The R-2 zone is intended primarily to accommodate two-family residences in specified low-density residential areas. It is also intended that the R-2 zone should be used to further encourage improvements in the areas of Butte-Silver Bow, state of Montana, which manifest a building trend toward two-family residences and/or unduly slow and sparse development of one-family residences. To achieve this intent, the regulations in this chapter and the supplementary regulations in Chapter 17.38 shall apply in the R-2 zone.

(Ord. 53 § 50-1, 1978)

Hereafter in the R-2 zone, no building or structure shall be erected, altered, enlarged, or relocated therein which is designed or intended to be used for any use other than the following unless otherwise provided in this title:

A.

Dwellings:

1.

Single-family;

2.

Two family;

3.

Manufactured homes:

a.

Class A,

b.

Modular;

B.

Conversions as permitted under Section 17.38.110;

C.

Accessory uses ordinarily appurtenant to permitted uses, including one detached private garage for each dwelling unit. Detached accessory structures, including private garages, shall not be located in the front yard nor less than ten feet from any adjoining side street, except detached accessory structures located in the rear yard may extend to within three feet of the rear property line when abutting an alleyway or within five feet of an inside property line when an alley does not exist. Private garages attached to or within the residence shall adhere to the setback requirement of the residence. In all cases, there shall be a minimum off-street parking apron of twenty feet in length directly in front of all garage door entrances when accessing a street either to the front or side of a residence. Where garage doors access an alley, the off-street parking apron shall be at least ten feet; accessory structures shall not contain any habitable space or room;

D.

Day care homes, family or group;

E.

Other uses permitted under the supplementary use regulations in Section 17.38.170 through 17.38.240.

(Ord. 00-9 § 1 (part), 2000; Ord. 437 § 11, 1992; Ord. 296 § 1 (part), 1987; Ord. 295 § 1 (part), 1987; Ord. 155 § 1(d), 1982; Ord. 53 § 50-2, 1978)

Conditional uses shall be as follows:

A.

Manufactured Homes Class B as to the provisions of Chapter 17.37;

B.

Home occupations.

(Ord. 00-9 § 1 (part), 2000; Ord. 437 § 12, 1992; Ord. 53 § 50-3, 1978)

Building height limits shall be the same as permitted in the R-1 zone, Section 17.10.040.

(Ord. 53 § 50-4, 1978)

Minimum lot area shall be as follows:

A.

Single-family dwellings, six thousand square feet; and as applicable under Chapter 17.38;

B.

Two-family dwellings, seven thousand five hundred square feet; and as applicable under Chapter 17.38.

(Ord. 296 § 1 (part), 1987; Ord. 295 § 1 (part), 1987; Ord. 53 § 50-5, 1978)

Minimum lot width shall be as follows:

A.

Single-family dwelling, sixty feet;

B.

Two-family dwelling, seventy-five feet.

(Ord. 296 § 1 (part), 1987; Ord. 295 § 1 (part), 1987; Ord. 53 § 50-6, 1978)

Minimum front yard depth shall be twenty feet. When fronting on the right-of-way of a major thoroughfare shown on the official major street system and committed improvements plan, the front yard shall be measured from the proposed right-of-way.

(Ord. 296 § 1 (part), 1987; Ord. 295 § 1 (part), 1987: Ord. 53 § 50-7, 1978)

One-story dwellings shall have a minimum of a five foot side yard; a two-story dwelling shall have a minimum of an eight-foot side yard; and each additional story over two shall have an additional four feet, for each story, added to the required side yard.

However, any side yard abutting a street shall have a minimum setback of ten feet including accessory structures.

(Ord. 296 § 1 (part), 1987: Ord. 295 § 1 (part), 1987: Ord. 53 § 50-8, 1978)

Minimum rear yard depth for one-family and two-family dwellings shall be ten feet, and thirty-five feet for other principal buildings. There shall be a minimum fifteen-foot rear yard setback for two or more stories on dwellings.

(Ord. 296 § 1 (part), 1987: Ord. 295 § 1 (part), 1987: Ord. 53 § 50-9, 1978)

The maximum structure coverage of the lot shall not exceed thirty-five percent.

(Ord. 53 § 50-10, 1978)