About us

Granite Lock & Key is Chicago's trusted locksmith and home security expert, serving residents and businesses throughout the Windy City and surrounding areas in Illinois. With a commitment to excellence and customer satisfaction, our skilled technicians provide a comprehensive range of locksmith services to keep your property safe and secure. From emergency lockouts to high-security lock installations, we offer prompt and reliable solutions for all your lock and key needs. Our expertise extends to residential, commercial, and automotive locksmith services, ensuring that no matter the situation, Granite Lock & Key has you covered. We stay up-to-date with the latest advancements in security technology, offering cutting-edge solutions to protect your home or business. Whether you need key duplication, lock repair, or a complete security system overhaul, our team of professionals is dedicated to delivering top-quality workmanship and personalized service.