Plumbers in Ontario, CA
Compare 29 plumbers in Ontario by HomeProFax Score v2 (license, discipline, permits, BBB + HomeProFax reviews). Always verify license status with the issuing board before hiring.
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Plumbing Contractor · 10 permitsActive license Score 88 Full reportP V & C Plumbing And Piping Inc
Plumbing Contractor · 77 permitsActive license Score 88 Full reportReed's Plumbing
Plumbing Contractor · 13 permitsActive license Score 88 Full reportSpecialist Plumbing The
Plumbing Contractor · 58 permitsActive license Score 88 Full reportG & G Plumbing
Plumbing Contractor · 6 permitsActive license Score 83 Full reportGrace Rooter And Plumbing
Plumbing Contractor · 1 permitsActive license Score 78 Full reportA 2 Z Plumbing
Plumbing ContractorActive license Score 73 License record Score based on limited dataAmerican Jetting Services Inc
Plumbing ContractorActive license Score 73 License record Score based on limited dataBaumann Waterworks
Plumbing ContractorActive license Score 73 License record Score based on limited dataDylan's Plumbing Group Inc
Plumbing ContractorActive license Score 73 License record Score based on limited dataElias Plumbing
Plumbing ContractorActive license Score 73 License record Score based on limited dataFlow Dynamics Inc
Plumbing ContractorActive license Score 73 License record Score based on limited dataG & S Reasonable Plumbing / All Tech
Plumbing ContractorActive license Score 73 License record Score based on limited dataIn And Out Plumbing
Plumbing ContractorActive license Score 73 License record Score based on limited dataJ M E Plumbing Inc
Plumbing ContractorActive license Score 73 License record Score based on limited dataLvl Up Plumbing Inc
Plumbing ContractorActive license Score 73 License record Score based on limited dataNelissen Plumbing
Plumbing ContractorActive license Score 73 License record Score based on limited dataOrange Independent Plumbing Services
Plumbing ContractorActive license Score 73 License record Score based on limited dataPro Rooter Guys Inc
Plumbing ContractorActive license Score 73 License record Score based on limited dataPro Tech Plumbing
Plumbing ContractorActive license Score 73 License record Score based on limited dataRoyalty Plumbing Inc
Plumbing ContractorActive license Score 73 License record Score based on limited dataRuvico Inc
Plumbing ContractorActive license Score 73 License record Score based on limited dataSafford Plumbing
Plumbing ContractorActive license Score 73 License record Score based on limited dataShowtime Family Plumbing & Rooter Inc
Plumbing ContractorActive license Score 73 License record Score based on limited dataSts Plumbing & Rooter Inc
Plumbing ContractorActive license Score 73 License record Score based on limited dataVargos Plumbing & Sewer Inc
Plumbing ContractorActive license Score 73 License record Score based on limited dataWater Solutions
Plumbing ContractorActive license Score 73 License record Score based on limited dataWest Coast Plumbing
Plumbing ContractorActive license Score 73 License record Score based on limited dataAlpha Omega Plumbing
Plumbing ContractorActive license Score 53 License record Score based on limited data
How to hire in Ontario
Check the license is active, look at permit history for jobs like yours, read the BBB and HomeProFax review components in the score breakdown, and use the outbound Google/BBB links on each profile to cross-check external reviews (we link out — we do not store Angi, Yelp or Google ratings).
Plumbers in Ontario — common questions
How do I check if a Ontario contractor is licensed?
Open any profile above to see its license status, issuing board and expiry date from public records, then verify it with the California licensing board before you hire. You can also search a business name or license number on HomeProFax.
How many plumbers are listed in Ontario?
This page lists 29 plumbers in Ontario, ranked by HomeProFax Score v2.
What does the HomeProFax score mean?
The score (0-100) sums license status (35), discipline and legal flags (20), permit history (20), and BBB plus HomeProFax homeowner reviews (25). It is not a rating of workmanship. See how scores work.