Source: U.S. Census Bureau  

Release: Housing Vacancies and Homeownership  

Units:  Thousands of Units, Not Seasonally Adjusted

Frequency:  Quarterly

If the vacant unit is not for-rent or for-sale-only but is held for weekends or occasional use throughout the year, the unit is included in the category "for occasional use". Time-shared units are classified in this category if the vacant unit is not for-rent or for-sale-only, but held for use for an individual during the time of interview.