Onyx General Contracting

13 reviews rating Write a review

This Windsor area general contractor is rated 4.8 from 13 reviews with a TrustScore of 3.4. Services offered include home improvement, home addition and kitchen work. Read their reviews, ask about license and insurance information, and request a quote.

Contact Details

Contact Onyx General Contracting

519-992-4011 |Website 9355 Malden Rd, Windsor ON N9J 2V9

13 Customer Reviews

Rating of 4.8 / 5 from 13 Reviews

4.8 4.8

Onyx General Contracting began operations in 2020 and has received 13 reviews for an overall customer rating of 4.8. The average rating for businesses providing similar services in the Windsor area is 2.5. Write a review

Overall Rating Summary

Quality of Work Quality 4.8
Timeliness Timeliness 4.7
Cleanliness Cleanliness 4.8
Budget Budget 4.8
Communication Communication 5.0
Courteous Courteous 5.0

Rating Distribution

Very Good

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Onyx General Contracting has a TrustScore™ of 3.4. The average TrustScore™ for other businesses providing similar services in Windsor and the surrounding areas is 2.7. For detailed information on how TrustScore is calculated, click here to learn more.

TrustScore 3.4 / 5.0
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The following elements are used to calculate TrustScore:

Customer Reviews Last 12 Months All Time
Total Received 4 16
Approved 4 13
Unverified 0 3
Suspicious 0 0
Overall Rating 4.7/5 4.8/5
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Complaints Received Last 12 Months Last 3 Years
Suppliers & Creditors 0 0
Employees & Sub-Contractors 0 0
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Posted License Information Not yet provided
Posted Liability Insurance Not yet provided
Posted Workers Compensation Not yet provided
Company Website Yes
Social Media Profiles Not yet provided
Endorsed by Peers Yes
In Business Since 2020
Member of TrustedPros Since 2020

TrustedPros does not validate certain information provided by contractors and vendors in conjunction with the creation or maintenance of their profile and we cannot endorse or guarantee the performance of any contractor. TrustScores are provided for informational purposes only. We urge you to use the TrustScore™ in conjunction with the tips provided in our Hiring Guide to maximize the probability of hiring the best professional for you project.


Onyx General Contracting has been recognized for their skills and expertise by their peers in the following categories

1 Endorsements for Basements
Endorsed by: Streamline Electric

I have worked with Onyx General contracting for years. They do good business, are respectful, on time, and straight forward on every job. Awesome attention to detail, and you can tell they take pride in every job they do. I would absolutely recommend anyone to use Onyx General Contracting for any big or small projects.

Other Services Offered

Basement Lowering, Basement Renovations, Bathroom Renovations, Carpentry, Carpeting, Caulking, Ceiling, Commercial Renovations, Concrete Work, Countertops, Decks, Demolition Work, Design Build, Drywalling, Electrical, Excavation Services, Fencing, Fireplaces, Floor Heating, Floor Refinishing, Flooring, Foundation Repairs, Foundations, Framing, Garage Construction, Garage Doors, Gas Lines, Gutters, Heating & Air Conditioning, Home Construction, Home Restoration, Insulation, Land Clearing, Landscaping, Masonry, Mold Removal, Painting, Paving, Plastering, Plumbing, Roofing, Sewer Services, Shed Construction, Siding, Skylights, Stonework, Stucco, Sunrooms, Swimming Pools, Tiling, Tree Services, Wallpapering, Water Heating, Waterproofing, Windows and Doors, Wrought Iron

Overview Continued


This Windsor area general contractor is rated 4.8 from 13 reviews with a TrustScore of 3.4. Services offered include home improvement, home addition and kitchen work. Read their reviews, ask about license and insurance information, and request a quote.

Additional Information

Main contact(s) Nathan Tenthorey
Listed with TrustedPros since: 2020
Residential work
Commercial work
Warranty We offer a 1 year warranty on all labour done by our company. All materials used are brand new and if applicable carry a manufacturer warranty. If you ever have an issue arise within that 1 year we will repair any damage done that was caused by the work we completed for you.
Accepts credit cards
Year established 2020
Offers financing
24 Hour emergency service
Legal structure Incorporated
Licensing information Contact Onyx General Contracting to request licensing info.
Insurance information Contact Onyx General Contracting to request insurance details.

Check local laws pertaining to license requirements and verify license and insurance details provided by the contractor prior to hiring.


Onyx General Contracting has contributed 1 responses to the following questions posted in the 'Ask the Pros' forum


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