4.7 
771 *The Angi rating for Sump Pump Installation companies in Deforest, WI 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 Deforest, WI 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 February 27, 2026
Serving Deforest, WI and surrounding areas
Approved
In business since 1987
Emergency services offered
Warranties offered
"I had a flood due to a sump pump failure. They sent their technician out within hours and he replaced the pump which was overflowing within an hour. Other companies were not able to show up for days. I couldn't speak more highly of this company!!!!!"
Serving Deforest, WI and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Had vanity too replaced and needed new faucet installed. I was able to coordinate time when granite was installed with plumber coming shortly after. Communication went very well. Knowledgeable and professional plumber and fair price."
Serving Deforest, WI and surrounding areas
Approved
In business since 1984
Free estimates
Credit card accepted
"I purchased a new HVAC system from Cardinal. Everything about the job went as planned, in the amount of time we were promised. The installers were professional and cleaned up the work space very well when they were finished. I would use Cardinal again without hesitation."
Serving Deforest, WI and surrounding areas
Approved
In business since 2018
Free estimates
Warranties offered
"Lucas was amazing to work with. Got us a deal on a new kitchen sink and offered a match on the faucet when we found it cheaper elsewhere. Very prompt and excellent service. Will definitely hire again in the future."
+9
Serving Deforest, WI and surrounding areas
Approved
In business since 1985
Free estimates
Customers say: Quality work
"Work was done very well
"
+1
Serving Deforest, WI and surrounding areas
Approved
In business since 2005
Free estimates
Warranties offered
At Southport Plumbing, Heating & Cooling, we take pride in delivering excellence at every level. We maintain an A+ rating with the BBB, and our technicians are NATE-certified, meeting the highest national standards in the HVAC industry. As a Carrier® Factory Authorized Dealer, were recognized for our technical expertise and commitment to quality. We were also recently named a top medium-sized workplace by the Milwaukee Journal Sentinel a reflection of how seriously we value and invest in our team.\n
+4
Serving Deforest, WI and surrounding areas
Approved
In business since 2023
Free estimates
Offers commercial services
Welcome to Adler Plumbing, LLC! In business since 2023, we are a full service plumbing company who takes great pride in the quality of our work and guarantees customer satisfaction. We specialize in all service and repair for both residential and commercial properties, and no job is too big or too small. Serving Cross Plains and its surrounding areas, be sure to give us a call today!
Serving Deforest, WI and surrounding areas
In business since 1974
Free estimates
Warranties offered
"I'll always call Aaron when I need plumbing, whether new install or repairs. He's prompt and does what he says he'll do. He came fast when we needed work urgently"
Serving Deforest, WI and surrounding areas
In business since 1913
Free estimates
Credit card accepted
"Timely and worked to get installed quickly!"
+3
Serving Deforest, WI and surrounding areas
In business since 1972
Free estimates
Credit card accepted
"Called early on a Friday morning. Scott was here within 90 minutes and sent a crew that afternoon. Water heater installed within 8 hours of initial call. Great customer service. Thank you for getting me back to normal so quickly!!!"
From average costs to expert advice, get all the answers you need to get your job done.
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.
Sump pump battery backup costs depend on the type and the design of the system purchased. Follow this guide to learn how to budget for your backup battery.
Licensed plumbers and basement waterproofers specialize in sump pump installations. Keep reading to learn more about who installs sump pumps near you.
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.
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).
