Item B: Ordinance Concerning Goal 5 Natural Resources Study

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As shown in the preceding graph, apartment units are not added to the housing stock steadily. Thus, only one year of data cannot be considered indicative. It is important to note that not all of these housing units are built on residential land. During fiscal year 2000, 20 units were built on land not zoned residential, 19 were built in a commercial zone, and one unit was built in a light medium industrial zone. These units not built on residential land meet a portion of the housing demand but do not consume residential land. Due to State Administrative Rules, the Residential lAnd and Housing Study allocated no future housing units to commercial or mixed-used zoned or designated land. In addition, these units built on nonresidential land are not included in the housing density calculation. Housing Net Density The net density of new housing by housing type and zone type was collected for the fiscal year. Overall, net densities were lower for single-family, detached and higher for single- family, ~ttached than were assumed in the Residential lAnd and Housing Study. In low density residential, the average net density of single-family, detached was 4.6 units per acre. The Residential lAnd and Housing Study assumed the net density at 5.5 units per acre. Approximately 57 percent of all units built in this period were single- family, detached in low-density residential zoned land. Single-family, attached units were built at higher net densities than assumed. In low- density residential, single-family, attached units were built at 11.6 units per acre and in medium-density residential at 14.6 units per acre. The Residential Land and Housing Study assumed that in low-density the net density would be ten units per acre and in medium-density, 12 units per acre. Approximately 9 percent of all units built in this period were single-family, attached in low- and medium-density residential zoned land. During fiscal year 2000, permits were approved for 242 apartment units, 211 of these units were built on medium density residential land. The net density at which these units were built was comparable to the Residential Land and Housing Study assumption, 19.9 units per acre compared to 20 units per acre. However, the 12 units built in high-density residential were built at a lower density than assumed, 24 units per net acre compared to . 35 units per net acre. Housing Size Housing size information was collected from building permits for single-family, detached; single-family, attached; and apartments. The average square footage for new single-family, detached units was 2,165 square feet while single-family, attached was 1,086 square feet, and apartments were 769 square feet. 7