13.06.090   Single Family Residential zones (R-8, R-10, R-20).
   A.   Permitted uses. In an R-8, R-10 or R-20 zone the following uses and their accessory uses are permitted outright:
      1.   single family dwellings, each on a separately described lot, as recorded in the district court;
      2.   fishing equipment and supplies, provided no retail or wholesale business sales office is maintained on the premises, and provided, no poultry or livestock, other than normal household pets, are housed or any fenced run is located within 100 feet of any residence other than the dwelling on the same lot;
      3.   home occupations, only as strictly defined in § 13.06.015.
   B.   Conditional uses. In an R-8, R-l0 or R-20 zone, the following uses and their accessory uses may be permitted as conditional uses when in accordance with §§ 13.06.190 and 13.06.020:
      1.   duplex residential, with a minimum lot of 10,000 square feet, one duplex per lot; or two single family units with a minimum lot area of 5,000 square feet per unit. In the event it appears that it is not practical to divide a legal lot into two lots of 5,000 square feet each, the planning commission may approve the division notwithstanding the fact that one lot is less than 5,000 square feet; provided, however, that no such lot shall be smaller than 4,250 square feet;
      2.   boat moorage;
      3.   cemeteries;
      4.   churches and accessory uses;
      5.   community buildings (public) and (quasi-public);
      6.   governmental structure or land use including public park, playground, recreation building, fire station, library or museum;
      7.   greenhouse;
      8.   hospital, sanitarium, rest home, home for the aged, nursing home or convalescent home;
      9.   school: nursery, primary, elementary, junior high or senior high, (private, parochial or public);
      10.   utility substation or pumping station with no equipment storage, and lines which are essential to the functioning and servicing of residential neighborhoods;
      11.   any service, processing, storage or display essential or incidental to any permitted use in this zone and not conducted entirely within an enclosed building;
      12.   children's day care;
      13.   home occupation use: Following the procedure set forth in § 13.06.190, a conditional home use may be authorized for certain home occupational uses which do not strictly conform to the criteria set forth for home occupation as defined in § 13.06.015.
      14.   multi-family residential units (i.e., tri-plexes and four-plexes);
      15.   public warehouse/building;
      16.   restaurants in the Mallard Lake Subdivision;
      17.   bowling alleys in the Mallard Lake Subdivision;
      18.   commercial smokehouses;
      19.   ATV repair service;
      20.   automotive repair service;
      21.   mobile homes;
      22.   guest lodging/bed and breakfast in a private residence.
   It is the intent of this provision to provide the means for request for the city's consideration of home occupation type uses when special circumstances are present which the applicant feels deserve this consideration. It is the intent of this title that any commercial or industrial operations which would ordinarily be conducted in a commercial or industrial district continue to be conducted in such district and not at home.
   C.   Lot--R-8 zone. In an R-8 zone the lot size shall be as follows:
      1.   The minimum lot area shall be 8,000 square feet, excepting for duplex use;
      2.   The minimum lot area for duplex use shall be 10,000 square feet;
      3.   The maximum lot coverage shall be 35% of the lot area.
   D.   Lot--R-10 zone. In an R-10 zone the lot size shall be as follows:
      1.   The minimum lot area shall be 10,000 square feet;
      2.   The maximum lot coverage shall be 40%.
   E.   Lot--R-20 zone. In an R-20 zone the lot requirements shall be as follows:
      1.   The minimum lot area shall be 20,000 square feet;
      2.   The maximum lot coverage shall be 45%.
   F.   Setback--R-8, R-10 or R-20 zones. Except as may otherwise be provided in § 13.06.020, the setbacks in an R-8, R-10 or R-20 zone shall be as follows:
      1.   The front yard setback shall be a minimum of 20 feet;
      2.   The side yard setback shall be a minimum of five feet for a one-story building, six feet for one and one-half stories and seven feet for a two story building;
      3.   On corner lots the setback shall be 20 feet on each side facing a street other than an alley;
      4.   The rear yard setback shall be a minimum of 15 feet.
   G.   Building height. Except as provided in § 13.06.020, no building in an R-8, R-10 or R-20 zone shall exceed a height of two stories or 30 feet, whichever is less.
   H.   Additional requirements. Additional requirements applicable to these zones include but are not limited to the following:
      1.   Off-street parking and loading, see § 13.06.160;
      2.   Access and egress, see § 13.06.170;
      3.   Enclosure and screening required, see § 13.06.020.
(Ord. 81-09 (part), 1981; Ord. 92-13 § 2, 1992; Ord. 98-16 § 2, 1998; Ord. 99-16 § 1 (part), 1999; Ord. 2000-10, 2000; Ord. 2001-08, 2002; Ord. 2002-03, 2001; Ord. 2002-14, 2002)