The R-1 residential zone is intended to provide a quality environment for low density, urban, single-family residential uses and other compatible land uses determined desirable and/or necessary. In an R-1 zone the following regulations shall apply.
(Ord. 73E § 2.010, 1992; Ord. 73I, 1994; Ord. 175, 1995)
In an R-1 zone the following uses and their accessory uses are permitted subject to the provisions of Chapters 9.44, 9.48 and 9.52 where applicable:
A. 
One single-family dwelling per tax lot;
B. 
A recreational vehicle used for dwelling purposes during the construction of a new dwelling or a remodel that makes an existing dwelling uninhabitable during construction. A building permit shall be issued for the new or remodeled dwelling (temporary buildings or shelters of any kind are not permitted unless a building permit for the permitted use has been issued), provided such construction must be commenced within 90 days from the date that the recreational vehicle or manufactured dwelling is placed upon the property and further provided that such construction must be completed and the recreational vehicle or manufactured dwelling removed from the premises within one year from the date of the commencement of construction;
C. 
Gardens and greenhouses for the raising and harvesting of fruit, vegetables, and flowers for noncommercial use;
D. 
Accessory buildings and uses to the extent necessary and normal in a residential neighborhood;
E. 
Planned unit development. (P.U.D.) except for a manufactured home P.U.D. See Chapter 9.60;
F. 
Family day care provider;
G. 
Residential home;
H. 
Factory built dwelling;
I. 
Single-family manufactured homes on individual lots subject to the following restrictions:
1. 
The manufactured home shall be multi-sectional and enclose a space of not less than 1,000 square feet. A manufactured home shall not be considered multi-sectional (double-wide or larger) by virtue of having a tip-out section.
2. 
The manufactured home shall be placed on an excavated and backfilled foundation, enclosed at the perimeter with a skirting of concrete, concrete block, or masonry. Where the building site has a sloped grade, no more than 12 inches of the enclosing material shall be exposed on the uphill side of the home. If the manufactured home is placed on a basement or a garage, the 12 inch limitation will not apply.
3. 
The manufactured home shall be certified by the manufacturer to have an exterior thermal envelope meeting performance standards which reduce levels equivalent to the performance standards required by single-family dwellings constructed under the state building code as defined in ORS 455.010.
4. 
The manufactured home shall bear an insignia, issued not earlier than three years prior to the date of application for a placement permit, showing compliance with Department of Housing and Urban Development standards.
5. 
If the manufactured home has a garage or carport, it shall be constructed of like materials.
6. 
Manufactured homes shall be subject to all of the restrictions in the residential zone where situated related to signs, lot sizes, yards, height of buildings, lot coverage and other applicable restrictions under the City's zoning and other ordinances.
7. 
The manufactured home shall have a pitched roof not less than a nominal three feet in height for each 12 feet in width.
(Ord. 73E § 2.010(1), 1992; Ord. 73I, 1994; Ord. 175, 1995; Ord. 267, Amended, 02/12/2007; Ord. 309, Amended, 12-08-11)
In an R-1 zone the following uses and their accessory uses may be permitted subject to the provisions of Chapters 9.44, 9.48, 9.52 and 9.72 where applicable:
A. 
Governmental structure or use of land; and public utility facility;
B. 
Home occupation;
C. 
Temporary real estate office offering residential property in the immediate vicinity for sale;
D. 
Private boat dock;
E. 
Bed and breakfast facility.
(Ord. 73E § 2.010(2), 1992; Ord. 73I, 1994; Ord. 175, 1995)
Except as provided in Chapters 9.44, 9.48, 9.52 and 9.72, in an R-1 zone the following standards shall apply:
A. 
Lot Size and Dimensions. The minimum lot size and dimensions in an R-1 zone shall be as follows:
1. 
The minimum lot area shall be 7,500 square feet when the lot is served by both a public water supply and public sewage system.
2. 
The minimum lot area shall be 20,000 square feet when a lot is served by a public water supply system, but cannot be practically served by a public sewage disposal system.
3. 
The minimum lot width at the front building line shall be 60 feet for an interior lot and 65 feet for a corner lot when a lot is served by both a public water supply and sewage disposal system.
4. 
The minimum lot width at the front building line shall be 70 feet for an interior lot and 75 feet for a corner lot when a lot is served by a public water supply system, but not by a public sewage disposal system.
5. 
The minimum lot depth shall be 80 feet.
6. 
Landfill of dirt and rock only.
7. 
Hazard areas:
a. 
Hill-side building sites, see Chapters 9.44 through 9.52;
b. 
Flood-prone areas, see Chapter 9.54.
8. 
Undersize lots, see Chapter 9.76.
B. 
Yards. The minimum yard requirements in the R-1 zone shall be as follows:
1. 
Front yard shall be a minimum of 20 feet.
2. 
Each side yard shall be a minimum of either five feet or one foot for each three feet of building height, whichever requirement is the greater. Corner side yards shall not be used for clothes lines, incinerators, permanent storage of trailers, boats and recreational vehicles nor shall said yard be used for the regular or constant parking of automobiles or other vehicles.
3. 
The street side yard shall be a minimum of 20 feet.
4. 
The rear yard shall be a minimum of 10 feet, except that on a corner lot it shall be a minimum of either five feet or one foot for each three feet of building height, whichever requirement is the greater.
5. 
All patio structures and swimming pools shall be a minimum of five feet from any side or rear property line.
6. 
No structure shall be located closer than 60 feet from the center line of any state highway, nor 45 feet from the center line of any collector or arterial street.
7. 
A fence, wall, or sight-obscuring fence may be established and maintained immediately adjacent to an abutting property line provided it is no more than six feet in height (except where the clear-vision area would be impaired as defined in YMC Section 9.64.010), or no more than eight feet in height when permitted by conditional use in accordance with Chapter 9.80 of the YMC. When such a fence, wall, or sight-obscuring fence is placed on top of a retaining wall, the combined height of the wall and fence shall not exceed eight feet.
C. 
Building Height. No building in the R-1 zone shall exceed a height of 30 feet from finished grade or from natural grade, see Chapter 9.52.180.
D. 
Lot Coverage. Structures, including, but not limited to buildings, porches and decks shall not occupy more than 30% of the total lot area.
E. 
Off-Street Parking. Refer to Chapter 9.48 – Off-Street Parking and Loading for parking requirements.
F. 
General Criteria. The vehicle and pedestrian access to the site can be safely and efficiently provided and the necessary utility systems and public facilities are available with sufficient supply and distribution capacity. If not provided by the City, it shall be the responsibility of the developer to insure these standards are met.
(Ord. 73B, 1983; Ord. 73E § 2.010(3), 1992; Ord. 73I, 1994; Ord. 175, 1995; Ord. 215, Amended, 08/15/2003; Ord. 267, Amended, 02/12/2007; Ord. 277, Amended, 10/10/2008; Ord. 314, Amended, 07/12/12; Ord. 372, 8/16/2024)