Ontario, CA
22 plumbers in Ontario, California, with Google ratings, hours and websites where the business has them.
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Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.
Plumbers
Culligan Water of Ontario provides water treatment solutions for Indio and Palm Springs. Services include water softeners, reverse osmosis filters, whole house water filters, PFAS filters, salt-free water conditioners, ice machines, and water dispensers. The company offers free water analysis, salt delivery, and full-service maintenance for residential and commercial customers.
water softenerswater filtersRO systems
Ontario, CA4.7(793)Closed nowWebsite
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Ontario, CA5.0(345)Website
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Ontario, CA5.0(85)Website
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Ontario, CA5.0(37)Website
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Ontario, CA5.0(20)Website
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Ontario, CA5.0(18)Website
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Ontario, CA5.0(11)Website
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Pro Tech Plumbing is an emergency plumbing service in Ontario, California, staffed by plumbers with more than 15 years of experience. The company handles plumbing repair, emergency services, rooter work, sewer and drain cleaning, septic tank systems, aerobic septic systems, grease trap pumping, leak detection, and sewer line replacement. Service area includes Ontario and the greater Inland Empire and San Gabriel Valley. Seniors and veterans receive 10% off.
Emergency PlumbingPlumbing RepairDrain Cleaning
Ontario, CA4.6(9)Open nowWebsite
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Ontario, CA5.0(5)Website
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Ontario, CA4.7(4109)Website
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Ontario, CA5.0(2)Website
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Ontario, CA5.0(2)Website
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Ontario, CA5.0(1)Website
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Ontario, CA5.0(1)Website
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Ontario, CA
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Ontario, CA
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Ontario, CAWebsite
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Ontario, CA
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Ontario, CA
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Ontario, CA
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Ontario, CAWebsite
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Ontario, CAWebsite
22 of 22 shown. Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.
Top rated
Ranked by Google rating, then review count. Only businesses rated 4.5 or higher with 5+ Google reviews qualify.
5.0345 Google reviewsVerified
5.085 Google reviewsVerified
5.037 Google reviewsVerified
5.020 Google reviewsVerified
5.018 Google reviewsVerified
5.011 Google reviewsVerified
See every plumbers in Ontario sorted by rating · Best of Ontario across every trade
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22 plumbers serve Ontario, CA. 14 are rated 4.5 or higher on Google and 11 have a perfect 5.0. 17 have a website. Most common services: Drain Cleaning, Emergency Plumbing, ice machines, Leak Detection, PFAS filters, Plumbing Repair….
How Google categorizes plumbers in Ontario
Primary and secondary categories from each business’s Google Business Profile. Tap one to filter the list.
Services plumbers in Ontario list on Google
Service names as each business entered them on its Google Business Profile, with how many businesses list each one.
What reviewers mention
water quality (19) · water softener system (14) · ease of use (8) · filtered water (8) · reverse osmosis (7) · quick installation (6) · annual maintenance (5) · courteous technician (2) · reduced plastic waste (2) · reduced soap usage (2)
Topics Google extracted from customer reviews of plumbers in Ontario, with the number of reviews that mention each.
Featured
Paid placements, always labeled. They never change how other businesses are ordered.
More Local Services
Ontario, CAWebsite
Page One Partner Research
| Plumbers | Ontario | CA | U.S. |
|---|---|---|---|
| Average Google rating (10+ reviews) | 4.93 | 4.71 | 4.62 |
| Median Google reviews | 15 | 30 | 32 |
| Reviews for the top quarter | 73+ | 120+ | 128+ |
| Have a website | 77.3% | 73% | 71.2% |
Businesses listed in our directory, not every business in the market. Updated November 2026. Plumbers industry report · What is a good rating for plumbers? · Best cities for plumbers
From Page One Partner Research
Quick answers
Names and Google ratings, straight from each business's profile.
22 plumbers serve Ontario, CA. Highest rated (10+ reviews): Royalty Plumbing and Drain (Verified, rated 5.0 on Google from 345 reviews), High speed rooter & plumbing (Verified, rated 5.0 on Google from 85 reviews) and Hometown Plumbing Services (Verified, rated 5.0 on Google from 37 reviews), plus 19 more.
22 plumbers serve Ontario, California. 14 are rated 4.5 or higher on Google and 11 have a perfect 5.0. 17 have a website. Most common services: Drain Cleaning, Emergency Plumbing, ice machines, Leak Detection, PFAS filters, Plumbing Repair…. ZIP codes covered: 91762, 91761, 91764.
All Pro Plumbing Heating Air & Electrical (4,109 reviews, rated 4.7), Culligan Water of Ontario (793 reviews, rated 4.7) and Royalty Plumbing and Drain (345 reviews, rated 5.0). Review counts are read from each business's Google Business Profile.
Google lists them under Drainage service (1), Plumber (1), Septic system service (1), Water filter supplier (1), Water softening equipment supplier (1) and Water testing service (1). A business can carry more than one category, so the counts overlap.
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