The following standards shall apply in an R-1 zone:
A. Lot Size and Dimensions.
1. The minimum lot size uses shall be seven thousand five hundred (7,500) square feet.
2. In no event shall a structure for a single-family dwelling be built on a lot less than five thousand (5,000) square feet in area. The area of a pre-existing legal lot of record shall be the size of the lot at the time it was lawfully established.
3. The minimum lot area for a duplex and commonwall dwelling approved as a conditional use shall be eight thousand (8,000) square feet.
4. Minimum lot frontage for a flag lot shall be twenty-five (25) feet.
5. No lot area, yard, off-street parking or loading area, or other required open space for one use shall be used as the required lot area, yard, off-street parking or loading area, or other required open spaces for another use.
B. Parking Requirements.
1. Dwellings. Two on-site parking spaces shall be provided for each dwelling unit.
2. Uses Other than Dwellings. The number of parking spaces as required by Chapter 16.76 of this code shall be provided.
C. Setbacks.
1. The front setback shall be a minimum of twenty (20) feet.
2. Each side setback shall be a minimum of five feet, but any point of a building exceeding fifteen (15) feet in height must have a setback from a side property line equal to or greater than one-third the height of that point. (Height measured from grade level adjacent to the wall that is closest to the side property line.) If a utility easement is required, a minimum of ten (10) feet will be required.
3. The rear setback shall be a minimum of fifteen (15) feet except:
a. An accessory structure not used for human habitation and separated from the main building may be located to within five feet of a rear property line.
b. On a corner lot, setbacks required from the rear property line shall be the same as required for side yards.
D. Sidewalks. Sidewalks, driveways and service driveways shall conform to standards established by this code.
E. Fences and sight-obscuring fences: consisting of either a continuous fence, wall, slated cyclone fence, evergreen planting, or combination thereof, constructed and/or planted so as to effectively screen cannot exceed six feet in height. Fences described above are subject to clear vision regulations of Section 16.60.010 and Section 8.08.060 limiting the use of barbed wire and electrical fences.
F. Drainage. An applicant for a building permit shall submit a plan showing width, depth, and direction of flow of all drainage channels on property. In addition, the location, size and type of conduit used in drainage channels and driveway accesses shall be clearly delineated. Water from roof drains and other nonimpervious surfaces shall not be concentrated and directed so as to cause damage to property and shall be disposed of in accordance with Section 13.08.010 of this code.
G. Excavation/Fill. A plan shall be submitted showing cubic yards removed or filled and the plan should be certified by a registered professional engineer for the removal or fill of more than fifty (50) cubic yards of material.
H. Building Height. No building shall exceed a height of thirty-five (35) feet, except public schools or churches which may be forty-five (45) feet.
I. Lot Coverage. Buildings including accessory structures and garages shall not occupy more than fifty-five (55) percent of the total lot area.
J. Geological Analysis Requirement. Any property identified as a geological natural hazard area as listed in Section 16.68.030 or any property that has a slope of thirty-three (33) percent or greater, as defined by a 3:1 ratio, 3 horizontal : 1 vertical, will require a geotechnical analysis of the property as outlined in Section 16.68.030.
K. Structure and Facade Design. All dwellings, except temporary dwellings approved pursuant to Chapter 16.80, shall include at least three of the following features visible to the street (if on a corner lot, visible to the street where the dwelling takes access):
1. A covered porch at least two feet deep;
2. An entry area recessed at least two feet from the exterior wall to the door;
3. A bay or bow window (not flush with the siding);
4. An offset on the building face of at least sixteen (16) inches from one exterior wall surface to the other;
5. A dormer;
6. A gable;
7. Roof eaves with a minimum projection of twelve (12) inches from the intersection of the roof and the exterior walls;
8. Roof line offsets of at least sixteen (16) inches from the top surface of one roof to the top surface of the other;
9. An attached garage;
10. Orientation of the long axis and front door to the street;
11. Cupolas;
12. Tile or shake roofs;
13. Horizontal lap siding.
(Ord. 2004-2 § 3; Ord. 2000-26 § 1(3): prior code § 10.220(3))