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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 3-10 <br /> <br /> <br />R-3 <br />MEDIUM INTENSITY <br />RESIDENTIAL <br />DIMENSIONAL AND RATIO STANDARDS <br />Lot Size, min. (square <br />feet) 15,000 <br />PURPOSE Lot Width, min. (feet) 100 <br />The purpose of the Medium Intensity Residential (R-3) District is <br />to provide locations for moderate intensity residential <br />development and supporting recreational, community service <br />and educational uses in areas where urban services are <br />available or are to be provided as part of the development <br />process. <br />Front Setback from <br />ROW, min. (feet) 30 [1] <br />Corner Side Setback, <br />min. (feet) 30 [2] <br />APPLICABILITY Side Setback, min. <br />(feet) 15 [1] <br />This district will usually be applied where the following <br />conditions exist: <br /> <br />1. Designated by the adopted Comprehensive Plan as a <br />Transition Area, which can reasonably be expected to be <br />annexed by a municipality in the ensuing 10-20 years. <br /> <br />2. Water and sewer lines should exist at site or be assured of <br />installation as part of the development process. <br /> <br />3. Vehicular access must consist of direct access to a street <br />classified as either arterial or collector as designated by the <br />adopted Comprehensive Plan. <br />Rear Setback, min. <br />(feet) 15 [1] <br />Height, max. (feet) 25 [3] <br />DIMENSIONAL STANDARDS NOTES: <br />[1] Accessory structures shall not be erected in any required <br />front open space and shall also conform to all other regulations. <br />[2] Any corner lot having an abutting interior lot on its side street <br />shall observe a front yard setback from both streets provided, <br />however, that this requirement does not reduce the width <br />suitable for a building on said lot to less than 25 feet. (See <br />graphic in Section 6.2.7). <br />[3] Two feet of additional height shall be allowed for one foot <br />increase of the required front and side setbacks. <br />[4] R = residential, NR = non-residential, CU = conditional use. <br />[5] Permitted non-residential uses existing as of 5/6/98 shall be <br />limited to a maximum floor area ratio of .141 in the RB, AR, R-1, <br />R-2, R-3, and R-4 zoning districts. <br />Floor Area Ratio, max. <br />R-CU [4] .100 <br />NR .088 [5] <br />NR-CU .100 [5] <br />Required Open Space <br />Ratio, min. <br />R-CU <br />NR-CU .80 <br />NR .81 <br />Required Livability <br />Space Ratio, min. R-CU .65 <br />Required Recreation <br />Space Ratio, min. <br />R .074 <br />R-CU .077 <br />Gross Land Area, min. <br />(square feet) <br />R-CU NR- <br />CU 30,000 <br />Required Pedestrian/ <br />Landscape Ratio, min. <br />NR .203 <br />NR-CU .20 <br /> <br />R-3 DISTRICT SPECIFIC DEVELOPMENT STANDARDS <br />1. Uses shall be restricted to those indicated for the R-3 District in Section 5.2, unless a Conditional Use (CU) <br />or MPD-CZ District is approved (see Section 3.8). <br />2. Development within the zoning district shall be subject to all applicable use standards detailed in Article 5 <br />and all applicable development standards detailed in Article 6 of this Ordinance. <br />3. While the Minimum Lot Size may be 15,000 square feet, the density permitted on a given parcel is based on <br />the Watershed Protection Overlay District in which the property is located. Refer to Section 4.2.4 for a <br />breakdown of the allowable density (i.e., the number of individual dwellings that can be developed on a <br />parcel of property). <br />4. Allowable impervious surface area is based on the Watershed Protection Overlay District in which the <br />property is located. Refer to Section 4.2.5 for a breakdown of the allowable impervious surface area. <br />5. For lots outside of a Watershed Protection Overlay District (see Section 4.2), the minimum usable lot area <br /> 32