1. All territory within the limits of the city not designated as being within the industrial district or the commercial district shall be designated and known as R-1 One-Family District; R-2 Two-Family District; or R-3 Multifamily District.
2. All streets, alleys and railroad rights-of-way, if not otherwise specifically designated, shall be deemed to be in the same zone as the property immediately abutting on such alleys, streets or rights-of-way. Where the centerline of a street or alley serves as a district boundary, the zoning of such street or alley, unless otherwise specifically designated, shall be deemed to be the same as that of the abutting property up to such centerline.
3. No building or structure shall be erected, converted, enlarged, reconstructed or structurally altered, nor shall any building or land be used for any purpose other than what is permitted in the district for which the building or land is located.

(Code 1970, § 10-3-1; Code 1987, § 7-186; Ord. No. 1194, 9-8-2003)

The following regulations shall apply in the R-1 One-Family District.

1. Permitted And Special Uses:
   1. Permitted Uses:
      1. Church.
      2. Home occupation.
      3. One-family dwelling.
      4. Institutional use.
      5. Accessory uses incident to the above uses.
   2. Special Uses:
      1. Auto parking area.
      2. Bed and breakfast establishments.
      3. College.
      4. Country club (not conducted as a business nor for profit).
      5. Daycare center.
      6. Family care home for developmentally disabled.
      7. Farming.
      8. Group dwelling.
      9. Group home subject to the following: no more than eight persons plus staff; licensed or certified by the state; a minimum distance of 1,000 feet is maintained between group homes, group dwellings and halfway houses.
      10. Healthcare facility.
      11. Hospice.
      12. Hospital.
      13. Nursing homes.
      14. Public service uses including filtration plant, pumping stations, water reservoirs, sewage treatment plants, police and fire stations, electric substations and other similar public service uses.
      15. Recreation building.
      16. Rest home.
      17. School, trade or vocational.
      18. Telephone exchanges.
      19. Temporary building and uses for construction purposes for a period not to exceed one year.
      20. Short term rentals
2. Building Height: No building or structure nor enlargement of any building or structure shall be erected or maintained after October 13, 1941, in any R-1 district to exceed 2½ stories, nor shall it exceed 35 feet in height.
3. R-1 Restricted Zoning: Lots used for green space only are considered not buildable.

(Code 1970, § 10-3-2; Code 1987, § 7-187; Ord. No. 1071, 3-13-1995; Ord. No. 1194, 9-8-2003; Ord. No. 1225, 3-27-2006; Ord. No. 09-13, 10-26-2009)

The following regulations shall apply in the R-2 Two-Family District.

1. Permitted And Special Uses: All those permitted and special uses as listed in OCC 32.16.020; and
2. Two-family dwelling (no more than five unrelated persons in each dwelling unit).

(Code 1970, § 10-3-3; Code 1987, § 7-188; Ord. No. 1067, 11-28-1994; Ord. No. 1090, 5-28-1996; Ord. No. 1194, 9-8-2003)

The following regulations shall apply in the R-3 Multifamily District.

1. Permitted And Special Uses: All those permitted and special uses as listed in OCC 32.16.030; and
2. Multiple-family dwellings.

(Code 1987, § 7-188.1; Ord. No. 1194, 9-8-2003)

1. Lots less than 8,712 square feet in area.
2. The following restrictions shall apply in the R-1, R-2, and R-3 districts.

Lot and Yard Requirements for R-1, R-2, and R-3 Districts

For any lot platted prior to June 28, 2004:

For any lot platted after June 28, 2004:

(Code 1987, § 7-189; Ord. No. 1067, 11-28-1994; Ord. No. 1225, 3-27-2006; Ord. No. 1243, 2-25-2008; Ord. No. 09-13, 10-26-2009)

It shall be unlawful to construct or place any accessory building on an area zoned for residential or commercial purposes without having first secured a permit. Said permit fee to be established from time to time by approval of the city council.

1. Application: Application shall be made in the office of the city clerk and shall be accompanied by one set of plans or specifications indicating:
   1. Where the accessory building will be located (i.e., distance from lot lines).
   2. Size of accessory building including height.
   3. Construction materials of accessory building.
2. Height Requirements: No accessory building with a flat roof shall be taller than 15 feet; no accessory building with pitched roof shall be taller than 20 feet.
3. Allowances: Only two accessory buildings are allowed per any lot and are limited to detached garages, garden/utility shed, and pool houses. No accessory building or structure shall be constructed on any lot prior to the issuance of a building permit for the principal building to which it is accessory.
4. Setbacks: All accessory buildings must meet the minimum requirement of setbacks within the residential or commercial zone in which it is located. No accessory building under any circumstances shall be allowed to sit within a public right-of-way.
5. Lot Coverage: When adding accessory buildings to a lot, the total coverage (including home, accessory buildings, pavement and pools) shall not be more than allowed by the zone classification.
6. Roominghouses: Roominghouses, as defined in this chapter, shall be prohibited in the city. Those roominghouses in existence on the date of this amendment and continuing without cessation since that date are hereby declared legal nonconforming uses. Said legally existing roominghouses must comply with the requirements of this chapter. If at any time the said use is discontinued for a period of one year or more, or if the nonconforming premises is 50 percent or more destroyed by fire or other means, or if the legally nonconforming roominghouse use is changed in any way, such use shall immediately cease, and the roominghouse use shall not be renewed or continued.
7. Accessory Building Not Allowed: Structures or enclosures of a temporary or permanent nature, the roof or sides of which are constructed of metal, silk, cotton, canvas, nylon fabric or similar pliable material designed and/or intended to be used for storage in lieu of a garage or yard shed which requires a building permit may be constructed or erected to be used for winter season storage only, between October 1 and April 30 within the city limits.
   1. Such structures currently in use shall be repaired recovered or replaced and shall be removed when the frame or covering shows sign of wear.
   2. Upon notification by an officer of the city, the owner shall be granted seven days to remove said structure. In the event the owner fails to remove said structure, they will be subject to a fine each day the structure remains in violation; provided in OCC 1.16.030.

(Code 1987, § 7-190; Ord. No. 1244, 2-25-2008; Ord. No. 09-13, 10-26-2009; Ord. No. 2010-101, 8-23-2010; Ord. No. 2015-101, 3-24-2015)