Expert Mountain House Plumbing – Your Hometown Heroes
When you need reliable plumbing in Mountain House, Knights Plumbing & Drain is to the rescue. For more than 30 years, our licensed and certified plumbers have been helping local families and businesses with everything from small repairs to large commercial projects. We back every job with upfront pricing and our Happy Today or You Don’t Pay Guarantee.
Our Plumbing Services in Mountain House
Burst Pipe Repair
Fast, professional pipe repairs to stop leaks and protect Mountain House homes from costly damage.
Gas Line Leak Detection & Repair
Licensed specialists who ensure accurate detection and safe, lasting repairs.
Leak Detection
Advanced tools to locate hidden leaks before they turn into expensive water damage.
Slab Leak Repair
Skilled repairs to protect your foundation and maintain your home’s structural safety.
Commercial Plumbing
Full-service plumbing solutions for Mountain House businesses, from restaurants and offices to retail spaces.
- 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.
- plumbing service company
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!
Common Plumbing Issues in Mountain House (and How to Prevent Them)
As a fast-growing community, Mountain House faces unique plumbing challenges:
- New Home Plumbing Installations – Many homes in Mountain House are newer but still require expert plumbing installations or upgrades. Prevention Tip: Use licensed, experienced plumbers to ensure systems meet code and last longer.
- Drain Clogs from Growth & Landscaping – Expanding neighborhoods often see drain and sewer issues from construction debris or tree roots. Prevention Tip: Schedule video inspections and regular drain cleaning to prevent backups.
- Water Heater Strain – With larger family homes, water heaters work overtime. Prevention Tip: Annual flushing and maintenance (free with Royalty membership) extend heater life.
- Commercial Plumbing Demands – Local businesses need fast, dependable plumbing to stay operational. Prevention Tip: Preventive maintenance plans help avoid costly downtime.
- Serving the Central Valley
Mountain House Plumbing 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
Plumbing Rescue in 4 Easy Steps
Step 1
Call or Schedule Online
Book service with ease.
Step 2
Upfront Estimate
Get clear, detailed pricing before we begin.
Step 3
Expert Service
Our plumbers get it right the first time.
Step 4
Guaranteed Satisfaction
If you’re not happy, you don’t pay.
- Our Work
Latest Projects
With more than 30 years of experience, we’re proud to be recognized as the best plumbing contractor for remodeling projects in the Central Valley. From kitchens and bathrooms to full commercial build-outs, we deliver expert plumbing, dependable service, and lasting results that bring your remodeling vision to life.

Nice Water Heater Swap Stockton, CA
Knights Plumbing and Drian responded to a service request regarding a water heater not producing hot water in Stockton, CA. Upon arrival, the Plumber met with the customer

50-Gallon Water Heater Replacement in Manteca, CA
The team at Knights Plumbing & Drain was recently called to a home in Manteca, where the customer was experiencing issues with their aging State

40-Gallon Rheem Water Heater Installation
Knights Plumbing and Drain responded to a service request in Modesto, CA, regarding a 40-gallon Water Heater that was not working correctly, leaving the customers with
- FAQS
FAQs About Plumbing in Mountain House
The cost depends on the type of repair. Small jobs like unclogging a drain may be around $200, while larger projects such as sewer repair or repiping cost more. We provide upfront pricing before any work starts.
Yes. We serve both residential and commercial customers, offering everything from water heater installation for restaurants to sewer line repair for offices.
Yes. In most cases, we can provide same-day service for plumbing repairs and installations.
Yes — but only for our Royalty members, who enjoy 24/7 emergency plumbing response, annual inspections, and exclusive discounts.
We provide complete residential plumbing services: leak detection, water heater installation, drain cleaning, remodeling plumbing, and more
Yes. We repair and install tank, tankless, and heat pump water heaters, and also provide regular flushing and maintenance.
Absolutely. Through GreenSky, we make it easy to finance major repairs and installations like repiping or remodel plumbing.
Warning signs include low water pressure, rusty or discolored water, and frequent leaks. We provide repiping inspections and solutions using copper or PEX piping.
Drain clogs, water heater strain, and installation issues in new homes are among the most common problems.