General Contractors in Waterloo, — 83 Local Contractors

There are 83 general contractors in Waterloo, . The average rating is 4.7 out of 5 stars across 72 rated businesses. The highest rated is Reitzel Insulation (4.9 stars). The most reviewed is Reitzel Insulation with 426 reviews.

Waterloo homeowners and property owners looking for a general contractor have several options to choose from. Local professionals typically offer home renovations, additions, new builds, project management, and permit coordination. Before hiring, check for licensing, liability insurance, workers compensation, and a track record of completed projects. Ontario's variable four-season climate can affect project timing and material choices, so local experience matters. A good general contractor manages trades, timelines, and permits so you don't have to. Browse the listings below to compare ratings, read reviews, and contact general contractors directly.

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O'Malley Homes | Custom Homes | Renovations | Additions | Kitchener, Waterloo, Cambridge, Listowel and surrounding area

Unit H, 169 Lexington Ct, Waterloo, ON N2J 4R9

★★★★½ 4.8 (20 reviews)
(519) 589-2836
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Frequently Asked Questions

How many general contractors are in Waterloo?
There are 83 general contractors listed in Waterloo, as of 2026.
What is the average rating?
The average Google rating for general contractors in Waterloo is 4.7 out of 5 stars.
How do I choose a general contractor in Waterloo?
Compare ratings and review counts, verify their credentials and insurance, and get at least three quotes before hiring.