4.5 
1.4k+ *The Angi rating for Sump Pump Installation companies in Walnut, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Sump Pump Installation needs.
*The HomeAdvisor rating for Sump Pump Installation companies in Walnut, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Sump Pump Installation needs.
Last update on September 29, 2025
Serving Walnut, CA and surrounding areas
Approved
In business since 1981
Free estimates
Emergency services offered
"great customer service from the time I called and spoke with a representative to the plumber that came out very helpful very respectful. I will definitely use this company again"
+542
Serving Walnut, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Emergency services offered
"It went well. I have to contact the city of Fontana before digging."
+26
Serving Walnut, CA and surrounding areas
Approved
In business since 1987
Free estimates
Emergency services offered
"Experienced serviceman. Good workmanship Sky did an excellent job start to finish. Performed gas pipe replacement with shut off , oven installation"
+30
Serving Walnut, CA and surrounding areas
Approved
In business since 1987
Free estimates
Emergency services offered
"Response was amazing and fast. Arrived on time and kept me fully informed. Professional with complete set of moisture/ leak detection tools. Answered all our questions. Would love to recommend them."
+70
Serving Walnut, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2011
Free estimates
Emergency services offered
"I had a last minute need for a kitchen faucet installation and was accommodated within 3 hours of making the call. Athen arrived within the time frame I was given, assessed the work area and product then began installation immediately. Everything was installed within an hour and the area was cleaned up before he left."
Serving Walnut, CA and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"Athen did an amazing job installing my utility sink. The job turned out to be bigger than what he quoted, but he kept the same price he originally quoted me. He went above and beyond to make sure the job was custom and solid . He was professional, courteous, and friendly. Highly recommend !"
Serving Walnut, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Emergency services offered
"Wesley was very professional and knowledgeable. He installed our disposal in less than an hour. His prices are competitive. If you have any plumbing issues, I highly recommend Rapid Rescue."
+18
Serving Walnut, CA and surrounding areas
Approved
In business since 2006
Free estimates
Emergency services offered
"The project was top notch and saved me hundreds off what another plumber's estimate. Anthony showed up on time and accommodated our schedule. I would definitely use his company again."
+6
Serving Walnut, CA and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Ontime, fast install. Good cleanup."
+36
Serving Walnut, CA and surrounding areas
Approved
In business since 2006
Free estimates
Emergency services offered
"I couldn’t be happier with the service I received. Ismael arrived right on time, immediately put me at ease, and took the time to clearly explain everything before and during the repair. What could have been a really stressful clogged drain issue turned into a complete anxiety-free experience thanks to his professionalism and calm approach. The work was done efficiently and thoroughly, and quickly. 10 outta 10 would definitely recommend! Thanks Ismael!"
From average costs to expert advice, get all the answers you need to get your job done.
Learn how much sump pump installation costs in Los Angeles, CA, including average prices, cost factors, and tips to save on your basement waterproofing project.
Discover how much sump pump installation costs, including average prices, key cost factors, and tips to save on your basement waterproofing project.
Sump pump replacement costs depend on the type of unit you have and the cost of labor, which varies by region. Read on to find out more about what to expect.
Learn how to hire a qualified sump pump installer with tips on finding pros, questions to ask, and what to expect during the installation process.
Licensed plumbers and basement waterproofers specialize in sump pump installations. Keep reading to learn more about who installs sump pumps near you.
If something seems off with your sump pump, follow this guide to learn how to check if your sump pump is working (and what to do if it’s not).
