Serving Montclair & the Inland Empire
Licensed & Insured Honest. Reliable. Local.
Sweetwater Plumbing πŸ’¬ Text us ☎ (909) 312-4516

Professional plumbing service.
For homes & businesses.

Whatever is going on at your place, from a leaky faucet to a sewer line replacement, we are here to help and happy to explain your options. Browse by category below, or just call us and we will point you in the right direction.

Residential Plumbing

Residential plumbing services.

Every plumbing service for Inland Empire homes, from a single fixture repair to a whole-home repipe.

Emergency Plumbing

24/7 response for burst pipes, major leaks, and urgent failures.

Backflow Prevention

Protect your drinking water with proper backflow assemblies.

Backflow Testing & Certification

Annual testing and certification to keep you compliant.

Whole-Home Repipe

PEX or copper, installed by our own crew.

Bathroom Plumbing

Toilets, showers, tubs, sinks. Repair and replacement.

Kitchen Plumbing

Disposals, dishwashers, faucets, sinks, ice makers, instant-hot dispensers.

Sump Pumps

Install, replace, repair. Battery backups for power-outage protection.

Water Heaters

Water heater install, repair & replacement.

We’re an A.O. Smith Authorized Service Contractor. Tank, tankless, or heat pump, sized and installed right for Inland Empire homes and our hard water.

Tank Water Heaters

Dependable storage water heaters. Replacement and repair, sized right.

Drains & Sewer

Drain & sewer cleaning and repair.

From a slow kitchen drain to a collapsed sewer main, we clear it, camera it, and repair it, trenchless where it makes sense. See our full drain & sewer service overview.

Sewer Line Repair

Diagnosis and repair of damaged or aging sewer lines.

Trenchless Sewer Repair

Replace or reline without tearing up your whole yard.

Bathroom Drain Cleaning

Slow or blocked bathroom drains cleared and flowing again.

Not Sure Which?

Compare your options.

Weighing a decision? These plain-English comparisons help you choose what’s right for your home. See all comparison guides.

What customers say

Real reviews from real customers.

β˜…β˜…β˜…β˜…β˜…4.8 / 5 average
Β· View all 588+ Google reviews β†’
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Baron Brown
β˜…β˜…β˜…β˜…β˜… Apr 2025
GOOGLE

Sweetwater Plumbing is arguably the most professional contractors that I've ever had as a home owner in my 40 years of home ownership. My techs, Freddy and Angel were great, but the commitment to excellence starts and ends with John, the GM/Owner. I'll NEVER…

CH
Calvin Hoyt
β˜…β˜…β˜…β˜…β˜… Jul 2026
GOOGLE

We are very pleased with the service we received. We have worked with Sweetwater before and will again for future needs. We have tried other companies and have been very disappointed with the quality and expense. Freddy was very friendly, clean and…

EJ
Eartha Johnson
β˜…β˜…β˜…β˜…β˜… Aug 2026
GOOGLE

I have contacted John, the owner, several times about different issues , and he has always been helpful and responsive. He was always willing to troubleshoot with me over the phone and would personally show up the next day to assess the problem when needed. I…

Common Questions

Frequently asked questions.

How much does plumbing service cost in the Inland Empire?
Every job is different, so we look at the problem first and give you your options in writing, each with one flat-rate price, before any work begins. No surprises. Our customers tell us our pricing is honest and fair.
Are you licensed for plumbing service in California?
Yes. Sweetwater Plumbing is a licensed C-36 Plumbing Contractor (California CSLB #889182), fully bonded with $2M general liability insurance.
Where do you offer plumbing service?
We provide plumbing service throughout the Inland Empire, including Montclair, Ontario, Upland, Rancho Cucamonga, Chino, Chino Hills, Pomona, Claremont, Fontana, Riverside, and 14 other cities. Call (909) 312-4516 to confirm coverage.
(909) 312-4516 Text us