*The Angi rating for Well And Pump Service companies in Walnut, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Well And Pump Service needs.
*The HomeAdvisor rating for Well And Pump Service companies in Walnut, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Well And Pump Service needs.
Last update on July 17, 2026
Serving Walnut, CA and surrounding areas
Approved
In business since 2019
Free estimates
Offers commercial services
"I called Devin at 9:00pm for Very emergency call and he came to my house fixed my well issue. Very appreciate !"
Serving Walnut, CA and surrounding areas
In business since 2012
Free estimates
"Hector did a well site evaluation. He is professional and he understands that I know very little about pump systems. I would recommend him. Very reasonable price."
Serving Walnut, CA and surrounding areas
In business since 2020
Free estimates
Small jobs welcome
"This is feedback regarding AAG PUMP SERVICES. My wife and I were very pleased and impressed by the service provided. Armandoâ s expertise in fixing our front water fountain was greatly appreciated. He quickly diagnosed the problem and professionally handled it. He genuinely cares about the job at hand, is extremely knowledgeable, reliable and we would highly recommend him to anyone having issues with their wells. I will definitely retain his information for any future issues. Armando is an excellent representative for AAG Pump Services. Thank you for a job well done."
Serving Walnut, CA and surrounding areas
In business since 1963
Credit card accepted
"Very well. Me Gregg Castro was very efficient and explained what he was doing and installed the space Age Air UV Scrubber expertly. Have been a Canoga Heating Maintenance subscriber for 45 years."
Serving Walnut, CA and surrounding areas
In business since 1989
"When they came to the house, they were very honest. I had a plumbing problem that they could’ve easily told me you need to do it now, but they really worked with me and kind of advised me on what I need to do long-term if I couldn’t do the work now and it worked and helped me save a bundle of money. The quality of the work have always been great."
Serving Walnut, CA and surrounding areas
In business since 2023
Free estimates
Emergency services offered
"Mario a professional and super friendly helped with my water pipe problem and he fixed it fast"
Serving Walnut, CA and surrounding areas
In business since 2013
Free estimates
Emergency services offered
"It went fine and they were very professional. The owner of the company is very responsive, they were reachable and figured out what was wrong. The customers came first and they responded very well."
+76
Serving Walnut, CA and surrounding areas
In business since 2008
Free estimates
Emergency services offered
"We recently purchased our 3rd home and our copper lines in our entire 5000 sq ft home needed to be repiped . I reached out to express plumbing after a referral from a colleague . I can not express enough my comfort and trust I felt with this team . My wife had so many changes and adjustments and they always listened and executed every time .Quality craftsmanship, on time everyday and a pleasure to work with . There are many plumbers out there that claim to be the best but look no further, I ensure you your in great hands"
+10
Serving Walnut, CA and surrounding areas
In business since 2000
Free estimates
Emergency services offered
"They were great! Our well water is usable and this is the best system out there!"
+9
Serving Walnut, CA and surrounding areas
In business since 2004
Free estimates
Emergency services offered
"I used this company for three years. They knew what they're doing. They respond really quickly and everything went well. They work really good."
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