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Ontario, CA

General Contractors in Ontario, CA · page 2

137 general contractors in Ontario, California, with Google ratings, hours and websites where the business has them.

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137 general contractors serving Ontario

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.

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Page 2 of 3 · 48 of 137 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.

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How general contractors in Ontario compare

General ContractorsOntarioCAU.S.
Average Google rating (10+ reviews)4.414.624.57
Median Google reviews668
Reviews for the top quarter13+18+22+
Have a website64.9%70.7%65.4%

Businesses listed in our directory, not every business in the market. Updated October 2026. General Contractors industry report · What is a good rating for general contractors? · Best cities for general contractors

From Page One Partner Research

  • In Ontario, half of the general contractors we list with reviews have 6 or fewer Google reviews, and 13+ puts one in the local top quarter; the average rating is 4.41 (131 listed in our directory). General Contractors industry report
  • A good Google rating for general contractors: in our directory, the median is 4.8 and at least a quarter hold a perfect 5.0. Half of them have 8 or fewer reviews. What is a good rating for general contractors?
  • California businesses in our directory average 4.52 stars on Google, ranking 22 of the 50 states we measured; 30.9% list no website. Ratings in every state

FAQ

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How businesses get here and how up to date everything is.

Yes. Page One Partner is a free directory of local service businesses across the United States. It costs nothing to search, and nothing for a business to be listed. Each profile is built from the business's public Google Business Profile, and an owner can claim, update or hide theirs at any time by contacting info@pageoneinsights.com.

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