In 2002, there were 561,178 housing units in New Hampshire, 485,903 of which were occupied; 71.7% were owner-occupied. About 63.5% of all units were single-family, detached homes. Fuel oil and kerosene were the most common heating energy sources. It was estimated that 7,163 units lacked telephone service, 2,398 lacked complete plumbing facilities, and 1,648 lacked complete kitchen facilities. The average household size was 2.55 people.
In 2002, 8,708 new privately owned units were authorized for construction. The median home value was $173,699. The median monthly cost for mortgage owners was $1,377. Renters paid a median of $732. During 2002, New Hampshire received over $20.8 million in community planning and development aid from the US Department of Housing and Urban Development.