifies that the original source of the review is Google. We always request Joe to service our home because he is very professional and knowledgeable! He’s also quick and cleans after his service!Posted on Vikki FrazierTrustindex verifies that the original source of the review is Google. As always (we live in an old house) Knights Plumbing are our go to plumbers. Always respectful and in good moods. Today it was Victor’s turn to tackle roots in the pipes. Fast, professional and overall a great guy. He was informative without being pushy about our pipe and tree situation (we do know it’s not great) 5/5 stars. Thanks VictorPosted on Diana GillisTrustindex verifies that the original source of the review is Google. Victor was amazing. Very professional and personable. He explained everything so that I could understand. His workmanship is great and was done in a timely manner. I would trust him with all future work. Thanks Victor...you're the best and I love your friendly personality.Posted on B. J.Trustindex verifies that the original source of the review is Google. Victor is an awesome plumber. He has excellent plumbing and customer service skills, and is very efficient and clean. He fixes any plumbing issues I ever had every time the first time. Highly recommend Victor to anyone who expects a professional plumber!Posted on Elena SanchezTrustindex verifies that the original source of the review is Google. Our technician Victor did a fantastic job of running his cable and camera in our sewer line. He unclogged our blockage, fast and efficiently. He was very respectful. I would recommend this company to anyone who’s looking for plumbing services.. Leslie took our phone call and he got someone to us in less than an hour! It wasn’t expensive for the amount of work that was done .If I could give this company more stars, I would.Posted on Jose RanesesTrustindex verifies that the original source of the review is Google. Victor was on time and knowledgeable tech and gave me alot of information about tankless water heatersPosted on Jake HaigTrustindex verifies that the original source of the review is Google. Michael was the service technician that helped me out and he was very thorough and neat with his work. He made sure his work was done correctly and was very communicative with his process during installation and through their office. Would recommend again.Posted on J DTrustindex verifies that the original source of the review is Google. Very pleased with the service. Technician Michael was just awesome. Well versed, polite and helpful. Definitely recommend to all!
Benefits of Installing a Water Filtration System at Home
Installing home water filtration systems provides multiple benefits:
- Better taste & smell – No more chlorine or chemical odor.
- Healthier water – Reduce contaminants, bacteria, and heavy metals.
- Protect appliances – Prevent sediment buildup in dishwashers, washing machines, and water heaters.
- Save money – Stop buying bottled water and reduce plastic waste.
- Whole-home protection – Get clean water at every faucet, not just one sink.
👉 The benefit: confidence knowing your family has access to safe, clean water at all times.
- Serving the Central Valley
Water Filtration Systems Near You
Affordable Plumbing for Everyone
Plumbing Specials & Coupons
Save instantly on everyday plumbing services.
Flexible Financing
Easy payment options so you don’t have to delay important repairs or upgrades.
Royalty Club Membership
Exclusive perks like discounts, inspections, annual water heater flushes for members.
- Our Process
how we install water filtration systems
Step 1
Water quality consultation
We begin with a water test and review your concerns, such as taste, odor, or hard water issues.
Step 2
System recommendation & estimate
Our team recommends the best water filtration system for your home and provides a clear, upfront quote.
Step 3
Professional installation
Licensed plumbers install your system safely, ensuring clean water reaches every tap and appliance.
Step 4
Testing & maintenance guidance
We test the system for proper flow and explain maintenance, including filter changes and service plans.
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Why choose Knights Plumbing for water filtration?
- 30+ Years of Experience – Serving Central Valley homes since 1995.
- Licensed & Certified Plumbers – Professional installation and reliable results.
- Same-day Service – Fast installation for urgent water quality concerns.
- Upfront Pricing – Clear estimates with no hidden costs.
- Worry-Free Guarantee – If you’re not satisfied, you don’t pay.
- FAQS
Frequently Asked Questions About Water Filtration Systems
Yes. Professionally installed water filtration systems for homes remove chlorine, sediment, and contaminants, providing clean water for your entire household.
Filtration removes contaminants and improves taste, while softening reduces minerals like calcium and magnesium that cause hard water. Many homes benefit from using both systems together.
The price depends on the type of system and size of your home. Knights Plumbing provides upfront pricing, plus coupons and financing to keep it affordable.
Yes. Filters need periodic replacement to stay effective. We offer service plans and reminders to keep your system working at its best.
Absolutely. We install water filtration systems for houses in Modesto, Stockton, Tracy, Manteca, and all surrounding cities.
Signs You May Need a Water Filtration System
- Water tastes or smells bad.
- Soap doesn’t lather well or leaves residue.
- White spots or film appear on glasses and dishes.
- Sediment or discoloration in drinking water.
- Family members with sensitive skin or allergies notice irritation after showers.
- Contact Us
Get expert water filtration today
Enjoy better-tasting, healthier water for your family. Call Knights Plumbing and Drain for professional water filtration system installation in Central Valley. With upfront pricing, licensed plumbers, and over 30 years of experience, we’ll help you get the clean water your home deserves.