Mckinney, Texas, is a thriving city known for it’s rich history, top-rated schools, and rapidly expanding business environment. As one of the fastest-growing communities in Collin County, Mckinney seamlessly blends a charming, historic downtown with modern amenities, making it a prime location for commercial development. • The City's strong healthcare infrastructure, combined with its growing population and diverse economy, makes it an ideal spot to own or lease your new office.