4.6 
2k+ *The Angi rating for Plumbing companies in Ontario, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Plumbing needs.
*The HomeAdvisor rating for Plumbing companies in Ontario, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Plumbing needs.
Last update on May 18, 2025
Serving Ontario, CA and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"Plumber John from JIG Plumbing was professional, efficient, and hard-working. We were very pleased with the final result."
+8
Serving Ontario, CA and surrounding areas
Approved
In business since 2006
Free estimates
Emergency services offered
"Isaac with Dynasty plumbing was a lifesaver. He was knowledgeable, friendly, and so helpful!! I am so grateful to have found him, and any future plumbing issues, I will go to Isaac first!"
+14
Serving Ontario, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"I am in a Tenant vs Landlord/Property owner Small Claims Suit. I required a plumber to verify if there was several leaks in the house I am renting. EC Plumbing found additional problem areas of plumbing within the house."
+110
Serving Ontario, CA and surrounding areas
Approved
In business since 1981
Free estimates
Emergency services offered
"Excellent service. The plumber, Tony, was very friendly and helpful. He went above and beyond to help restoring the plumbing I took apart myself. A thumb up! I will use the service again!"
+542
Serving Ontario, CA and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
"Two really great qualified plumbers. They knew their stuff! I would/ will call on SoCal Plumbing again!!"
Serving Ontario, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"Definitely impressed Drew is an awesome human being and phenomenal plumber and drain specialist!!! We were having to go to our neighbors house to use the restroom as our sewer line was backing up for more than a week. Drew came out after hours and within hours of the inspection, he had me and my family sitting back in our own restroom in comfort. Not only did he get our sewer flowing but he did it with all new sew line installed. I will definitely be calling him for the future plumbing issues!!! We are forever grateful and will be a customer for life!!!! Call Service Flow plumbing!!!"
+81
Serving Ontario, CA and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"This young man is living proof that you should not judge a book by itâ s cover . When he first arrived to my site I assumed he would be inexperienced because of how young he looks , but man was i wrong . . Heâ s one talented guy. Great work ethicâ s and knows just how to get the job done right . I had him dig all my trenches for my plumbing lines and he did a nice job grading everything. I litterally just had to come in and shade the trench with some sand . He also knows a lot about plumbing . I had some plumbers out on my job and it turns out the guy i hired to grade my trenches was a better plumber then the plumbers i hired to plumb!! 5 stars . Will definitely be calling him back out on the next one ."
+16
Serving Ontario, CA and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"Very well. My go to plumber from now on."
+57
Serving Ontario, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Emergency services offered
Warranties offered
"The Job was done right, at a fair price. The plumber was friendly, knowledgeable and very professional. We will definitely recommend to anyone looking for a fairly priced plumber who does a great job. We will definitely use him again in the future."
+6
Serving Ontario, CA and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"The plumber came the day I contacted them, fixed my plumbing problems quickly and at a reasonable price"
+36
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