TriMark Maintenance is a full-service property maintenance company servicing both commercial and residential customers. We’ll earn your stamp of approval by providing the finest locksmith, glass, and door repair service in the Greater Toronto Area. Our highly skilled and trained technicians perform most jobs on-site by bringing the shop to you through our convenient and professional mobile service, 24 hours a day. From duplicating your office keys, to replacing glass, to installing your deadbolt locks, we can provide the products and install them. We don’t compromise your security; we compete on service, quality, and customer satisfaction.