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Article 3: Base Zoning Districts <br /> Section 3.3: Residential Districts <br /> <br /> <br />Orange County, North Carolina – Unified Development Ordinance Page 3-2 <br /> <br /> <br />SECTION 3.3: RESIDENTIAL DISTRICTS <br />RB <br />RURAL BUFFER <br />DIMENSIONAL AND RATIO STANDARDS <br />Lot Size, min. <br />(square feet) <br />Conventional <br />Subdivision <br />Process <br />(Article 7) <br />87,120 <br />Flexible <br />Development <br />Subdivision <br />Process <br />(Section 7.12) <br />40,000 <br />43,560 <br />[1] <br />PURPOSE Lot Width, min. <br />(feet) 130 <br />The purpose of the Rural Buffer (RB) District is to provide <br />locations for rural residential developments and agricultural, <br />silvicultural or horticultural uses which serve to buffer or separate <br />more intensively planned and/or developed portions of Orange <br />County. Development within the Rural Buffer (RB) District is at <br />very low densities (the minimum lot size per dwelling unit is two <br />acres) and relies on individual wells and ground absorption <br />systems for domestic water supply and sewage disposal, <br />respectively. <br />Front Setback from <br />ROW, min. (feet) 40 [1][2] <br />Corner Side <br />Setback, min. <br />(feet) <br />40 [2][3] <br />APPLICABILITY Side Setback, min. <br />(feet) 20 [1][2] <br />This district will usually be applied where the following conditions <br />exist: <br /> <br />1. Designated by the adopted Comprehensive Plan as Rural <br />Buffer or by the adopted Joint Planning Area Land Use Plan as <br />Rural Residential or both. <br /> <br />2. Urban services, including water distribution and sewa ge <br />collection mains, are not likely within 10-20 years. <br />Rear Setback, min. <br />(feet) 20 [1][2] <br />Height, max. (feet) 25 [3][4] <br /> <br />DIMENSIONAL STANDARDS NOTES: <br />[1] Refer to Section 7.12.3: Flexible Development, which requires <br />additional standards and requirements to reduce minimum lot <br />size. <br />[1] [2] Accessory structures shall not be erected in any required <br />front open space and shall also conform to all other regulations. <br />[2] [3] Any corner lot having an abutting interior lot on its side <br />street shall observe a front yard setback from both streets <br />provided, however, that this requirement does not reduce the <br />width suitable for a building on said lot to less than 25 feet. (See <br />graphic in Section 6.2.7). <br />[3] [4] Two feet of additional height shall be allowed for one foot <br />increase of the required front and side setbacks. <br />[4] [5] R = residential, NR = non-residential, CU = conditional use <br />[5] [6] Permitted non-residential uses existing as of 5/6/98 shall <br />be limited to a maximum floor area ratio of .141 in the RB, AR, R- <br />1, R-2, R-3, and R-4 zoning districts. <br />Floor Area Ratio, <br />max. <br />R-CU [4] .058 <br />NR .088 [5] <br />NR-CU .100 [5] <br />Required Open <br />Space Ratio, min. <br />R-CU <br />NR <br /> NR-CU <br />.84 <br />Required Livability <br />Space Ratio, min. R-CU .75 <br />Required <br />Recreation Space <br />Ratio, min. <br />R .028 <br />R-CU .031 <br />Gross Land Area, <br />min. (square feet) <br />R-CU .174 <br />NR-CU .240 <br />Required <br />Pedestrian/ <br />Landscape Ratio, <br />min. <br />NR <br />NR-CU .21 <br /> <br />RB DISTRICT SPECIFIC DEVELOPMENT STANDARDS <br />1. Uses shall be restricted to those indicated for the RB District in Section 5.2, unless a Conditional Use (CU) <br /> 13