12-3-3: LOW DENSITY RESIDENTIAL DISTRICT (R-1):
   A.   Purpose: This district is intended to provide for the development of single-family residences and two-family residences at a density compatible with existing residential development. This district also accommodates those institutional and public uses compatible with residential neighborhoods.
   B.   Permitted Principal Uses: The following uses are permitted within this district:
      Assisted living facility.
      Churches.
      Libraries, museums, schools; public or private.
      Nursing homes.
      Parks, playgrounds, recreational facilities.
      Single-family dwellings, constructed on site or assembled as modular homes, and Class A mobile homes.
      Two-family dwellings.
      Where licensed by the Montana Department of Public Health and Human Services, group homes serving disabled persons, halfway houses providing drug or alcohol rehabilitation, adult foster family daycare facilities, and group daycare homes serving twelve (12) or fewer children.
      Youth foster homes or youth group homes.
   C.   Conditional Uses: The following uses must comply with the additional conditions specified below. Approval of these conditional uses must be obtained from the Zoning Commission under the provisions of section 12-1-11 of this title.
 
Uses
Conditions
Nursing homes; 24-hour per day care facilities
1. Conform to off-street parking requirements specified in section 12-2-7 of this title.
2. Provide safe ingress/egress onto public streets.
3. Lot will be of adequate size and width to accommodate the proposed use, and the yard and parking requirements.
Planned unit developments that seek waivers from district requirements, in accordance with the requirements of section 12-2-11 of this title
1. For PUDs containing residences, the development plan provides for placement of housing units and street and open space design and layout that ensures: a) privacy for residents, b) safe entry from lots onto public streets, c) usable yard areas, d) adequate off-street parking, e) proper installation of utilities, and f) access by emergency vehicles.
2. Placement of structures shall take into consideration topography, privacy, building height and orientation, drainage and aesthetics.
 
   D.   Accessory And Temporary Uses Permitted: The following accessory and temporary uses are permitted in this district:
      Accessory buildings and uses incidental to the above principal uses.
      Home occupations under the requirements of section 12-2-3 of this title.
      Temporary buildings for and during construction only.
   E.   Lot Area And Width: Except for existing lots of record which, because of ownership, cannot be reassembled to conform to this requirement, the following lot areas and widths are required:
      1.   Single-Family Dwelling: Each lot shall contain a minimum of seven thousand (7,000) square feet, and be at least fifty feet (50') wide.
      2.   Two-Family Dwellings: Each lot shall contain a minimum of eight thousand (8,000) square feet, and be at least fifty feet (50') wide.
      3.   On-Site Water And Sewage: Where either or both water supply and sewage treatment will be provided on-site, the minimum lot size shall be determined by the Montana Department of Environmental Quality.
   F.   Yard Requirements: Every lot shall have the following yard requirements as measured from the farthest extension of the structure:
      1.   Front Yard: A twenty five foot (25') yard shall be provided on all street frontages (as measured from the curb line, drainage swale or equivalent drainage facility). Corner lots shall be construed as having two (2) frontages, each of which shall require a twenty five foot (25') yard.
      2.   Side Yard: Side yards abutting interior lot lines shall not be less than five feet (5').
      3.   Rear Yard: A rear yard of at least fifteen feet (15') shall be provided, except where a garage is located within the rear yard, the rear yard may be reduced to three feet (3').
   G.   Building Height: Maximum height for all buildings and other structures shall be thirty feet (30').
   H.   Signs: The following signs are permitted in this district:
      1.   For residential uses, nonilluminated signs a maximum of eight (8) square feet in area.
      2.   For all other uses, nonilluminated signs, including bulletin boards at schools and churches, not exceeding sixteen (16) square feet in area, provided the sign is located at least ten feet (10') from any road right-of-way and does not obstruct traffic visibility. (Ord. 2000-03, 9-13-2000; amd. Ord. 2017-01, 3-13-2017; Ord. 2020-01, 6-8-2020)