KOR‑Glass is a leading provider of residential window repair and replacement in Ontario, CA and surrounding communities. We specialize in dual-pane window repairs, thermal glass replacements, and leaky window fixes that improve energy efficiency and curb appeal. Our work is always up to code, installed with precision, and backed by our satisfaction guarantee. If you're searching for window repair near me, we’re just a call away.

KOR‑Glass provides high-quality window repair services in Ontario, CA and neighboring cities like Chino, Rancho Cucamonga, Upland, Temecula, and Fontana. Our services cover everything from glass replacement for sliding windows to foggy insulated window repair, ensuring your home stays comfortable, energy-efficient, and safe. Whether you need a quick fix or a full window replacement, our locally-based team ensures expert results with competitive pricing.