§ 10-1-5 “B” RESIDENTIAL DISTRICT.
   This district is intended to provide areas for detached, single- and two-family dwellings and modular homes as well as apartments, condominiums and townhouses. This area is also appropriate for group homes such as retirement communities.
   (A)   Height. No building shall exceed 40 feet or three stories in height.
   (B)   Front yard. There shall be a front yard having a depth of not less than 20 feet; provided, however, that, where 40% or more of the developed lots within 150 feet on both sides of the subject property having an average front yard variation of not more than six feet, no building hereafter erected or altered shall project beyond the average front yard line so established; provided further that, this regulation shall not require a front yard of more than 30 feet in depth.
   (C)   Rear yard. There shall be a rear yard having a depth of not less than 20 feet, except where a garage is located in the rear yard, the rear yard may be reduced to ten feet.
   (D)   Side yard. There shall be a side yard on each side of the building, having a width of not less than five feet.
   (E)   Obstruction to view. On any corner lot in which a front yard is required by this chapter, no wall, fence or other structure shall be erected, and no hedge, shrub, tree or other growth shall be maintained at a height of four feet or greater within a distance of 30 feet or less of the property line abutting an intersection, or in such location between such front yard line and the street line as to cause danger to traffic by obscuring the view.
   (F)   Use. No building, structure or premises shall be used, and no building or structure shall be erected, structurally altered or maintained, unless otherwise provided in this chapter, except for one or more of the following uses:
      (1)   Any use permitted in the “A” Residence District according to the stipulations therein (if any);
      (2)   Modular homes;
      (3)   Apartments of up to eight units per building with or without a community garage. All apartment buildings shall provide: all required vehicle parking preferably at the rear of the structures; storm water management in compliance with Montana Department of Environmental Quality Circular 8; internal access road(s) built to city standards, paved bicycle/pedestrian facilities a minimum of six feet wide with suitable subgrade materials and compaction connecting to all adjacent streets; landscaped buffers a minimum of ten feet in width surrounding the exterior boundaries of the property consisting of a minimum of one large canopy tree (minimum 15 feet in height), two small ornamental trees and four shrubs (minimum six inches in height), including irrigation, for each 40 lineal feet. Such landscaping may be clustered to provide a “natural” look; at least 200 square feet of usable open park area per unit developed with benches, picnic facilities, landscaping, playground equipment or similar improvements; and architectural design that includes visual variety among structures in the neighborhood in terms of color, orientation on the site, roofline, design, height and form and that breaks structural planes by including multiple roof lines, bays and similar features;
      (4)   Condominiums subject to the standards listed under division (F)(3) above;
      (5)   Townhouses subject to the standards listed under division (F)(3) above;
      (6)   Hospitals and clinics;
      (7)   Institutions of a philanthropic nature;
      (8)   Undertaking parlors; and
      (9)   Accessory buildings incidental to the above uses located on the same lot including one private garage per dwelling.
   (G)   Fence regulations. No fence shall exceed eight feet in height where the fence faces an alley, six feet on side yard boundary line and six feet in height on a front yard boundary line; provided further that, no fence shall exceed four feet in height within 30 feet of a curb line of an intersection.
   (H)   Lot area per family. Every single family dwelling hereafter erected, altered or maintained shall be upon a lot area of not less than 7,500 square feet. Every single-story multiple dwelling building shall be upon a lot area of not less than 4,000 square feet per family unit and every multiple story multi-dwelling building shall be upon a lot area of not less than 3,000 square feet per family unit.
   (I)   Maximum lot coverage area. 50%.
(1992 Code, § 9-1-105)