Simpson Plumbing is expanding! That’s right. If you live in Manteca, Modesto, Mountain House, Oakdale, Turlock or Tracy, you are now in our service area!

If you have a plumbing emergency, are looking for a regular maintenance contract or want to upgrade to higher end fixtures and appliances, we’re a foolproof choice. Simpson Plumbing is quickly becoming the most trusted plumbing contractor in San Joaquin & Stanislaus counties, and we think you should call today to see why.


Need a new water heater in Manteca? We’ve got one for you. We’ll bring it to your door, we’ll bring it to your garage, we’ll bring it to your utility room – wherever you want it, that’s where it’ll be. Out highly skilled techs will take away your old unit and install the new one. The further out you schedule it, the cheaper the installation will be. If you need a repair, you’re in luck – we do that too! Make Simpson Plumbing your Manteca plumber of choice.

Plumbers in Manteca »


Simpson Plumbing can help you lower you water bill by installing low flow shower heads and aerators on your faucets. But that’s just the beginning. When we come out to your Ripon residence, we’ll also help you tweak your water heater settings, talk to you about insulating your water pipes and give you countless ways to conserve energy on an everyday basis. Make Simpson Plumbing your Ripon plumbing choice and start saving today!

Ripon plumbing services »

Mountain House

Have you been waiting to fix those leaky faucets? Has your water heater seen better days? Don’t wait another minute. Call Simpson Plumbing today. We excel at bringing your plumbing systems back to health without giving you a heart attack from the bill. Our whole team is committed to building long term relationships which start by earning your trust the old fashioned way: with hard work and commitment.

Mountain House plumbers »


Most water heaters in Oakdale only last for about 10 to 11 years. This is both because of their steel frames and lack of maintenance. A water heater that is routinely checked can easily run for twice as long. Simpson Plumbing can set you up with a water heater maintenance plan that will not only keep your water heater working for longer, we’ll also increase your water heater’s efficiency. Make Simpson your Oakdale plumber and take advantage of this and all of our other helpful tricks and tips.


A Modesto plumbing company should have your best interest at heart. Unfortunately there are a lot of glorified handymen out there looking to make a quick buck. We know because we’ve been cleaning up their messes lately. Don’t call a plumber that doesn’t have an outstanding track record, call Simpson Plumbing now. Check out what our past clients have to say. We’re sure you’ll know what to do next!

Plumbers in Modesto »


Slow running drains? Sewer backing up? Simpson Plumbing is the answer. We have the latest in trenchless sewer repair and replacement equipment, hydrojets that leave your pipes clean as new and hundreds of hours of work experience with unique plumbing systems. Whatever caused your clog, we can clear it, even if we need o use a video snake to figure out exactly what it is!