In 2002, an estimated 2,328,720 units of year-round housing were in Arizona, of which 2,014,316 were occupied. In the same year, 68.6% of all housing units were owner-occupied. About 58.5% of all units were single-family detached homes; about 14% were mobile homes. It was estimated that about 88,015 units statewide were without telephone service, 14,369 lacked complete plumbing facilities, and 15,199 lacked complete kitchen facilities.
From 1980 to 1990, the housing boom in Arizona caused the number of housing units to increase by 55%; about 38% of all housing structures in Arizona were built in the 1980s, and only 3.2% were built before 1940. During 2002, the Arizona state program received $19.1 million in aid from the US Department of Housing and Urban Development, including nearly $11.3 million in community development block grants. The median value of a home was $136,434. The median monthly cost for mortgage owners was $1,105; the median cost monthly cost for renters was $659. Approximately 66,31 new units were authorized in 2002.