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Indian River County 1 Impact Fee Update Study <br />Apportionment of Demand by Residential Unit Type and Size <br />The residential land uses to be used for the impact fee calculations are the following: <br />• Single Family <br />• Multi-Family/Accessory Unit <br />• Mobile Home/RV (tied down) <br />Table A-2 presents the number of residents per housing unit for the residential categories <br />identified above in Indian River County. This analysis includes all housing units, both <br />occupied and vacant. <br />To address fairness and equity issues between land uses and to be consistent with the <br />County's current fee schedules, the single family land use is tiered based on four categories <br />of square footage: less than 1,000 square feet, 1,000 to 1,499 square feet, 1,500 to 2,499 <br />square feet, and 2,500 square feet or greater. To accommodate the tiering of impact fee <br />assessments for the single family residential land use category, an analysis was completed <br />based on housing unit size and persons per housing unit. This analysis utilized national data <br />from the 2011 American Housing Survey (AHS) and date from the 2000 and 2010 U.S. <br />Census Reports to examine this relationship. Because the 2010 Census data do not provide <br />population by land use, a comparison of weighted average population per housing units <br />between the two Census data sets was conducted and the resulting ratio was applied to the <br />residents per housing unit figure for each land use. <br />Table A-2 <br />Residents per Housing Unit (Countywide) <br />Housing Type <br />Single Family (detached) <br />Population�l1 <br />83,498 <br />Housing <br />Units�Z� Ratio(3) <br />34,383 <br />Residents / <br />Housin g <br />Units( <br />2.43 <br />Residents / <br />HousingUnits <br />with 2010Adj(5) <br />2.26 <br />- Less than 1,000 sf <br />87% <br />2.11 <br />1.97 <br />- 1,000 to 1,499 sf <br />94% <br />2.28 <br />2.12 <br />- 1,500 to 2,499 sf <br />100% <br />2.43 <br />2.26 <br />- 2,500 sf or greater <br />111% <br />2.70 <br />2.52 <br />Multi-Family/Accessory <br />22,768 <br />16,649 <br />1.37 <br />1.28 <br />Mobile Home <br />10,516 <br />6,786 <br />1.55 <br />1.44 <br />Weighted Average <br />116,782 <br />57,818 <br />2.02 <br />1.88 <br />(1) Source: 2000 Census, Table H-33 (adjusted for peak seasonal population) <br />(2) Source: 2000 Census, Table H-30 <br />(3) Ratios developed based on national PPH data derived from the 2011 American Housing Survey <br />(4) Population (Item 1) divided by housing units (Item 2) <br />(5) Residents per housing unit based on Census 2000 are adjusted downward by 6.8 percent to reflect the <br />decrease in people per housing unit between 2000 and 2010 <br />Tindale -Oliver & Associates, Inc. <br />June 2014 <br />Indian River County <br />A-3 Impact Fee Update Study <br />IY3 <br />