4.8 
39 *The Angi rating for Sewer Cleaning companies in Diamond Bar, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Sewer Cleaning needs.
*The HomeAdvisor rating for Sewer Cleaning companies in Diamond Bar, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Sewer Cleaning needs.
Last update on May 13, 2026
Serving Diamond Bar, CA and surrounding areas
Approved
In business since 2011
Free estimates
Credit card accepted
"Prompt professional clean and trustworthy"
Serving Diamond Bar, CA and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"The Sewer Boyz did a fantastic job, the owner Jonathan is very professional on his work and much patience explaining in detail the process. In the past, he’s also done major plumbing, sewer repairs at our rentals. He is very professional and is very clean after all the work is completed. I recommend Sewer Boyz for any plumbing issues anyone might have. Thank you Sewer Boyz for all the hard work you have done for us.."
Serving Diamond Bar, CA and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"Mike was early and performed all the work then cleaned up."
+8
Serving Diamond Bar, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Free estimates
Emergency services offered
"Very professional very knowledgeable. He stays till the job is done. Cleans up after himself after the job is done very neat."
Serving Diamond Bar, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2018
Free estimates
Emergency services offered
"HomeX Plumbing and Rooter is a great company. Address all our plumbing issues in the kitchen and the bathrooms. We also needed to replace a sewer pipe. Very professional and took the time to answer all our questions. They were always on time and did great work. Our workers Eddie, Roger and Mario were awesome. Really great guys to work with. Would definitely recommend HomeX for all your plumbing needs."
+9
Serving Diamond Bar, CA and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"We had a major sewer main blockage at our home and it turned out to be caused by heavy root intrusion. Mike, the technician, did an excellent job diagnosing the issue quickly and explaining everything in a way that was easy to understand. He showed us what he found and recommended hydro jetting to properly clear the line. Mike was very professional, thorough, and made sure the sewer line was completely cleaned out before finishing. The hydro jetting worked perfectly and everything has been flowing great since. On top of that, the price was very reasonable for the amount of work and the level of service we received. I really appreciate the honesty, quality work, and peace of mind. Highly recommend Mike if you?re dealing with a sewer blockage!"
Serving Diamond Bar, CA and surrounding areas
Approved
In business since 1987
Free estimates
Emergency services offered
"Great - the crew showed up within 24 hours and tested and removed many precious items to be cleaned. Returned everything including military uniforms in brand new condition!"
+70
Serving Diamond Bar, CA and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
"By far my best experience with a plumbing co. They responded quickly, explained the procedure and problems clearly and cleaned up well after. Very experienced and very reasonable pricing!"
Serving Diamond Bar, CA and surrounding areas
Approved
In business since 2019
Emergency services offered
Small jobs welcome
"David and his crew were Amazing! I had a backed up sewer pipe that ended up being broke ! Him and his team fixed it fast and at a great price! I would recommend OcxLa plumbing to everyone"
Serving Diamond Bar, CA and surrounding areas
Approved
In business since 2007
Emergency services offered
Warranties offered
"They saved me a lot of money by partially lining my main sewer line when another plumber said it could not be done. They definitely know their business and are good communicators."
+1
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