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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon1.3k+
    Verified sump pump installation services reviews

Top-Rated Sump pump installation pros in Stevenson Ranch - Updated Nov 2026

Diplomat Claude Leblanc
4.7(
32
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Stevenson Ranch, CA and surrounding areas

Approved

In business since 1986

Free estimates

Credit card accepted

"All of the great reviews about Mike LeBlanc (aka Diplomat Plumbing) are well deserved, including mine. He is "one of us". I only met and hired him once, but I feel I can trust him to do any plumbing projects I may have, and he does not require my first born for payment. He and his associate are not only highly skilled professionals, but they are real people. They are very in tune to you the customer, and your plumbing needs. Try him once, and you'll likely call him for all your future plumbing needs. I know I will. He is that good; he's a keeper."
Response time8 hrs
7 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Goettl Plumbing - Simi Valley
Goettl Plumbing - Simi Valley
New to Angi
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Stevenson Ranch, CA and surrounding areas

Approved

In business since 1939

Free estimates

Emergency services offered

Established in 1939, we do residential HVAC and plumbing the right way, not the easy way. At Goettl, we are total home comfort solution providers, enhancing the quality of life in the communities we serve. As Sadie Certified professionals, equipped with cutting-edge tools and technology, we deliver a superior customer experience, one home at a time.

HVAC/Plumbing
HVAC/Plumbing
HVAC/Plumbing
HVAC/Plumbing
HVAC/Plumbing

+8

Avatar for Pump Systems Unlimited, Inc.
Pump Systems Unlimited, Inc.
4.8(
12
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Stevenson Ranch, CA and surrounding areas

In business since 2012

Free estimates

"Hector gave me a quote over the phone on Wednesday and made an appointment for the following day. He and Nathen showed up ready to work at 0830. They installed a new (1/2 hp) Sump Pump and Check Valve. The project took approximately 2.5 hours to complete. The site is now ready for the rain."
Response time1 day
Recommended by81%of homeowners
Avatar for Water Heaters Only, Inc
Water Heaters Only, Inc
4.7(
440
)
Sump Pump or Interior Foundation Drains - Install

Serving Stevenson Ranch, CA and surrounding areas

In business since 1968

Free estimates

Emergency services offered

"My name is Leslie Rothenberg. Tony installed a Bradford White water heater on 6/4/18 (invoice #97307). The price was reasonable, the installation was done at the time promised (actually a bit earlier) in a very professional manner, Tony couldn't have been nicer and more helpful, and our old water heater was hauled away. I used an Angie's List coupon to get a 5% (maximum $50) discount."
Our technician Fabian getting ready to drain a water heater.
A newly installed 40 gallon residential water heater.
A tankless water heater installed in a garage.
Additional Photos
Additional Photos

+2

Recommended by94%of homeowners
Avatar for Repipe Pro
Repipe Pro
5.0(
20
)
Sump Pump or Interior Foundation Drains - Install

Serving Stevenson Ranch, CA and surrounding areas

In business since 1991

Free estimates

Emergency services offered

"The owner of repipe pro met with us and provided the cost. He was very thorough with all that needed to be done. His staff came the next day and completed the job in about 5 hours. (we have a small house) They were very nice to work with took excellent care doing the job and clean up. We were very happy with repipe pros."
Recommended by100%of homeowners
Avatar for MightyServ
MightyServ
4.7(
385
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Stevenson Ranch, CA and surrounding areas

In business since 1963

Credit card accepted

"Canoga Park HVAC is exceptional. I had interviewed 3 other companies that gave me conflicting information. When Dave Shrode came out, he reviewed the proposals and explained what was and was not needed to be done, and why. He is extremely knowledgeable.. He oversaw the installation and followed up afterward. I have referred CPHtg&Air to my son who had a serious problem on a 3 yr old unit' Dave and the well trained tech team diagnosed and solved it. It is unusual to find a company cares greatly about their customers, I an extremely satisfied with my choice."
Additional Photos
Additional Photos
heating and A/C
Recommended by95%of homeowners
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Sump Pump Installation FAQs, answered by experts

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.

Repairs typically take 1-2 hours, while replacements, depending on accessibility, may require up to 4 hours.

The cost to repair a sump pump ranges from $400 to $550, depending on the extent of the repair and your location. Minor repairs, like fixing a switch or replacing a float, can cost just a few hundred dollars. However, more significant issues, such as motor replacement or addressing electrical problems, may cost closer to $550. Keep in mind that regular maintenance can help prevent costly repairs, and if a sump pump is beyond repair, a full system replacement ranges between $650 and $1,400.

The most common cause of a clogged sump pump is natural debris buildup. As water enters the sump pit, it can carry small pieces of debris that build up over time, or the debris can get caught in the filter. If you forget to cover the pit after cleaning the sump pump and pit, debris can also collect in the pit. Corrosion on the metal discharge pipe can also clog the pump. Additionally, if your pipes freeze, it can prevent water from draining properly and cause a clog.

Costs depend on pump type, labor rates, and the extent of repairs or installation needs.

The Stevenson Ranch, CA homeowners’ guide to sump pump installation services

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