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CURRENT HOUSING STOCK <br /> As in the past, HHPS inventory data provide a detailed description of current housing stock as <br /> well as recent changes in the make-up of that stock and the longer-range trends in its <br /> composition. Specifically, the inventory data cover housing types, tenures, ages, sizes, and <br /> other descriptors to support housing analyses, and we can continue to extract fundamental <br /> descriptions of the stock in narrative form. <br /> Presented below is a summary of the current housing inventory for the State of Hawaii and its <br /> counties, as well as an examination of housing trends during the past 20 years. This data is <br /> compiled from various sources including the Decennial Census, American Community Survey, <br /> tax records and sources tracked by Hawaii Information Service. The traditional set of housing <br /> inventory data tables is included in the Appendix. <br /> SOURCES OF INVENTORY DATA <br /> In all of the HHPS projects, the source for the inventory data has been the Hawaii Tax Map Key <br /> (TMK) system. In constructing the Inventory portion of each study, SMS first eliminated units <br /> that are not available to the housing market. In the TMK system that means excluding <br /> properties with a PITT code of 700 -- mostly hotels, time shares, and a few temporary visitor <br /> rentals (TVRs)that are identified. <br /> Traditionally we use the U.S. Census count of total housing units as our comparison source. <br /> From the Census total housing units count3 we eliminate those that are held for seasonal or <br /> occasional use and units for held for migrant workers. The remaining available units should be <br /> roughly equal to the total TMK units minus PITT Code 700 units (See Table 1). <br /> Figure 1 on the following page shows a comparison of inventory and adjusted Census housing <br /> unit counts. The two series are quite similar except for the year 2000. In 2000, the estimates <br /> for PITT code 700 seem to have been underestimated. Otherwise, the inventory numbers <br /> exceed Census estimates by an average of 1.7 percent throughout the decade. <br /> 3 Obtained from American Factfinder website <br /> Hawari Housing Planning Study,2011 —Inventory Report Page 4 <br /> 0 SMS, Inc. November,2011 <br />