Grand Vision Statement. Grand is the premier active, age-restricted community in Arizona. Grand Mission Statement. Grand provides residents with a high-value community, with resort- style amenities, in which every person can choose to participate and live well, based on their needs and desires. Zillow has 77 homes for sale in Surprise AZ matching Sun City Grand. View listing photos, review sales history, and use our detailed real estate filters to find the perfect place. The Sun City Homeowners Association, Sun City, Arizona, has played an integral role in preserving the values of the Sun City community since SCHOA serves as an advocate for Sun City residents by embracing the Del Webb philosophy of keeping it simple. [Read More ].