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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon130
    Verified sump pump installation services reviews

Top-Rated Sump pump installation pros in Saint Clair - Updated Nov 2026

Avatar for DP Plumbing LLC
DP Plumbing LLC
5.0(
12
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Saint Clair, MO and surrounding areas

Approved

In business since 2015

Credit card accepted

"DP showed up a few days after phone contact to inspect scope of work. They submitted a bid a few days later, and started work a few days after that. All interior plumbing as well as excavation & backfill for exterior run to propane tank was completed in two days. A customer-instituted change from original plans was completed a few days later. Crew was professional & polite. Work looks good to this fussy engineer."
project photos
7 neighbors recently requested a quote
Avatar for Foundation Recovery Systems
Foundation Recovery Systems
4.3(
314
)
Sump Pump or Interior Foundation Drains - Install

Serving Saint Clair, MO and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1992

Free estimates

Warranties offered

"I had a sump pump installed (fall 2022), along with drainage channels and a moisture barrier in one of corner of my basement. The sump pump has a battery backup system too. Install was done very professionally. They worked with me to finance the project through a 0% loan which was a nice feature. There was an issue in spring of 2023. They came promptly, diagnosed a bad pump and replaced free of charge. Recently the pump alarm kept going off intermittently. Got a repair tech scheduled to come out same week. He found a issue with how the alarm was placed and replaced that part. Both times that I had issues, thetechs were very knowledgeable and informed me further about how the system works. I would highly recommend this company for water issues."
Protect Your Basement Before & After
Correct Your Wet Basement
Protect Your Basement
Waterproof Your Basement
Protect Your Concrete Before & After

+16

473 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Mr. Rooter Plumbing of St. Charles
Mr. Rooter Plumbing of St. Charles
4.9(
7
)
Sump Pump or Interior Foundation Drains - Install

Serving Saint Clair, MO and surrounding areas

Approved

In business since 2001

Emergency services offered

Warranties offered

"I called Mr. Rooter because I had called another Plumbing company to come out the night before and they were a no show.  They were extremely friendly over the phone.  I called at approx 8AM and said they'd be able to come out by 11AM.  They called at about 9:30 to say someone was available to come out now and I said that was perfect.  They arrived at 10AM.

Jason was the plumber who arrived and he was very very friendly and professional.  I told him the problem and we discussed pricing up front.  I had a coupon which he said they would definitely honor.  He immediately got to work.  He wore footies over his shoes while in the house.  He worked diligently and answered all of my questions.  After about an hour and being certain the line was clear he cleaned up, we took care of payment which was exactly what was discussed beforehand, and he was on his way.

A very pleasant and hassle free experience.  I will definitely be calling Mr. Rooter for the Franklin County area again for any plumbing needs and would recommend them to anyone needing this kind of work.

The job also comes with a 30 day warranty which I thought was great and definitely put my mind at ease just in case something happened again."
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+2

1 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
4.8(
37
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Saint Clair, MO and surrounding areas

In business since 1993

Free estimates

Small jobs welcome

"They made almost immediate contact, we set up an appointment, and they were prompt on the appointment. My sump pump was shot (something I know nothing about, but the results showed it). Barry recommended a better brand pump that he said was top of the line. The price of the repair was a little steep, but I did opt for the better pump."
Gas Water Heater
Short Water Heater
Gas Water Heater
Electric Water Heater
Under Sink

+3

Response time7 hrs
Response rate97%
Recommended by97%of homeowners
Avatar for HS Sewer and Drain
HS Sewer and Drain
4.9(
7
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Saint Clair, MO and surrounding areas

In business since 2011

Free estimates

Emergency services offered

HS Sewer and Drain is proud to provide homeowners, realtors, and commercial businesses with quality plumbing service since 2011! With years of experience, our service professionals have the knowledge, tools, and resources to handle all of your sewer and septic needs! Whether your problem arises during the day, at night, on a weekend, or even over the holidays, you can rest assured that HS Sewer & Drain will arrive and get your plumbing back in order. From septic systems to sewer mains, we can do it all in a safe and timely manner. If your plumbing is clogging up your time then don't try and figure it out yourself- let the pros give you a hand! Give us a call today!

New riser and lid
Exposing buried lid
100' sewer line replacement
100' Sewer Line Replacement
Finished Grade

+19

Response time30 mins
Recommended by100%of homeowners
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Sump Pump Installation FAQs, answered by experts

Sump pumps remove excess water from the lowest point of your home, which prevents flooding. When a sump pit fills with water, a sump pump pushes that water outside of the basin and into an exterior discharge pipe. From there, the water flows away from your home, so it doesn’t damage your foundation.

A small sump pump running infrequently uses an average of 10 kilowatt-hours (kWh) of electricity per month. The average cost for electricity is $0.171 per kWh. The size and use frequency affect how much electricity it uses. Sump pumps average one-third to one horsepower (hp) motors. One hp is equal to 745.7 watts. Watts multiplied by the time your pump is running divided by 1,000 equals your average kWh. Multiply kWh by your average cost of electricity. In areas with high rain or a marsh basin, the average cost can be as high as $15-$25 a month.

The difference between an ejector pump and a sump pump lies in their purpose and design—an ejector pump functions to remove liquid gray water and soft solid sewage waste from your home. If you have a laundry room or bathroom in your basement, an ejector pump for your sewage tank prevents sewage from backing up in your washing machine or bathroom’s drains.

A sump pump is designed to remove excess groundwater that may enter your home, either due to flooding or periods of heavy rain.

3/4 HP is stronger than 1/2 HP. Horsepower measures how much weight can be moved and how fast, or the power needed to move 550 pounds one foot in one second. 1 HP equals 550 foot-pounds per second, so the higher the horsepower, the heavier the load it can lift. While 1/2 HP is a standard, powerful option, 3/4 HP has the extra strength to handle heavier, larger doors with ease.

Yes, it’s possible to install a sewage ejector pump outside rather than in a basement. However, there may be some extra steps involved, including running pipes from the inside to the outside of your home and digging (and re-filling) a hole for the basin. If you aren’t comfortable with this type of work, contact a plumbing pro to handle it for you.

The Saint Clair, MO homeowners’ guide to sump pump installation services

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