Table 4. Estimates of the Total Housing Inventory for the United States: Fourth Quarter 1998 and 1997 (Estimates are in thousands and may not add to total, due to rounding) Fourth Fourth Standard quarter quarter error on Standard 1998 Type 1998 1997 1998 error on Percent estimate estimate estimate difference of total All housing units................. 117,589 115,892 235 334 100 Occupied........................ 104,035 102,624 245 347 88 Owner occupied................ 69,097 67,424 242 342 59 Renter occupied............... 34,938 35,200 197 280 30 Vacant.......................... 13,554 13,268 132 186 12 Year-round vacant............. 10,514 10,078 117 164 9 For rent.................... 2,978 2,966 64 90 3 For sale only............... 1,242 1,187 41 58 1 Rented or sold, awaiting occupancy.......... 909 813 35 49 1 Held off market............. 5,385 5,112 85 119 5 For occasional use........ 1,868 1,805 51 71 2 Temporarily occupied by persons with usual residence elsewhere. 920 793 36 49 1 For other reasons......... 2,597 2,514 60 84 2 Seasonal vacant............... 3,040 3,190 64 92 3