Sun City, Arizona, is a pioneering unincorporated community and census-designated place located in Maricopa County, within the Phoenix metropolitan area. Established in 1960 by the Del E. Webb Development Company, it was the first large-scale active adult retirement community in the United States, setting a precedent for the concept of retirement living focused on leisure and activity. Spanning 14.6 square miles, Sun City offers a variety of amenities tailored for its predominantly senior population, including eight golf courses, seven recreation centers, and a host of social clubs fostering a vibrant community life. The area's layout is distinctive with its radial street patterns and lush landscapes, contrasting with the typical grid systems of surrounding neighborhoods. Known for attracting "snowbirds" escaping colder climates, Sun City has a population of 39,931 as per the 2020 census, with demographics largely consisting of retirees looking for an engaging and community-oriented lifestyle. The town also includes essential services like shopping centers, a hospital, and various healthcare facilities, ensuring residents can meet their daily needs without leaving the community. Sun City's success led to the creation of similar communities across the country, but it remains a hallmark for retirement living, emphasizing social engagement, recreation, and a sense of community among its residents.

Sun City currently has 351 single family homes for sale with an average list price of $365,857.74, 301 townhouses for sale with an average list price of $244,627.17, 98 condos for sale with an average list price of $177,292.34, and 3 lots for sale with an average list price of $1,602,666.67. The average annual property tax for Sun City is $963.74.