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Citywide Post Hole Digging
- Company
- Work
- Call
“I have been Contracting City Wide Post Hole Digging for all my properties for many different projects from post holes to complete decking and fencing applications.”
Best Concrete Contractors in Thornhill, ON
24 companies listed · 4 in Thornhill · 6 open 24/7 · 19 open weekends · 22 rated 4.5+
Data verified October 18, 2026
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Toronto Foundation Repair & Waterproofing
- Basement
- Team
“These guys were prompt, professional, efficient and easy to talk to, they explained all the process and answered all my questions, very clean quality work.”
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ISA CO. Excavation Demolition Shoring Services
- Quality
- Price
“Really happy with their services & quality work.”
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Hotreno Inc.
“Excellent service !”
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Aquamen Waterproofing & Underpinning
- Foundation
- Property
- Clean
“They were careful to make sure everything is done right, digging a deep trench by hand in the middle of summer to make sure there is no risk to gas line near the house.”
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Prime Waterproofing
- Quote
- Job
- House
“I highly recommend this company for your water proofing needs as they are very professional, excellent communication, very responsive, and do great work .”
Listed for homeowners in and around Thornhill, ON, these 24 companies do concrete work. What each says about mixes, finishes and scheduling around the cold season comes from its own website; the ratings and comments on this page are from public reviews.
Area overview: Thornhill, ON
4 of the 24 companies we list are based in Thornhill; the other 20 serve Thornhill from towns including Etobicoke, Toronto and Mississauga. The companies on this page are rated from 4.3 to 5.0 across 3,125 reviews; 20 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (92%), quality (85%) and responsiveness (76%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "communication". 6 are open around the clock; 18 are open on Saturdays and 14 on Sundays. The services the companies on this page list most often on their websites are drain camera inspection (2), drain cleaning (2) and foundation repair (2). 9 show a licence on their websites. Domain records put 7 websites of the companies on this page at ten or more years old; the oldest dates from 2009. 8 offer emergency call-outs; 21 give free estimates; 3 are family- or locally-owned and 6 list coupons or special offers. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do any of these crews list weekend hours?
Weekend hours show on 19 of the 24 listings here. Concrete gets scheduled around the forecast and the plant, not around the calendar, so weekend hours generally mean somebody picks up the phone rather than a crew being on site.
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Santos Water
- Basement
- Efficient
- Team
“He was completely professional in all of my interactions with him, provided an accurate estimate, and gave me lots of choices on how to complete the work.”
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Rooter-Man
- Work
- Tech
- Basement
“Thank you so much Jerome for your support with walking us through the unfortunate issue we had at my dads (roots broke through the underground clay pipes).”
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JP Lucky Construction and Roofing
- Job
- Addition
- Questions
“The best part was when we did have a small concern which we brought to Wendy's attention she and James went out if their way and the extra miles to make sure we were completely satisfied”
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VIP Paving & Interlocking Contractors Toronto
- Asphalt
- Work
- Result
“We completely revamped both our back and front, installing an interlock patio in the back and a porch with steps up front, with various challenges, such as grading and a raised entrance.”
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Drobot Construction
- House
- Price
- Leak
“I had some injuries during the project and they went the extra mile for me doing extras like taking care of taking my garbage bins etc which made my life a lot easier.”
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Canadian Concrete Leveling
- Stairs
- Work
- Results
“We liked the presentation from their representative and we decided spending a little more $ would give us the benefit having no noticeable hole drilling in our aggregate driveway.”
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Tornado Plumbing & Drains
- Clay
- Waterproofing
- Sump Pump
“Firstly, let me say that any negative review of Tornado Plumbing & Drain is very difficult to believe, people need to be more reasonable and have realistic expectations.”
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Royal Work
- Questions
- Sump Pump
- Project
“From the initial consultation to the very last day on the job , Alex and his team have maintained the highest degree of professionalism and workmanship.”
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Aquatech Basement Waterproofing Toronto
- Excavating
- Rebate
- Pipe
“Richard provide a clear quote with details on what the project entailed, and the crew that did the job were hardworking and cleaned up the basement when finished.”
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Direct Waterproofing
- Informative
- Pipe
- Call
“And today, TERRY and his 2 very hard working team mates, JOHN and THOMAS, came in and dig the whole soil almost 7-8 feet, did all the treatment and re-filled everything in just 8 hours.”
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MT Drains & Plumbing LTD
- Window Well
- Waterproofing
- Communication
“Pavel and his crew were great, got the job done quickly in a professional matter, good communication, excellent clean up, highly recommend this company.”
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Draincom Basement Waterproofing Toronto & GTA
- Clean
- Call
- Leak
“They sacrificed their time and at no charge to me, asked around and through a network, they were able to connect me with an equally honest company who is coming within days to fix my stinky problem.”
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Aquamaster Basement Waterproofing & Underpinning
- Leak
- Management
- Plumbing
“We have used Aquamaster 4 times for different issues with our houses, and they always been very super responsive, knowledgeable, friendly and professional.”
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The Shed Installer Guys
- Foundation
- Communication
- Shed Installation
“Luckily came across with The Shed Installer Guys and spoke with Matthew, from the first point of contact till the installation, he was very professional and provided great service including a good price.”
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Concrete Master
- Walkway
- Waterproofing
- Basement
“Not only was the work done really well and concrete was very even, the guys waited and stayed on my job site to let the concrete settle before they could apply another coat.”
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SVD Restoration
- GTA
- Garage
- Project
“The best part about dealing with Petro is he answers his phone right away and oftentimes he will give you a direct answer regarding pricing and procedures.”
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K.S Concrete Cutting Ltd.
- Work
- Questions
- Price
“I would have given 5 stars but the piping on the sump pump could have been installed neatly and I wished they power washed all the mud and dust from my stamped concrete.”
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Valhalla Contracting
- Colour
- Work
- Concrete
“Bart took his time to explain the process, consulted with me every step of the way, asked for design confirmation and acted as a professional the entire time.”
Concrete Repair & Installation Services in Thornhill, ON Cost Estimates
Minimum cost
$1370
Maximum cost
$26786
National Average
$9151
Avg Per Hour Rates
$109
$4495
$13826
Fair price range is based on 270 cost profiles
Why these companies made our list
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