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Some of our top rated general contractors in Thornhill, Ontario

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Tom Painting
Rating: 4.3 out of 5
General contractor in Thornhill, Ontario
Tom Painting can help you with your interior painting, exterior painting, install or replace roof, wallpaper room, remove wallpaper, repair kitchen cabinets, decorative painting, repair or transform furniture & small staining or painting project request in Scarborough and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with Tom Painting now to discuss your needs and arrange a quote.
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Latest review:
Exterior painting- 10 Jun 2026
Pro didnt feel well partial work completed but satisfied with front of house high windows
Noahcanadian heating cooling
No reviews yet
General contractor in Thornhill, Ontario
Noah Canadian Corp is a trusted HVAC company serving Richmond Hill and the Greater Toronto Area. We specialize in installation, repair, and maintenance of furnaces, air conditioning systems, heat pumps, and ventilation systems. Our goal is to deliver reliable, efficient, and high-quality service for every customer. With professional tools and hands-on experience, we focus on fast response, honest pricing, and customer satisfac
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ACD Landscaping
No reviews yet
General contractor in Thornhill, Ontario
Hi, I’m Serhii. I design and build fences, decks, pergolas, and sheds - everything you need to turn your outdoor space into a place you love. Whether you’re looking for more privacy, a cozy spot to relax, or extra storage I’ve got you covered with high-quality craftsmanship and reliable service.
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Sha-Monique Construction
Rating: 4.8 out of 5
General contractor in Thornhill, Ontario
Toronto based home renovations company that provides Fair friendly Solutions and Services For over 9 years, Sha-Monique Construction has been transforming the heart of your home with stunning, high-quality renovations. Our expert team specializes in modern kitchens and luxurious bathroom. Custom designs, quality materials, and flawless finishes every time.
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Latest review:
Install or replace curtain rails- 22 Feb 2025
Sheldon was amazing to work with. He took the time to ensure that he did the job right. I hired him to install ikea curtain tracks, and he even went to ikea with me to ensure that we had the correct parts. He came to do the work during the days we had major snowfalls. He is extremely reliable, detail oriented, and extremely professional. He was also very prompt in completing the work
Megacity Paving & Patching Inc.
Rating: 5 out of 5
General contractor in Thornhill, Ontario
Best of the Best 2025
Best of Awards 2026
Welcome to Megacity Paving and & Patching Inc. We Specialize in Asphalt Paving & Repairs, Concrete & Stone work all over the GTA. We use only premium grade hot asphalt and only the best materials. All estimates are FREE and, unlike other companies, we have NO minimum charge!
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Latest review:
Paving- 29 May 2026
Work was completed on time as scheduled, they did a great job very satisfied and would use them for other jobs
JADESCAPES
New on HomeStars
General contractor in Thornhill, Ontario
We are a landscaping interior and exterior design company that has 20 years of experience. We do cleanups,planting flowers, shrubs and trees. Deweed flower beds, soil and mulch. Excavation, Build swimming pools, retaining walls, flag stones, Natural stones, Powerwashing Decks/Fences aswell as repairs. Painting/Staining decks/fences aswell as interior and exterior painting of houses. Building Decks,Fences, stairs and railings. Free Estimates!!!!
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Q9hvac
No reviews yet
General contractor in Thornhill, Ontario
Professional HVAC technician serving the GTA with reliable installation, repair, and maintenance services. I specialize in furnaces, air conditioners, thermostats, ductwork, and troubleshooting system issues. I provide clear quotes, fair pricing, and fast response times through Jiffy. My goal is to deliver clean, safe, and efficient work while making sure homeowners feel confident and informed throughout the job. Quality workmanship and dependable service you can trust.
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Grey Diamond Construction
No reviews yet
General contractor in Thornhill, Ontario
Hi this is Arian I have eight years experience in carpentry and home renovation and restoration
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Gold Seal Caulking
Rating: 4.9 out of 5
General contractor in Thornhill, Ontario
Gold Seal Caulking is a leader in the caulking industry. Providing professional high quality work with extensive knowledge of products and correct applications for both exterior and interior. With this skill set and our 10 year warranty coverage we are able to offer our customers a lasting product for many years. If your in need of window caulking, door caulking, or any other structural caulking work for exterior or interior, Gold Seal Caulking is your answer!
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Latest review:
Install, repair or replace caulking- 7 Oct 2025
Old caulking removed. New, thick beads of caulking installed. Price was very reasonable. Highly recommend. This is my second time working with Gold Seal.
JnC properties
No reviews yet
General contractor in Thornhill, Ontario
Landscape design and construction, patios, fences, driveways, masonry and general contracting and construction services
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Monaco Interiors
Rating: 5 out of 5
General contractor in Thornhill, Ontario
Monaco Interiors works in both commercial and residential design. From complete renovations and home build, office design, and project management, and simple home decorating projects in homes, condominiums, office spaces, and hotels. Join us on Instagram at monaco_interiors or our FB Page Monaco Interiors Full-service interior design/decor company, kitchens, bathrooms, flooring, and renovations. Custom drapery, blinds, shutters. Custom furnishings, bedding, reupholstery, framing, accessorizing and pre-listing design consultation. All of our trades are WSIB compliant and have a full insurance package.
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Latest review:
We initially engaged Monaco looking for a designer for a major reno but decided to hire them for the whole job (design/architecture + construction) because Revi appeared knowledgeable, and it seemed like a good idea to hire one team to do it all. It started off well but was ultimately an incredibly frustrating experience. It has now been a year since completion, so weve had a chance to live in our new home and reflect. The construction began on schedule. Nine days after they began, demolition was completed, the support beam was in place, the new walls were framed out, the utilities were run, and all the initial permits were closed. At that point, we were very optimistic. The core construction team, led by Steven, was competent. As a result, a year later, there have been no structural issues. The problems started to mount when we got to the finishings. There were two major sources of problems mediocre sub-contractors, and Revis disinterest in our project and argue now, fix later attitude. It became clear that Revi had delegated our job to her assistant (without informing us prior to signing the contract) and did not feel a sense of ownership of our job. There were several large mistakes made throughout construction incorrect kitchen cabinetry, backsplash tiles, interior doors, hardware, mismatched stain on the stairs and landings, amongst others. While we were sold on a process that focused on quality assurance, we found ourselves doing the job for them, and the most frustrating part was that each time we found a mistake, there would always be an argument before it was fixed. The mismatched stairs incident is the best example of this. We pointed out from the day it was done that there was a problem with the colour to anyone who would listen. Instead of coming and seeing it with her own eyes, Revi argued with us for two weeks by email, citing the contract that said the stairs/landing may not be a perfect match to the flooring, questioning whom we informed (it was everyone), claiming that it couldnt be fixed Until she saw it with her own eyes and immediately recanted. So much stress could have been saved if she had just taken ownership of our job. It felt like she did not get to know us to the extent necessary to do a good job. For example, she had our house painted in a beautiful high end matte paint that looks great and wears terribly. This would have been a good choice for a larger home or one without children, but in our small and spirited house, it looks dirty and needs repainting a year later. Then there were the problems with sub-contractors. I had a month of stress because the electrician, to get out of 30 minutes of work, claimed that our ceiling fans could not be wired the way they had been safely wired for years prior, and Revi argued back and forth, telling us her contractor wouldnt do it because it could cause a fire .. until we got another licensed electrician to write a statement saying she was wrong. Similarly, before paying Revi an additional amount to have her painter fix water staining around our skylights, we paid her roofer to inspect to ensure there was no active leakage. He inspected three times during the reno (once for a separate issue) and found none of the glaring issues which caused leaking within months, damaging our newly finished ceilings. Since the construction ended last summer, we have reached out with several issues and most have been dealt with. However, we were not able to solve the problems caused by the aforementioned leaking due to repeated incompetence by their roofing contractor. In trying to get her to remedy this, she once again cited the contract without understanding the situation, and then finally offered to fix it, but in her offer included an insane ChatGPT generated agreement that sounds like a fake lawyer wrote it, that says she will fix it if we promise not to reflect upon our experience publicly. And because my silence is worth more than some ceiling repairs and paint, we are here today telling you we would not hire her again.
Angela Kim Leca
New on HomeStars
General contractor in Thornhill, Ontario
We provide professional roofing, masonry, foundation repair, and basement waterproofing services designed to protect and improve residential and commercial properties. With years of hands-on experience, we deliver dependable solutions for everything from roof repairs and replacements to brickwork restoration, foundation crack repairs, and waterproofing systems. Our team is committed to quality craftsmanship, durable materials, and exceptional customer service on every project. Whether you're dealing with a leaking roof, damaged masonry, foundation issues, or basement water intrusion, we have the expertise to restore your property's safety, appearance, and value. We take pride in completing every job with attention to detail, honest communication, and long-lasting results you can trust.
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Livejunkfree.ca
No reviews yet
General contractor in Thornhill, Ontario
Live junk free offers professional junk removal services tailored to your needs. Our team efficiently removes unwanted clutter,leaving your space clean and organized. We Provide Residential junk removal Commercial junk removal Demolition Hoarding cleanout Live junk free Guarantees Same Day/Next Day Removal Transparent and Honest Pricing 100% Customer Satisfaction On Time Arrival
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AJ landscaping
Rating: 4.9 out of 5
General contractor in Thornhill, Ontario
operate a multi-service business specializing in landscaping and outdoor improvement services. My core offerings include tree removal, paving, and a wide range of handyman services for residential and commercial clients. In addition, I provide delivery services for materials and equipment, ensuring timely support for various projects. With a hands-on approach and a commitment to quality, I help clients enhance and maintain their properties efficiently and professionally.
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Latest review:
Remove or trim tree- 10 Jun 2026
Completely amazing. Called within MINUTES. Job quoted within hours, and job completed soon afterward. Extremely communicative, fast, friendly and efficient. Great work. We would absolutely hire him again.
TheTurfMasters Construction INC
Rating: 5 out of 5
General contractor in Thornhill, Ontario
TheTurfMasters Landscaping is a dependable landscaping contractor helping homeowners and businesses keep their outdoor spaces clean, healthy, and inviting. From routine lawn care and seasonal cleanups to planting, mulching, and complete landscape design, our team delivers quality workmanship with neat, professional finishes. We take pride in clear communication, consistent scheduling, and details that make a property look its best-every visit, every season. Whether you need ongoing maintenance or a fresh new look for your landscape beds, we provide practical solutions that fit your property and goals.
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Latest review:
Lay lawn or sow grass- 24 May 2026
Tony and his team had an excellent job on our front yard. They removed the old grass and put new sod. It looks very green now. They were able to get rid of the weeds. They finished the job earlier than we expected and the price was also very reasonable. I will surely recommend them to other people.
Dana Builder
No reviews yet
General contractor in Thornhill, Ontario
My company specializes in home renovations and we would be delighted to assist you with any upcoming projects you may have. We offer a wide range of services, from small updates to full-scale renovations. If you're considering renovating your home, please don't hesitate to reach out. We would be happy to discuss your project and provide you with a free quote
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