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Top-Rated Sump pump or interior foundation drains installers in Wilton - Updated Nov 2026

Avatar for Beutler Air Conditioning & Plumbing
Beutler Air Conditioning & Plumbing
3.8(
131
)
Sump Pump or Interior Foundation Drains - Install

Serving Wilton, CA and surrounding areas

Approved (Corporate)

In business since 1956

Free estimates

Warranties offered

"Well no one called me a half hour before my appointment. The service tech didn't really speak English. There was a language problem. In the end he just took a pictures and send them to his supervisor for advice. I am not totally sure if the advice was worth the money. I have a temporary fix that they said should maybe last 7 or 10 years. Not sure if that was a good solution."
Drain Cleaning
22 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Groundworks
Groundworks
4.0(
9
)
Sump Pump or Interior Foundation Drains - Install

Serving Wilton, CA and surrounding areas

Approved (Corporate)

In business since 1990

Free estimates

Warranties offered

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Basement
Basement
Basement
Basement
Concrete

+16

100 neighbors recently requested a quote
Avatar for Bonney Plumbing, Sewer, Electrical, Heating & Air
Bonney Plumbing, Sewer, Electrical, Heating & Air
5.0(
2
)
Sump Pump or Interior Foundation Drains - Install

Serving Wilton, CA and surrounding areas

Approved (Corporate)

In business since 1978

Free estimates

Warranties offered

Bonney Plumbing, Electrical, Heating and Air, has been your local, reliable service company since 1978. As an A+ rated member of the Better Business Bureau, we have worked hard to build our reputation by providing you with top notch technicians, superior products and exceptional customer service. We have serviced thousands upon thousands of satisfied, loyal customers and are so pleased to earn your referrals. You can count on Bonney for quick, reliable service and repair for your plumbing, electrical, heating and air conditioning needs. \n

Water Heater Install
Water Heater Installation
Water heater Installation
Tankless Water Heater Installation
Before

+6

Recommended by50%of homeowners
Avatar for 5-Star Plumbing
5-Star Plumbing
5.0(
81
)
Sump Pump or Interior Foundation Drains - Install

Serving Wilton, CA and surrounding areas

In business since 2017

Free estimates

Emergency services offered

"Let start by saying WOW!!! Great job 5 Star Plumbing. I needed to replace my 50 gal water heater the other day. I called other company's to get estimates for replacing my water heater. What I thought was going to be an easy job, they gave me a price that was outrageous. It seemed like they didn't want to do the work. So, that's when I called 5 Star Plumbing and not only did the front office tell me they can do it. They came the same day and the price given was much cheaper then the other companies i called. Peter and Oleg came out like promised by the office. I was amazed on how quick and efficient they both where in changing my 50 Gal water heater . Rest assure, 5 Star Plumbing is at the top of my list for future plumbing needs. Thanks again for the prompt and quick response."
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+29

Recommended by100%of homeowners
Avatar for The Plumbing Therapist
The Plumbing Therapist
4.7(
296
)
Sump Pump or Interior Foundation Drains - Install

Serving Wilton, CA and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"

We woke up in the morning to sinks, shower and toilets that would not drain and were backing up with water and waste. Found The Plumbing Therapist on angies list. We called them as soon as they were open and they were at the house by 10:00 am the same day.

Michael was the serviceman and he did a super job. He explained what he was doing and doubly made sure all the waste line were running clean and clear before he was done. He also offered some plumbing tips on another matter. I couldn't be happier with their service. I highly recommend this company. It was the first time that we have used them and will surely call them if we have any other plumbing problems,


"
Recommended by98%of homeowners
Avatar for Platinum Plus Plumbing
Platinum Plus Plumbing
4.8(
28
)
Sump Pump or Interior Foundation Drains - Install

Serving Wilton, CA and surrounding areas

In business since 2006

Free estimates

Emergency services offered

"Matt did an excellent work and I am very happy! It’s been at least two weeks and no issue from my water heater - no leaks. He was very responsive and he cleaned his work. It is not easy to find someone who can do both in replacing the damaged walls and installing the water heater. I hesitated at first how much he was charging for it was very affordable. It wasn’t a scam and he did an excellent work."
Additional Photos
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Additional Photos

+14

Recommended by95%of homeowners
Avatar for Mega Power Electric, Inc
Mega Power Electric, Inc
5.0(
191
)
Sump Pump or Interior Foundation Drains - Install

Serving Wilton, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Mega Power Electric is an excellent company to work with. Gary and his team are knowledgeable, honest, and will go out of their way to get the job done right. We installed panels and solar battery storage unit in our home and we're reaping the benefits of being clean and green."
Additional Photos
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+32

Recommended by100%of homeowners
Avatar for Armstrong Plumbing, Inc.
Armstrong Plumbing, Inc.
4.3(
284
)
Sump Pump or Interior Foundation Drains - Install

Serving Wilton, CA and surrounding areas

In business since 1964

Free estimates

Emergency services offered

"Peter was very professional. He offered me two options to fix my leaking drain. I chose the more expensive option to replace all the drain piping and I am glad I did. There was a hole that was not visible that was also leaking. Peter did an excellent job and showed me exactly what he was going to do. I would highly recommend Armstrong Plumbing. They were very accommodating to fit me in their schedule to a time that met my needs."
Jetting
Perma-liner
Underground
Drains
Backflow

+1

Recommended by85%of homeowners
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FAQs for sump pump or interior foundation drains installation projects in Wilton, CA

Most residential pumps draw approximately 1,300 to 2,900 watts when they first start, then settle at roughly 800 to 1,050 watts during normal operation. The exact number depends on the motor’s horsepower and how often the float switch tells the pump to run. Even at the high end, the electricity cost is minor compared with the expense of cleaning up a flooded basement.

Grab a ruler and an empty 18‑inch‑wide pit. During a steady rain, time how much the water rises in one minute. Multiply that depth (in inches) by 60 to calculate gallons per hour, then add 50% for safety. If the result tops 2,100 gallons per hour—about 35 gallons a minute—you’ll need a 3/4‑horsepower unit. Anything lower, and a 1/3- or 1/2-horsepower pump should do the trick.

Loud rattling, constant cycling, or shuddering vibrations are the pump’s way of telling you it’s on its last legs. Musty smells, higher electric bills, and visible rust are other red flags. If the unit is 10 years old or older and exhibits any of these symptoms, replace it before the next heavy rain turns your basement into a wading pool.

You don’t have to hire a licensed plumber, but you should still bring in someone who installs sump pumps for a living—whether that’s a plumber, basement‑waterproofing specialist, or experienced handyman. They know the local codes, can wire the pump safely, and will test the system before they leave. Skipping professional help might void the warranty and could leave you with a pump that fails when you need it most.

Not every basement needs a pump, but if your home sits in a floodplain, has a high water table, or has ever taken on water during a storm, a sump pump is inexpensive insurance. For basements that only struggle with condensation or the occasional damp spot, sealing cracks and improving drainage may be all that is needed.

The Wilton, CA homeowners’ guide to sump pump or interior foundation drains installations

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