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Contractors in Ontario, California

Our hand-picked list of 8 contractors serving Ontario, California. Compare contact info and request free quotes from local providers.

About Hiring a Contractor in Ontario

General contractors in Ontario should be licensed with the California contractor board and bonded. Always get a detailed written scope of work, payment schedule, and timeline before signing any contract.

Licensing & verification: General contractors are typically licensed at the state level with requirements varying by project size and type. In California, verify with the state contractor licensing board before hiring.

Top Contractors in Ontario

GARIBAY CONSTRUCTION SERVICES

10856 GRAND AVE

📞 (909) 268 ••••

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HAVEN KING CONSTRUCTION

11237 SURREY AVE

📞 (323) 621 ••••

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JE HOME CONSTRUCTION

10876 GRAND AVE

📞 (909) 704 ••••

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O&A CUSTOM WINDOW FASHIONS INC

10749 ROSE AVE

📞 (951) 836 ••••

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A A G PUMP SERVICES

1710 S HELEN AVE

📞 (909) 938 ••••

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A N D A

1330 S VINE PLACE

📞 (909) 226 ••••

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ABL CONTRACTING INC

401 E MAITLAND ST

📞 (909) 689 ••••

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ABOVEGROUND SOLUTIONS INC

864 E DUNES STREET

📞 (626) 634 ••••

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Contractors in Cities Near Ontario

Frequently Asked Questions

Where can I find contractors in Ontario, California?

Ontario, California has 8 contractors listed in our directory. GARIBAY CONSTRUCTION SERVICES is one option in the area. Use the list above to compare providers and request a free quote.

Are contractors licensed in California?

General contractors are typically licensed at the state level with requirements varying by project size and type. In California, verify with the state contractor licensing board before hiring. Ask any provider for their current license number and verify it with the state contractor licensing board before you hire.

How do I choose the right contractor in Ontario?

General contractors in Ontario should be licensed with the California contractor board and bonded. Always get a detailed written scope of work, payment schedule, and timeline before signing any contract.

Can I get a free quote from a contractor in Ontario?

Yes. Use our free quote form below — describe your project, and we'll match you with verified Ontario-area contractors who can provide written estimates. There's no obligation, and most providers respond within 24 hours.

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