About Us

Cornerstone Basement Technologies Inc. is a full service Basement Waterproofing Company dedicated to repair your Commercial, Industrial and Residential Waterproofing Issues in Richmond Hill and surrounding areas. We Repair Cracks Permanently from the inside and out. We use  Non-Toxic Products used around the World in the Construction Industry for over 40 years; Proven to Work. Just give us a call or write us a note and we’ll be happy to get back to you.

Services Provided

Contact Us

Drop us a line!

Cornerstone Basement Technologies Inc.

Cornerstone Basement Technologies Inc.58 Lagani AveRichmond Hill, ON L4B 3C7

(647) 968-7709