(A) Purpose. The R-1, One-Family Residence District, is intended to provide a district which will allow residential development in those areas where the development fits the land use plan and policies and where municipal utilities are available.
(B) Permitted uses. Within an R-1, Residence District, no building or land shall be used, except for one or more of the following uses:
(1) Single-family detached dwellings;
(2) Parks and recreational areas owned or operated by governmental agencies;
(3) Public schools, elementary, secondary and colleges and universities, or private schools having a curriculum equivalent to a public elementary, secondary school, college or university;
(4) Golf courses, except club houses, miniature courses and driving tees operated for commercial purposes; and
(5) Churches; provided that, no building shall be located within 50 feet of any lot line of an abutting lot in any of the classes of residence districts.
(C) Uses by conditional use permit. Within an R-1, Residence District, no building or land shall be used for one or more of the following uses, except by conditional use permit:
(1) Municipal administration buildings, police and fire stations, hospitals and medical clinics, medical related sales and services when located within a medical clinic building or hospital; and, provided, they shall not occupy more than 20% of the gross floor area of the building, or only where directly adjacent to hospitals, community center buildings, public libraries, museums, art galleries, post office and other municipal service buildings, except those customarily considered industrial in use; provided that, none of the above mentioned buildings shall be located within 50 feet of any abutting lot that contains a dwelling or is vacant in any of the classes of residence districts;
(2) Water supply buildings, reservoirs, wells, elevated tanks and similar essential public utility and service structures;
(3) Golf club house, country club, public swimming pool, private swimming pool serving more than one family; provided that, no principal structure shall be located within 50 feet of any lot line of an abutting lot in any of the classes of residence districts;
(4) Cemetery or memorial garden;
(5) Keeping three or more boarders and/or roomers by a resident family;
(6) If, prior to 9-1-1977, the use has been a public or private school, a church or other church purpose (excluding a parish house), a city, state or federal government purpose, a hospital, a nursing home, a medical clinic or a small retail or grocery store, it may be remodeled and allowed as a conditional use if it meets the restrictions of this division. The conditional uses may be professional offices and offices of a general nature including, but not limited to, doctors, dentists, lawyers, architects, engineers, accountants, insurance, real estate, government and non-profit organizations. Uses which cannot be allowed are retail sales, wholesale sales or warehousing. The building to be so remodeled and used must retain at least 60% of the exterior structure of the original building; and
(7) The conversion of an existing single-family dwelling to a two-family dwelling on a lot of record existing at the effective date of this division, provided the lot is not less than 9,000 square feet in area, 75 feet in width and 120 feet in depth. The conversion of a one-family dwelling to a two-family dwelling may be allowed on a lot 50 feet or greater in width and less than 75 feet; provided, the lot is at least 9,000 square feet in area.
(D) Permitted accessory uses. Within an R-1, Residence District, the following uses shall be permitted accessory uses:
(1) Private garage;
(2) Private swimming pool, when completely enclosed within a suitable fence at least five feet in height;
(3) Keeping of not more than two boarders and/or roomers by a resident family;
(4) Living quarters of persons employed on the premises;
(7) Accessory uses customarily incident to the uses permitted in divisions (B) and (C) above.
(E) Height, yard, area and lot width and depth regulations.
(1) Height regulations. No building hereafter erected or altered shall exceed three stories or 30 feet in height.
(2) Width and depth regulations. A single-family dwelling shall have a width of not less than 20 feet at the front setback line and a depth of not less than 20 feet.
(3) Front yard regulations.
(a) There shall be a front yard having a depth of not less than 30 feet unless 30% or more of the frontage on the same side of the street between two intersecting streets is improved with buildings that have observed a greater or less depth of front yard in which instance no new buildings or portion thereof shall project beyond a straight line drawn between the front building line of the residence upon either side of the proposed structure, or if there be residences upon only one side, then beyond a line determined by the average setback of residences in that block.
(b) There shall be a front yard having a depth of not less than 40 feet on a lot or plot that abuts a thoroughfare as shown on the adopted city thoroughfare plan unless 30% or more of the frontage on the same side of the street between two intersecting streets is improved with buildings that have observed a greater or less depth of front yard in which instance no new building or portion thereof shall project beyond a straight line drawn between the front building line of the residence upon either side of the proposed structure or, if there be residences upon only one side, then beyond a line determined by the average setback of residences in that block.
(c) Where a lot is located at the intersection of two or more streets, there shall be a front yard on each street side of each corner of each corner lot. No accessory building shall project into the required front yard bordering either street.
(d) Whenever there is a lot of record existing at the effective date of this chapter, the front yard of the side street of a corner lot may be reduced to a width of not less than 25% of the lesser frontage of the lot. However, a setback in excess of that specified above in divisions (E)(3)(b) and (E)(3)(c) above will not be required.
(4) Side yard regulations. The side yard on each side of a building shall not be less than the lesser of ten feet or 10% of the width of the lot.
(5) Rear lot regulations. There shall be a rear yard having a depth of not less than 20% of the depth of the lot.
(6) Lot area regulations. Every lot on which a single-family dwelling is erected shall contain an area of at least 7,200 square feet.
(7) Lot width and depth regulations.
(a) Every lot on which a single-family dwelling is erected shall have a minimum width of 60 feet at the building setback line and a minimum depth of 120 feet.
(b) A lot of record existing on the effective date of this chapter may be used for the erection of a single-family dwelling; provided, it has a width of at least 50 feet and a depth of at least 100 feet.
(2002 Code, § 7.11) (Ord. 324, effective 11-20-1965; Ord. 51, Third Series, effective 2-1-1981; Ord. 71, Third Series, effective 8-15-1982; Ord. 117, Third Series, effective 4-10-1985; Ord. 76, Seventh Series, effective 1-6-2019)