Table 4. Estimates of the Total Housing Inventory for the United States: Third Quarter 2002 and 2001 (Estimates are in thousands and may not add to total, due to rounding) Third Third Standard quarter quarter error on Standard 2002 Type 2002 2001 2002 error on Percent estimate estimate estimate difference of total All housing units................. 123,425 121,195 214 315 100 Occupied........................ 108,656 106,847 226 332 88 Owner occupied................ 73,854 72,774 228 335 60 Renter occupied............... 34,802 34,073 184 269 28 Vacant.......................... 14,769 14,348 128 186 12 Year-round vacant............. 11,209 10,857 113 164 9 For rent.................... 3,516 3,164 65 92 3 For sale only............... 1,270 1,410 39 59 1 Rented or sold, awaiting occupancy.......... 924 967 33 49 1 Held off market............. 5,499 5,316 80 117 4 For occasional use........ 1,865 1,905 47 70 2 Temporarily occupied by persons with usual residence elsewhere. 1,007 965 35 50 1 For other reasons......... 2,627 2,446 56 80 2 Seasonal vacant............... 3,560 3,491 65 95 3