37.030 Single-Family Residential Design Standards

(New 07/28/20) A. Purpose. The single-family residential design standards in this section promote high-quality architectural designs that enhance the character of Lehi City and establish unique neighborhood identities. Creativity and variety in home design are encouraged to create a sense of place and lasting neighborhoods. B. The following provisions shall be applied to all single-family developments in PC and RC zones, or with PUD or PRD overlay zoning: 1. Lot Size and Frontage Variation. Lot sizes and frontage widths within each subdivision plat shall be varied to encourage a variety of floor plans including rambler and two-story homes. 2. Product Mix and Diversity. A variety of home styles shall be provided to insure a diverse and interesting street scene. Single-family developments that have nearly identical homes without variation in product placement and form shall not be allowed. In order to ensure that the development is non-repetitive, homes with the same floor plan and elevation shall not be built on adjacent lots or on lots fronting directly or diagonally across the same street or open space from one another. 3. Single-family developments shall include a diversity of floor plans, color schemes, and combinations of building materials. The minimum requirements are set forth in the following table: 37-74 Single-Family Residential Design Standards Floor Plans Elevations (Craftsman, prairie, farmhouse, cottage, etc.) Color Schemes Building Material Combinations (stone, fiber cement siding – board-and-batten and hardiboard being considered separate materials, brick, stucco, etc.) Single Family Units Per Preliminary Plat 1-24 25-49 50-199 200+ 3 plans 4 plans 5 plans 10 plans 3 per floor 3 per floor 3 per floor 3 per floor plan plan plan plan 3 4 5 6 2 3 4 4 C. Corner Lots. 1. All corner lots shall include wraparound architecture. The development shall include floor plans designed specifically for corner lots. These home plans are required to include wrap-around architecture to provide visual interest on both the front and corner side yard of the home. Wraparound architecture shall include features such as a wraparound porch, facing the home on a diagonal towards the intersection, additional windows (3+), or other one-story architectural elements that increases street engagement on the corner side yard. 2. Building materials on the side of the home facing the side street shall be of the same type and proportion as the front of the house. 3. Corner lots adjacent to trails shall be designed so the driveway does not conflict with or cross the trail. This shall include turning the garage for a side entry or facing the house towards the non-trail street. D. Garages. Massing shall accentuate front entries and minimize garage dominance. The following setbacks shall apply from the front of the garage to the front of the home as defined below: 1. The garage shall not extend forward of the front door of the home more than five feet. 2. Where the home design includes a front porch at least 10 feet in width, the garage shall not extend forward more than five feet from the porch. 3. Where side load garages are used, the garage may extend up to 20 feet forward of the front door of the home. 4. Garages shall be set recessed from the front of the home or designed in a rear-loading configuration. E. Roofline Variation. Rooflines on the fronts of all homes, and the rear side of homes that are double fronting (that back onto a collector or arterial street) shall be varied on the same street. Roofline variations include the following: 1. Decorative gables, curved gables and dormers with 2 x 6 fascia that break up otherwise long, uninterrupted rooflines. 2. Hip roof or Dutch hip roof with 2 x 6 fascia. 37-75 Single-Family Residential Design Standards 3. 8/12 roof pitch or greater with 2 x 6 fascia. 4. Decorative chimney or chimney accents and details 5. Opposing roof lines (modern) 6. Flat roof lines (modern) 7. Other roofline variations as approved by the Zoning Administrator. F. Side and Rear Wall Articulation and Variations. Side and rear home elevations shall include architectural wall variations. Architectural materials and trim on rear elevations must be similar in style and detail to front elevations. Homes that are setback 5 feet from the property line or less shall have one side elevation with at least one wall variation. Homes setback further than five feet from the property line shall have side elevations with at least two wall variations. Rear elevations shall have at least two wall variations. Rear elevations of double fronting homes that back onto a collector or arterial street shall have three or more variations. The following wall variations can be used: 1. Windows (minimum of 2 windows); 2. building projections measuring at least two feet in depth (including bay or box windows, or other building pop-outs); 3. chimneys; 4. trim or water table; 5. a change in building materials such as a wainscot or highlighting an architectural feature, but not including a change in materials along a wall surface where there is no architectural break; 6. covered patios or porches; 7. awnings or trellises; 8. decorative lighting; and 9. other architectural variations that create visual interest as determined by the Zoning Administrator. G. Building Materials. Building materials and colors shall provide an enduring quality that enhance the architectural character of each home. A variety of lasting building materials should be used throughout each development, and each home should be constructed from materials that match the architectural style. At least 30 percent of all homes, based on the preliminary plat, shall be 100 percent hard surface including brick, stone, fiber cement siding, and concrete. The remaining homes shall include at least 30 percent hard surface on the overall home. The building materials on the front of the home shall continue on the sides of the home. It is prohibited to change the building materials where there is no architectural break. Architectural breaks include, but are not limited to, the corner of the home, a change in wall direction, an architectural feature such as a bay or box window, etc. Homes that are setback five feet from the property line or less shall not be required to have building materials on the front of the home continue to the sides. 1. Vinyl siding shall not be an allowed building material. 37-76 Single-Family Residential Design Standards H. Front Wall Architectural Features. The architectural features listed in this subsection are required for each home based on the type of exterior materials used. Houses using stucco as the primary exterior material (51% or more) shall incorporate at least seven of the architectural features listed in this subsection in their design. Houses using all hard surface for exterior materials shall incorporate at least five of the architectural features listed in this subsection in their design. The architectural features selected shall be appropriate to the architectural style of the home. 1. Front Porch shall be at least four feet wide and four feet long; landings and stoops do not count. 2. Wrap around porch. 3. Wood or simulated wood garage door. 4. Decorative valance windows in garage door. 5. Arched garage door entry. 6. One large garage door split into two single doors. 7. Side entry garage with windows in the exterior garage wall that faces the front yard. 8. Full recess garages, with or without a covered breezeway. 9. Attached trellis beneath the garage roof fascia and above garage door header trims. 10. Decorative front door including wood or simulated wood doors and doors with etched or stainedglass windows. 11. Bay or bow window. 12. Oval, octagon or other feature window. 13. Arched window. 14. Oversized windows larger than minimum building code requirement. 15. Decorative Window trim. 16. Decorative shutters and window mullions for all street facing windows. Styles other than standard vinyl rectangular shutters are encouraged. 17. Decorative window planter boxes. 18. Pot shelves. 19. Balconies, covered or open; 20. Decorative railings or porch columns; 21. Quoins corners, mullions, or similar decorative trim. 37-77 Single-Family Residential Design Standards 22. Cantilevers, “Pop Outs” and setbacks to different parts of the home that break up otherwise long uninterrupted wall planes. 23. Decorative chimney or chimney accents and details. 24. Decorative lights. 25. Awnings or sunshades. 26. Decorative columns or walls. 27. Roof to ground chain features. 28. Other architectural features as approved by the Zoning Administrator. I. Prior to issuance of a building permit within an approved PC, RC, PRD, or PUD, the Zoning Administrator or Designee shall verify that these architectural standards have been satisfied. The Zoning Administrator may request input from the Reviewing Departments, Planning Commission, and City Council as deemed necessary.