KOR‑Glass is the Inland Empire’s go-to source for custom patio door installation and repair. We specialize in energy-efficient glass patio doors, dual-pane sliding systems, and decorative French glass doors that offer both curb appeal and long-term performance. Whether you’re building new or updating your home’s style, our team delivers a seamless experience—from design consultation to final install. Our patio doors are designed for beauty, built for Southern California’s climate, and backed by our quality guarantee.

KOR‑Glass installs and repairs residential patio doors throughout Southern California with cities such as Chino Hills, Temecula, Claremont, Fontana, and Rancho Cucamonga. Our team offers professional installation of sliding patio doors, French glass entryways, and multi-panel glass wall systems. We use only premium materials and install for security, energy efficiency, and beauty—helping homeowners increase comfort and property value. If you’re searching for patio door installers near me, trust the experts at KOR‑Glass.