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Top-Rated Foundation drain installation pros in Ontario - Updated Nov 2026

Avatar for Alpha Structural, Inc.
Alpha Structural, Inc.
4.6(
241
)
Foundation Drainage - Install or Replace

Serving Ontario, CA and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

"This group is top notch, friendly and excellent. There was an issue with scheduling (for some reason they didn't get the deal I bought on the website) my wife had me call the day before the scheduled inspection (that I set up on the website) and alpha structural got back to me asap. Even though they were just notified that morning they got Dick out later that afternoon when we needed him. I was very impressed how they were able to make it right in such a short amount of time. Buying a home with potential issues (especially the foundation) is tough enough but for them making it work was a life saver. Dick our structural engineer was very knowledgeable, gave all the facts and in the end gave us piece of mind. I would definitely use them again!!"
Basement Addition
Basement Expansion
Caisson Supported Retaining Wall
Cantilevered Deck Design Build
Deck Expansion and Slope Failure with Retaining Wall

+323

Response time10 hrs
Response rate100%
11 neighbors recently requested a quote
Avatar for Western Rooter & Plumbing
Western Rooter & Plumbing
4.8(
172
)
Sump Pump or Interior Foundation Drains - Install

Serving Ontario, CA and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"Ryan was perfectly on-time and was a plumbing scholar and a gentleman. We had a simple drain replacement under a new sink. Going to Western saved me at least another day of trying to figure out proper parts and doing the install myself, and it also saved my wife's ears from hearing my salty language."
Ruben installs a new drainage system under a customers home. Working in a crawl space is rough, but we do what is needed.
Backing up? Got roots? Blast those roots out with a Hydro Jetter! We use a wart hog nozzle that combines controlled rotation with a unique 8 jet cutting configuration optimized for removing roots. It’s better with a jetter! Call us! We got this! ??
Sewer Line Camera
No drain clog too big or small, Western Rooter covers them all!
Justin clearing a Kitchen sink back-up after the Memorial holiday.
HALO 5 whole house water filtration system.

+542

Response time12 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for Just Stamping Concrete
Just Stamping Concrete
5.0(
28
)
Concrete Foundation - Install

Serving Ontario, CA and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"I hired this company to design my backyard landscape and they did a fantastic job. The designer was creative and came up with a beautiful plan that incorporated all of my ideas. The installation process was seamless and the team was professional and efficient. I now have a backyard that I can be proud of and enjoy all year round. I highly recommend this company for anyone looking to enhance their outdoor space."
Concrete
Response time2 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for Robert A. Garcia Concrete
Robert A. Garcia Concrete
4.8(
64
)
Concrete Foundation - Install

Serving Ontario, CA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Robert and his crew did a great job installing a concrete walk in my side yard. They had some challenges working around our existing irrigation valves and pipes, but they took the extra time to do it right. After installing the concrete Robert found an area which was not draining fully and he put in extra time and effort to fix the problem area. Robert communicated with us during the project and was very professional. I would recommend Robert Garcia Concrete!"
Response time9 hrs
Response rate88%
Recommended by85%of homeowners
Avatar for Ace’s Plumbing Services
Ace’s Plumbing Services
5.0(
20
)
Sump Pump or Interior Foundation Drains - Install

Serving Ontario, CA and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"We’ve used this plumbing company multiple times across several properties and have always had a great experience. Extremely knowledgeable, professional, and quick to respond whenever we need service. It’s hard to find honest plumbers with real experience, and these guys definitely know what they’re doing. Every job has been handled efficiently and with great attention to detail. Communication is always excellent, pricing is fair, and they consistently deliver quality work. We truly appreciate having someone reliable we can count on for our properties. Highly recommend to anyone looking for a dependable and experienced plumber. Five stars all the way."
Water Heater Installation
Valve/Regulator
Tankless Heater
Copper Spot Repair
Automatic Shutoff

+2

Avatar for PRO FLOW PLUMBING AND ROOTER
PRO FLOW PLUMBING AND ROOTER
5.0(
11
)
Sump Pump or Interior Foundation Drains - Install

Serving Ontario, CA and surrounding areas

Approved

In business since 2010

Emergency services offered

Warranties offered

"i would like to thank pro flow plumbing to come and clear my kitchen sink drain. after having multiple plumbers charge me almost yearly and still have slow drainage, i called richard and he took his time to clean the drain and now back to fast working drain. very satisfied for the work received!"
Drain repair
Drain repair
Drain repair
Drain repair
Drain repair

+6

9 neighbors recently requested a quote
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Showing 1-10 of 461
Foundation Drain Installation FAQs, answered by experts

Several factors can impact the cost of waterproofing your basement. Some of the most common cost factors include:

  • Location

  • Square footage

  • Cause of the water leak

  • Type of foundation

  • Accessibility

  • Waterproofing method

  • Materials

  • Contractor experience and availability

  • Engineering reports, if needed

  • Structural and other repairs

  • Permits

Most sump pumps come with power cords that can be plugged into an outlet, but there are options that can be hardwired into a home’s electrical system. Either way, it’s smart to have a backup power supply in case the electricity goes out during a storm. That way, the sump pump can keep running and removing water from the sump pit.

Yes, a well-maintained sump pump can increase a home's value and make it more desirable to potential buyers; it does not lower property value. By protecting the basement from flooding and water damage, a sump pump provides peace of mind and can make the space usable for storage or as an extra room. For buyers interested in homes with basements, a working sump pump is a significant feature that adds value by ensuring the space is secure and less likely to flood.

Installing a battery backup for your sump pump is recommended, particularly if you live in an area with frequent power outages or severe rainstorms. A sump pump requires electricity to function, and a battery backup ensures it can continue to move water out of your home if the power goes out, providing crucial protection against flooding. Additionally, frequent power outages can create electrical surges that might damage the sump pump's motor. A battery backup system offers an additional layer of protection, ensuring your basement stays dry.

A sewage ejector pump is necessary if you have any plumbing fixtures, such as a bathroom, laundry room, or sink, located below the level of your home's main sewer line. Standard plumbing relies on gravity to move wastewater and solid waste to the municipal sewer or septic tank. However, for fixtures located below grade (e.g., in a basement), gravity is not sufficient.

The purpose of a sewage ejector pump is to actively pump this wastewater and solid waste upward into the main sewer line. Without an ejector pump in this situation, wastewater would have no way to exit and would eventually back up, causing a sewage overflow or flooding in your basement. If all of your home's plumbing is on the main floor or higher, gravity can handle the drainage, and an ejector pump is not needed.

The Ontario, CA homeowners’ guide to foundation drain installation services

From average costs to expert advice, get all the answers you need to get your job done.