Best Basement Waterproofing Contractors near East Gwillimbury, ON
These contractors serve East Gwillimbury from nearby bases in towns including Newmarket, Bradford and Keswick.
10 contractors listed · 1 open 24/7 · 7 open weekends · 7 rated 4.5+ · 1 shows a licence
Data verified October 18, 2026
Pro-Leak Solutions
CCL Landscape Design Ltd.
The Basement Guy Waterproofing
Wetfix Basement Waterproofing
Fleming Heritage Restoration
The 10 contractors listed for East Gwillimbury, ON work on wet basements, foundations and crawl spaces. Warranty claims, free inspection offers and hours come from each company's own website. Ask each one how the proposed repair holds up through frost, because that is where local systems fail.

Area overview: East Gwillimbury, ON
8 of the 10 contractors on this page have a rating, from 4.4 to 5.0 across 864 reviews; 3 have 50 or more reviews and 7 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (93%), responsiveness (88%) and quality (83%). 1 is open around the clock and 7 are open on weekends. 1 shows a licence on its website. 5 have ten or more years of experience, the longest 30 years. 1 offers emergency call-outs; 8 give free estimates; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 10 of the contractors on this page; all 10 publish a contact page; 9 list a public email and 1 takes bookings online. We count these figures across the contractors on this page; hours and prices change, so confirm the details with the contractor before you book.
How many opinions should I get for a damp problem?
There are 10 listings for East Gwillimbury. Get more than one assessment before committing, because diagnoses here differ more than prices do, and one crew's interior system is another crew's regrading and downspout job. Compare what each one says is causing the water rather than the number at the bottom.



