Best plumbers in Ontario, CA
The highest-scoring plumber in and near Ontario is Steve's Plumbing Heating & Air Conditioning (score 89, 4.9 stars from 1,688 Google reviews). 37 companies meet the 5 Star standard within 25 km; the top 30 are ranked below.
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Steve's Plumbing Heating & Air Conditioning
Family-ownedFree estimatesEmergency serviceFinancing available89SCORE - 286SCORE
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Compare the top 10
| # | Company | Score | Google rating | Reviews | Years | Based in |
|---|---|---|---|---|---|---|
| 1 | Steve's Plumbing Heating & Air Conditioning | 89 | 4.9 | 1,688 | 38 | Upland |
| 2 | OneStop Plumbers - Plumbing and Leak Detection | 86 | 5.0 | 1,813 | – | Corona |
| 3 | J.I.G. Plumbing, Inc | 84 | 5.0 | 1,088 | – | Chino |
| 4 | Jim & Sons Plumbing & Rooter | 83 | 5.0 | 874 | – | Riverside |
| 5 | Dependable Rooter & Plumbing | 82 | 5.0 | 572 | – | Rancho Cucamonga |
| 6 | High speed rooter & plumbing | 82 | 5.0 | 566 | – | Ontario |
| 7 | Rooter Hero Plumbing | 80 | 4.9 | 1,780 | – | Pomona |
| 8 | Metz Air Control, Plumbing, Heating & Air | 80 | 4.9 | 1,200 | – | Chino |
| 9 | Tony's Plumbing & Rooter Inc. | 80 | 5.0 | 424 | – | Corona |
| 10 | Cisneros Brothers Plumbing | 79 | 4.9 | 788 | – | Riverside |
Plumbers in Ontario: quick answers
Who is the highest-rated plumber in Ontario, CA?
Steve's Plumbing Heating & Air Conditioning has the highest 5 Star Score among plumbers in and near Ontario: 89 out of 100, with a 4.9 star Google rating from 1,688 reviews.
How many 5 Star plumbers serve Ontario?
37 plumbers meet our standard within 25 km of Ontario: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 25,647 Google reviews between them, averaging 4.92 stars.
How are these plumbers ranked?
By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.
Plumbers near Ontario
- Chino, CA (69)
- Upland, CA (26)
- Corona, CA (39)
- Diamond Bar, CA (86)
- Riverside, CA (29)
- Anaheim, CA (111)
- Covina, CA (36)
- Brea, CA (92)
Other pros in Ontario
- HVAC companies (29)
- Electricians (19)
- Roofers (22)
- Garage door companies (18)
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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.