Sec. 656.305. - Low Density Residential Category.

This category includes residential developments in a density range of up to seven dwelling units per acre when full urban services are available. Generally, single-family dwellings will be the predominant land use in this category, although patio homes, townhomes, and multiple-family dwellings may also be permitted in appropriate locations. Minimum lot size shall be one-half acre per dwelling unit when both centralized potable water and wastewater treatment are not available. The lot size may be reduced to one quarter acre per dwelling unit if either one of these services is available. Secondary and supporting nonresidential uses described herein may also be permitted, subject to the criteria set forth in this Section below. The following primary and secondary zoning districts may be considered in the Low Density Residential Category depicted on the Future Land Use Map series of the Comprehensive Plan. A. Primary zoning districts. The primary zoning districts shall include the following: (1) Rural Residential-Acre (RR-Acre); Section 656.304 . (2) Residential Low Density-120 (RLD-120); Section 656.305 . (3) Residential Low Density-100A (RLD-100A); Section 656.305 . (4) Residential Low Density-100B (RLD-100B); Section 656.305 . (5) Residential Low Density-90 (RLD-90); Section 656.305 . (6) Residential Low Density-80 (RLD-80); Section 656.305 . (7) Residential Low Density-70 (RLD-70); Section 656.305 . (8) Residential Low Density-60 (RLD-60); Section 656.305 . (9) Residential Low Density-50 (RLD-50); Section 656.305 . (10) Residential Low Density-40 (RLD-40); Section 656.305 . (11) Residential Low Density-TND (RLD-TND); Section 656.305 . (12) Residential Low Density-TNH (RLD-TNH); Section 656.305 & Section 656.414 . The Residential Low Density (RLD) zoning districts allow for single-family dwellings at minimum lot sizes permitted in each district as specified below along with certain supporting open space uses, community facilities and utilities described below. The district requirements for the Residential Low Density (RLD-120, RLD-100A, RLD-100B, RLD-90, RLD-80, RLD-70, RLD-60, RLD-50, RLD-40, RLD-TND, RLD-TNH) zoning districts are specified below. I. Residential Rural-Acre (RR-Acre) District. The permitted uses and structures, accessory uses and structures, permissible uses by exception, minimum lot and yard requirements, maximum lot coverage, impervious surface ratio, and height of buildings and structures shall be as provided in Section 656.304 . II. Residential Low Density (RLD) Districts. (a) Permitted uses and structures. (1) Single-family dwellings. (2) Townhomes (RLD-TNH only) (3) Foster care homes. (4) Family day care homes meeting the performance standards and development criteria set forth in Part 4. (5) Community residential homes of six or fewer residents meeting the performance standards and development criteria set forth in Part 4. (6) Essential services, including water, sewer, gas, telephone, radio, television and electric meeting the performance standards development criteria set forth in Part 4. (7) Churches, including a rectory or similar use, meeting the performance standards and development criteria set forth in Part 4. (8) Golf courses meeting the performance standards and development criteria set forth in Part 4. (9) Neighborhood parks, pocket parks, playgrounds or recreational structures which serve or support a neighborhood or several adjacent neighborhoods, meeting the performance standards and development criteria set forth in Part 4. (10) Country clubs meeting the performance standards and development criteria set forth in Part 4. (11) Home occupations meeting the performance standards and development criteria set forth in Part 4. (b) Permitted accessory uses and structures. See Section 656.403 . (c) Permissible uses by exception. (1) Cemeteries and mausoleums but not funeral homes or mortuaries. (2) Schools meeting the performance standards and development criteria set forth in Part 4. (3) Borrow pits subject to the regulations contained in Part 9. (4) Bed and breakfast establishments meeting the performance standards and development criteria set forth in Part 4. (5) Reserved. (6) Essential services, including water, sewer, gas, telephone, radio, television and electric meeting the performance standards and development criteria set forth in Part 4. (7) Day care centers meeting the performance standards and development criteria set forth in Part 4. (8) Animals other than household pets meeting the performance standards and development criteria set forth in Part 4. (9) Churches, including a rectory or similar use, meeting the performance standards and development criteria set forth in Part 4. (10) Home occupations meeting the performance standards and development criteria set forth in Part 4. (d) Minimum lot requirements (width and area). For single-family dwellings the minimum lot requirements (width and area), except as otherwise required for certain other uses, are as follows: (1) Width: (i) RLD-120—120 feet. (ii) RLD-100A—100 feet. (iii) RLD-100B—100 feet. (iv) RLD-90—90 feet. (v) RLD-80—80 feet. (vi) RLD-70—70 feet. (vii) RLD-60—60 feet. (viii) RLD-50—50 feet. (ix) RLD-40—40 feet. (x) RLD-TND—40 feet (requires access from an alley, or detached garage located behind the home). (xi) RLD-TNH—15 feet; 25 end unit; and See Section 656.414 . (2) Area: (i) RLD-120—43,560 square feet. (ii) RLD-100A—21,780 square feet. (iii) RLD-100B—14,000 square feet. (iv) RLD-90—9,900 square feet. (v) RLD-80—8,800 square feet. (vi) RLD-70—7,200 square feet. (vii) RLD-60—6,000 square feet. (viii) RLD-50—5,000 square feet. (ix) RLD-40—4,000 square feet. (x) RLD-TND—4,000 square feet. (xi) RLD-TNH—See Section 656.414 . (e) Maximum lot coverage by all buildings and structures as listed below. Impervious surface ratios as required by Section 654.129 . (1) RLD-120—25 percent. (2) RLD-100A, RLD-100B—40 percent. (3) RLD-90, RLD-80, RLD-70—45 percent. (4) RLD-60, RLD-50, RLD-40—50 percent. (5) RLD-TND—65 percent. (f) Minimum yard requirements. The minimum yard requirements for all uses and structures are as follows; provided, however that unenclosed front porches may extend five feet into the required front yard setback, and side opening garages may extend five feet into the required front yard setback as long as the garage doors do not face the street in the RLD-120, RLD-100A, RLD-100B, RLD-90, RLD-80, RLD-70, RLD-60, RLD-50, and RLD-40 Zoning Districts. (1) RLD-120: (i) Front—25 feet. (ii) Side—7.5 feet. (iii) Rear—10 feet. (2) RLD-100A: (i) Front—25 feet. (ii) Side—7.5 feet. (iii) Rear—10 feet. (3) RLD-100B: (i) Front—20 feet. (ii) Side—7.5 feet. (iii) Rear—10 feet. (4) RLD-90: (i) Front—20 feet. (ii) Side—5 feet. (iii) Rear—10 feet. (5) RLD-80: (i) Front—20 feet. (ii) Side—5 feet. (iii) Rear—10 feet. (6) RLD-70: (i) Front—20 feet. (ii) Side—5 feet. (iii) Rear—10 feet. (7) RLD-60: (i) Front—20 feet. (ii) Side—5 feet. (iii) Rear—10 feet. (8) RLD-50: (i) Front—20 feet. (ii) Side—5 feet. (iii) Rear—10 feet. (9) RLD-40: (i) Front—20 feet. (ii) Side—3 feet. (iii) Rear—10 feet. (10) RLD-TND (requires access from an alley or detached garage located behind the home): (i) Front—5 to 20 feet. (ii) Second Front Yard—10 feet. (iii) Side—3 feet. (iv) Rear—10 feet. (11) RLD-TNH: See Section 656.414 . (g) Maximum height of structures. 35 feet. (h) Minimum open space. The gross density for an RLD Zoning District may not exceed the Land Use Category density. Where individual lot sizes may exceed the Land Use Category density, open space or conservation shall be platted as a separate tract and designated as "open space" on such plat. B. Secondary zoning districts. The following secondary zoning districts may be permitted in the Low Density Residential Category as depicted on the Future Land Use Maps of the Comprehensive Plan, subject to the district regulations for same: (1) Residential Medium Density-A; Section 656.306 . (2) Residential Medium Density-B; Section 656.306 . (3) Commercial Office (CO); Section 656.311 . (4) Commercial Residential Office (CRO); Section 656.311 . (5) Commercial Neighborhood (CN); Section 656.312 . (6) Agriculture (AGR); Section 656.331 . (7) Public Buildings and Facilities-1 (PBF-1); Section 656.332 . (8) Public Buildings and Facilities-2 (PBF-2); Section 656.332 . (9) Conservation (CSV); Section 656.333 . (10) Planned Unit Development (PUD); Section 656.340 . The aforementioned secondary zoning districts may be permitted provided that the supplemental criteria and standards for same specified in Subpart G, Part 3 are met. (Ord. 91-59-148, § 1; Ord. 91-635-272, § 1; Ord. 91-761-410, § 1; Ord. 93-1760-1171, § 1; Ord. 2000-90-E, § 2; Ord. 2002-608-E, § 1; Ord. 2008-969-E, § 1; Ord. 2014-279-E, § 1; Ord. 2019-375-E , § 1; Ord. 2022-448-E , § 1)