The Best Construction Company in Ontario

Compare top-rated construction providers in Ontario. Profiles include verified reviews, service details, and direct contact options.

Service providers

Home Services at The Home Depot

Open 6:00 AM – 10:00 PM

In Ontario, we're Home Services at The Home Depot – your dedicated team of contractors, electricians, flooring experts, garage builders, handymen,…

CGO Construction

CGO Construction

Open today

Open 9:00 AM – 5:00 PM

At CGO Construction in Ontario, we understand that navigating home renovations and construction projects can be a daunting task for homeowners. Wi…

SERVPRO of Northeast Ontario/Kaiser

In the heart of Northeast Ontario, we are more than just a water damage restoration service – we're your comprehensive home services partner. At S…

Blue Haven Pools & Spas

Open 8:00 AM – 4:00 PM

At Blue Haven Pools & Spas in Ontario, we specialize in creating and maintaining your dream backyard oasis. From concrete pool construction to rou…

Classic Kitchens, Etc.

Open 8:00 AM – 4:00 PM

At Classic Kitchens, Etc., we specialize as a general contractor in Ontario, providing exceptional remodeling services for your home's most vital …

Pure Eco Inc.

Pure Eco Inc.

Open today

Open 8:30 AM – 5:00 PM

At Pure Eco Inc., located in Ontario, we specialize in comprehensive home services that enhance comfort and energy efficiency. Our insulation cont…

MYCO Construction

MYCO Construction

Open today

Open 9:00 AM – 5:00 PM

At MYCO Construction in Ontario, we specialize in comprehensive home services, focusing primarily on roofing. Our team is dedicated to delivering …

Quick Water Restoration Damage Services

Open 24 hours

In the heart of Ontario, we are Quick Water Restoration Damage Services – your trusted partner in home restoration. Specializing in water damage r…

Garcon Construction, Inc.

Open 7:00 AM – 5:00 PM

In Ontario, we are Garcon Construction, Inc., a dedicated construction company that prides itself on delivering exceptional results for homeowners…

Haven Cleaning

Haven Cleaning

Open today

Open 24/7

In homes across Ontario, we understand the challenges that come with maintaining and enhancing living spaces. At Haven Cleaning, a construction co…

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Verified Construction in Ontario, CA

We show only active businesses that pass moderation. Results are specific to Ontario and nearby service areas, and inactive profiles are removed to keep the list current.

Real reviews for construction

Ratings and reviews come from customers who used the service. Compare construction pros in Ontario by experience, responsiveness, and value before you reach out.

Local-first search in Ontario

Filter by neighborhood, check locations on the map, and find providers close to home or work in Ontario. Listings are refreshed regularly — November 2026.

Around Ontario, including Rancho Cucamonga

The same listings in the closest cities — providers there often take jobs in Ontario too. Mileage is the approximate distance from Ontario.

A quick guide to Ontario

Looking for construction in Ontario? This page lists verified local providers with ratings, reviews, and contact options. We show active businesses only — profiles are moderated and updated by owners.

Compare pros by experience, price range, and customer feedback. Many providers offer free estimates or same-day service for common requests. Use filters and the map to find someone close to your address.

Before you hire

  • Read the most recent reviews for your specific type of job.
  • Ask about licensing and insurance when required for this trade.
  • Get a written estimate for work over a few hundred dollars.
  • Confirm availability and any trip or emergency fees upfront.

Tips & guides from GigoPro

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