Cornerstone Windows & Patio Doors founder and owner, Tony Szik, has been working in the home improvement industry for over 44 years. From full home construction to customized remodels and now, window and patio door replacement.
Tony has developed a meticulous pre-sight measuring system which lends to installation projects with no drywall or stucco damage. Most jobs are completed in one day.
Cornerstone uses ONLY full-time employees. There are no sub-contractors. This maintains a high level of quality control and a seamless installation process.