Write a review
Sign up
From $50
Up to $500
Closed until Mon, 9:00 AM
At CGO Construction in Ontario, we understand that navigating home renovations and construction projects can be a daunting task for homeowners. Wi…
The Best General Contractor Company in Ontario
Compare top-rated general contractor providers in Ontario. Profiles include verified reviews, service details, and direct contact options.
Service providers
From $50
Up to $500
Closed until Sat, 8:00 AM
In the heart of Ontario, we are Ontario General Contractors - your reliable partner for comprehensive home improvement projects. We specialize in …
From $50
Up to $500
Closed until Mon, 8:00 AM
At VLP Design Build in Ontario, we specialize as general contractors, transforming your vision into reality. Our expertise encompasses a wide rang…
From $50
Up to $500
Closed until Sat, 5:00 AM
In the heart of Ontario, we are Groundworks – a dedicated team specializing in comprehensive home improvement services. With our expertise spannin…
From $50
Up to $500
Closed until Mon, 8:00 AM
At Classic Kitchens, Etc., we specialize as a general contractor in Ontario, providing exceptional remodeling services for your home's most vital …
From $50
Up to $500
Closed until Mon, 8:00 AM
At HDC Construction Inc., in Ontario, we specialize in comprehensive general contracting services. Our expertise lies in transforming your residen…
Spotted an error? Let us know
Verified General Contractor 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 general contractor
Ratings and reviews come from customers who used the service. Compare general contractor 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 — October 2026.
Nearby cities from Ontario, CA
The same listings in the closest cities — providers there often take jobs in Ontario too. Mileage is the approximate distance from Ontario.
- Rancho Cucamonga 3.3 mi
- Montclair 3.6 mi
- Chino 3.7 mi
- Upland 3.9 mi
- Pomona 5.0 mi
- Claremont 5.5 mi
- Eastvale 6.4 mi
- Mira Loma 6.8 mi
- Jurupa Valley 7.0 mi
- Corona 7.3 mi
- Chino Hills 7.5 mi
- Fontana 8.3 mi
Working with pros in Ontario
Looking for general contractor 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
View all articles-
Electric Motor Repair: Rewind, Rebuild, and When to Replace
When a pump hums and dies, a blower seizes, or a shop tool motor smokes, the fork is simple to say and hard to price: rewind/rebuild at a motor shop, or buy a new motor (or new eq…
Read more -
Vacuum Cleaner Repair: The Complete Guide
Retail default is "buy another vacuum." Specialty vacuum shops exist because a Miele, SEBO, Kirby, Rainbow, or even a mid-tier upright with a dead belt and clogged hose is often a…
Read more -
Small Appliance Repair: When It's Worth Fixing and How to Hire
Most "small appliance" advice on the internet is one sentence: throw it away. That advice is correct for a $25 blender and wrong for a KitchenAid stand mixer, a commercial espress…
Read more
General Contractor feedback from Ontario residents
-
Isa Riv
Awful customer service. An angry male answered the phone and hung up without even listening to customer's need.
-
Ethan Turner
We live in Ontario. After comparing options, we called Ontario General Contractors for Home Remodeling. Their expertise was obvious from day one. They kept us updated at every step. A reliable team we're glad we.
-
Nathalie Rodgers
Our home had started to feel outdated, but the renovation changed that completely. Now the entire space looks brighter and far more attractive.
-
Tyler Bennett
This contractor managed our home project with great professionalism. The team coordinated different tasks efficiently. Communication was clear throughout the entire process. The finished work looks excellent. I highly recommend their services.
-
Keisha Brown
Our home renovation was handled perfectly by this contractor. The team stayed organized and delivered excellent craftsmanship.
-
Chloe Rodriguez
This contractor completed our renovation project on time. The results look modern and well finished.
