MR (Multiple-Household Residential) Zoning Districts are established to achieve the following purposes:

1. To provide high-density residential development in locations with adequate infrastructure;
2. To allow only those additional uses that are complementary to higher density residential uses.
3. To stabilize and protect residential development.
   

The MR (Multiple-Household Residential) Zoning District shall be further divided into the following density districts, which are so designated on the Official Zoning District Map, and subject to the regulations herein:

1. MR-1
2. MR-2

Existing MR-A, MR-B, and MR-C Zoning Districts shall be subject to the requirements of the MR-1 Zoning District. Existing MH-72, MH-54, MH-36, and MH-18 Zoning Districts shall be subject to the requirements of the MR-2 Zoning District. See Section 2.27.040(1) for minimum site areas and maximum density.

The following uses shall be permitted in all MR Zoning Districts, provided that they conform to the applicable site development standards for such uses set forth below and meet any other requirements for such uses found in these Zoning Regulations, such as off-site road and drainage improvements.

1. MR-1 Single- and Multiple-Household Dwellings excluding Rehabilitated Mobile Homes, Manufactured Homes, and Recreational Vehicles.
2. MR-2 Single- and Multiple-Household Dwellings, including Rehabilitated Mobile Homes, Manufactured Homes, Mobile Home Parks, Manufactured Home Parks, and Recreational Vehicle Parks; subject to the maximum densities of Section 2.27.040(1). The standards set forth in Article 2.51 shall apply.
3. Community Gardens.
4. Educational Services.
5. Emergency Vehicle Stations not otherwise exempted by Article 2.57.
6. Facilities, Indoor and/or Outdoor, approved as part of a subdivision review process for subdivision residents and guests only.
7. Group Quarters.
8. Residential Care Homes.
9. Utility Installations not otherwise exempted by Article 2.57, other than Electric Generation Plants, Regional Sewage Treatment Plants, Solid Waste Landfills, or Incinerators.

All uses permitted in MR Zoning Districts shall conform to the following minimum site development standards in addition to the provisions of Article 2.51:

1. Minimum Site Area and Maximum Density.
   
   

   DISTRICT	MINIMUM SITE AREA	MAXIMUM DENSITY
   MR-1	3,600-square feet	One dwelling per 3,600-square feet
   MR-2	3,600-square feet	One dwelling per 3,600-square feet
   PREVIOUSLY
   MH-18	1,800-square feet	One dwelling unit per 1,800-square feet
   MH-36	3,600-square feet	One dwelling unit per 3,600-square feet
   MH-54	5,400-square feet	One dwelling unit per 5,400-square feet
   MH-72	7,200-square feet	One dwelling unit per 7,200-square feet

2. Maximum Height.
   
   

   Principal structure	40 feet above grade
   Accessory structure	20 feet above grade
   Wall or fence	8 feet above grade

3. Setbacks, Principal and Accessory Structures/Uses. The minimum setback shall be measured from the closest point on the property line or the edge of the road travel way to the structure/use, whichever is closer. The minimum required setbacks for permitted uses are:
   1. For those MR Zoning Districts which abut MR, NB, GB, LI, HI, or PD Zoning Districts, the setback shall be a minimum of 7.5-feet. Zero lot lines between townhouses or condominiums within an approved subdivision shall be permitted.
   2. For those MR Zoning Districts which abut RU, R, SM, or SR Zoning Districts, the setback shall be a minimum of 20 feet. Zero lot lines between townhouses or condominiums within an approved subdivision shall be permitted.
4. Maximum Site Coverage. 70-Percent.
5. Distance Between Structures. Except as otherwise provided in these Zoning Regulations, the minimum distance between principal structures shall be 15 feet, 10 feet for multiple-household structures. Nothing herein shall prevent the permanent attachment of structures.
6. Screening. In Category A, B, and C Growth Areas, whenever a non-residential use abuts a residential Zoning District or is separated therefrom by an alley, the developed area of the non-residential site shall be screened with a 6-foot-high solid screen (see Article 2.03 for definition). Non-residential outdoor storage shall be screened regardless of abutting Zoning District. The County Zoning Inspector may defer the screening if the abutting residentially zoned property is not yet developed with a residential use. In Category D (Rural) Areas, whenever a non-residential use abuts an area designated as Rural Residential (RR), the developed area of the non-residential site shall be screened with a 6-foot-high solid screen; otherwise, screening is not required.
7. Alternative Conservation Subdivision Options. Pursuant to the Cochise County Subdivision Regulations, the Residential Conservation Subdivision option, providing a wider latitude of design, more economical use of land, and density bonuses, is available for the development of residential subdivisions.

Accessory uses are permitted in MR Zoning Districts, provided they are customarily incidental to an established permitted principal use. For residential uses, the following additional accessory uses and buildings shall be permitted:

1. Recreational Vehicles (RVs) are allowed as follows:
   1. No permit is required for the storage of no more than two RVs on a parcel.
   2. Temporary occupancy of one RV in conjunction with permitted principal use for up to six months in a calendar year with a required Temporary Use Permit; stays of 15 consecutive days or less do not require a permit.
   3. Temporary occupancy of RVs in conjunction with the construction of a residential or non-residential permitted principal use. Such occupancy shall be limited to the length of the building permit with a required Temporary Use Permit, subject to procedures in Article 2.48.
   4. Recreational vehicles accessory to a principal permitted use may not be rented out.
2. Rooms in the principal dwelling for roomers, not exceeding two such persons per dwelling unit (no permit is required).
3. Family Cemeteries on a minimum parcel of one acre, subject to procedures in Article 2.51 (informational permit is required).
4. Home Occupations.
5. Wind Energy Systems, subject to site development standards in Article 2.51.
6. Solar Energy Systems, subject to site development standards in Article 2.51.
7. Accessory Dwelling Unit(s), subject to the definition in Article 2.03 and the procedures in Article 2.48.

The following land uses require a Special Use Authorization from the Planning Commission in the MR Zoning Districts, subject to the procedures and review criteria set forth in Article 2.48. If granted, each land use will also require a Non-Residential Use permit.

1. Cemeteries.
2. Civic, Social, Fraternal, and/or Business Associations.
3. Cultural, Historic, and/or Nature Exhibits.
4. Day Care Facilities or Establishments.
5. Farmers Markets.
6. Golf Courses subject to the site development standards in Article 2.51.
7. Grocery Stores.
8. Health Clinics.
9. Hospitals.
10. Personal and Professional Services.
11. Recreational Facilities, Indoor and/or Outdoor.
12. Regional Sewage Treatment Plants.
13. Residential Care Institutions.
14. Welfare and/or Charitable Services.