12-411: DENSITY AND DIMENSIONAL STANDARDS; FORESTRY, AGRICULTURAL/FORESTRY AND RURAL ZONES:
   TABLE 4-1
   DENSITY AND DIMENSIONAL STANDARDS
Standard
Zoning District
F
A/F-20
A/F-10
R-10
R-5
Standard
Zoning District
F
A/F-20
A/F-10
R-10
R-5
Minimum lot sizes (acres) (1), (2)
40 (4)
20 (5)
10 (6)
10 (6)
5 (7)
Maximum residential density
1 dwelling unit per minimum lot sizes (3), (8)
Minimum street setback (9), (10), (13)
25 feet
25 feet
25 feet
25 feet
25 feet
Minimum property line setback (11), (12), (13)
25 feet
25 feet
25 feet
25 feet
25 feet
On premises sign property line or street setback
25 feet
25 feet
25 feet
25 feet
25 feet
Maximum lot coverage
(14)
(14)
(14)
(14)
(14)
 
Requirements Or Exceptions:
   (1)   Building lots in conservation subdivisions can be smaller than the minimum lot size for each zone. See chapter 6, subchapter 6.3 of this title for more details.
   (2)   For the purposes of subdividing or adjusting lots or parcel lines: Gross acreage may include rights of way within the boundaries of the land being subdivided or where right of way has been dedicated within the subject aliquot division of a section of land. Acreages may be rounded off per the following: 4.95 acres and larger shall be considered 5 acres; 9.95 acres and larger shall be considered 10 acres; 19.95 acres and larger shall be considered 20 acres; 39.95 acres and larger shall be considered 40 acres.
   (3)   Density may be increased via conservation subdivision provisions set forth in section 12-637 of this title for properties in the A/F and R zones.
   (4)   Or 1/16 aliquot division of the section minimum site area.
   (5)   Or 1/32 aliquot division of the section minimum site area.
   (6)   Or 1/64 aliquot division of the section minimum site area.
   (7)   Or 1/128 aliquot division of the section minimum site area.
   (8)   Dwellings, not to exceed a total of 3 single family dwellings, may be permitted on a single lot or parcel of land; providing, that the lot or parcel is large enough to comply with the density requirements of the zone. The maximum density of dwellings on a single lot or parcel of land shall be calculated using only non-submerged land. For example, 3 single family dwellings may be permitted on a 15 acre lot or parcel in the Rural 5 (R-5) district. Exceptions:
      a.   The total allowable number of dwellings does not apply to temporary or seasonal farm labor housing, such as a bunkhouse where only sleeping quarters are provided for farmworkers.
      b.   Additional single family dwellings may be allowed on lot in a conservation subdivision or PUD, provided the subdivision or development plan complies with the density requirements of the district and where the single family dwellings are authorized on the plat, if applicable.
   (9)    From Street as defined in BCRC 12-819 including any portion of a private easement providing access to three (3) or more lots or parcels beyond the subject lot or parcel.
   (10)   Utility structures not exceeding 30 square feet, such as well houses may be permitted within the required street setback, when necessary per applicable utility company or property owner.
   (11)   For legal nonconforming lots or parcels the following setback exceptions may be applied, provided snow storage and stormwater are accommodated on the subject site:
      a.   The minimum property line setback may be reduced to 5 feet for lots/parcels of less than one (1) acre.
      b.   The minimum property line setback may be reduced to 10 feet for lots/parcels larger than 1 acre but less than 5 acres.
   (12)   Setback requirements per this subchapter do not exempt land owners from deeded restrictions or confirm landowners are not building in recorded or prescriptive ingress/egress boundaries. Nothing in this Title shall be construed to relieve an applicant from complying with deeded restrictions, prescriptive easements or legally binding easement boundaries.
   (13)   The minimum property line setbacks for agricultural buildings and other nonresidential structures shall be at least 40 feet, the minimum setback requirements may be reduced to 50 percent of the requirement if acceptable landscaping or screening, approved by the planning director, is provided. Such screening shall be masonry or solid fence between 4 feet and 8 feet in height, maintained in safe condition and free of all advertising or other signs on the residential side of lot or parcel. Landscaping provided in lieu of such wall or fence shall consist of a strip of land not less than 20 feet in width, planted with an evergreen hedge or dense planting of evergreen shrubs not less than 4 feet in height at the time of planting. The setback may be reduced to 25 feet from property line or a street. The minimum property line setbacks for agricultural buildings used solely for growing and harvesting crops shall be 5 feet. The minimum street setback for row covers, hoop houses or other membrane covered, season extending structures may be reduced to 15 feet, provided they are not on permanent foundations.
   (14)   For legal nonconforming lots or parcels less than 1 acre in size, the maximum lot coverage shall be 35 percent.
(Ord. 501, 11-18-2008; amd. Ord. 512, 1-6-2010; Ord. 516, 6-9-2010; Ord. 520, 12-8-2010; Ord. 538, 6-26-2014; Ord. 606, 7-14-2020; Ord. 700, 10-11-2023)