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Business ProfileConcrete & Masonry Contractors in Ajax, Ontario

Smid Construction

Smid Construction

SMID Construction is an Ajax-based general contractor that launched in 1960. Its building-restoration work includes parking garages, building envelopes and structural concrete, as well as tennis court construction across Ajax, North York and the GTA.

Last Updated October 3, 2026.

Business Highlights
  • SMID says it is fully certified and insured.
  • SMID lists valid licences to operate throughout the GTA.
  • SMID reports registration with the Workplace Safety and Insurance Board (WSIB).
  • SMID says all workers receive regular safety training.

Service Area

Ajax, North York and the GTA.

Active Business Listing

Smid Construction is one of 8 concrete & masonry contractors ProsGrade lists in Ajax, Ontario.

Active
Public local listing
Listing details

7 services listed, including Parking garage repair and replacement, Building-envelope rehabilitation and Structural concrete restoration. Open weekdays, closed on weekends. Rated 4.2 from 39 reviews.

  • Verified listing details
  • Service information
  • Customer review signals
  • Photo gallery
  • Public contact information
  • Published local profile

How This Business Compares

How Smid Construction compares with the other 7 concrete & masonry contractors on ProsGrade in Ajax, using public Google ratings and review counts.

  • Has more Google reviews (39) than 6 of the 7 other Ajax concrete & masonry contractors on ProsGrade.

Services Covered

7 services
  • Parking garage repair and replacementExpansion-joint repairs and replacement, hot and cold waterproofing, traffic-coating membranes and ramp topping replacement.
  • Building-envelope rehabilitationBalcony and masonry repairs, railing and window replacement, cladding, sealant replacement and exterior painting.
  • Structural concrete restorationShear wall and column repairs, parapets, suspended floor slabs, and bonded or unbonded post-tensioned slabs.
  • Concrete reinforcementReinforcing steel repairs and carbon fibre reinforcing.
  • Tennis court installationBackyard and commercial properties.
  • Tennis court repair and painting
  • Tennis court fencingFencing options; repairs to existing fences or screens.

Reviews

What customers say

Customers praise clear communication, organised crews and quality workmanship. One property manager describes projects involving roof repairs, balcony leak investigation and restoration, window replacements, garage restoration and wall leak remediation; the reviewer says the team works collaboratively to resolve issues quickly when they arise.

Customer Reviews

Florence Wei

Outstanding experience from start to finish.Smid Construction was professional, transparent, and incredibly skilled. Their crew was respectful, clean, and kept us informed throughout our entire project. The quality of work is exceptional. Highly recommended!
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Adelina Dragu

I’ve always had an excellent experience working with Smid Construction. Their expertise, professionalism, and attention to detail truly set them apart. From the initial assessment to the completion of the project, their team is always organized and responsive, every step of the way. What impressed me most was their ability to provide practical, long-term solutions without cutting corners. They communicated clearly, offered thoughtful recommendations, and delivered high-quality workmanship that exceeded any expectation. If you’re looking for a reliable partner for building restoration—one that understands complex issues and takes pride in doing the job right—I highly recommend them.
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Christy Plaitis

I’m a Property Manager overseeing several condominium communities, and I’ve used SMID Construction for several years on projects of varying size—including roof repairs, balcony leak investigation and restoration, window replacements, garage restoration, and wall leak remediation. Their team is fair, honest, and delivers quality workmanship. When issues arise—as they sometimes do in restoration—SMID works collaboratively with me to solve them quickly and professionally. I always obtain multiple competitive quotes and never guarantee awards, but I always invite SMID to bid and they frequently earn the work on merit (value, quality, reliability). They’ve become my gold-standard baseline for service and workmanship. Highly recommend SMID Construction without hesitation.
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Deborah Aikman

I've been in property management for 38 years and have dealt with many companies for waterproofing and exterior building cladding repairs. SMID is by far the best! They are professional, considerate, experienced, punctual and cost-effective. All their employees have been great to deal with and if there is ever a problem, they resolve it quickly and efficiently. I would not hesitate to recommend them. They are exceptional!
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Sandi Plesa

To say working with Smid Construction is a pleasure would be an understatement. As Property Managers we rely on highly qualified contractors. For the past 15 years I have had various opportunities to work with Smid Construction on a variety of building envelope and underground garage restoration projects. Their attention to detail and accuracy, as well as efficient scheduling results in exemplary work. The professionalism, craftsmanship and workmanship shows how much this company cares for what they do. I highly recommend Smid Construction to anyone looking for high quality service.
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Frequently Asked Questions

How does SMID assess a concrete restoration project?

The company says its in-house engineers analyse the structure at the initial consultation before preparing a project roadmap.

What is Smidcrete C used for?

Smidcrete C is a rapid-setting, ambient-cured polyurethane with a silicate/sand mixture used as nosing material for expansion-joint applications.