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(A) Purpose. The purpose of this zoning district is to provide for high-density attached residential development and destination tourism uses within designated activity centers where adequate public facilities and services are available. It is intended that this district accommodate multistory residential and tourist developments incorporating unique design and exceptional amenities. Detached single residence dwelling units shall not be permitted from and after March 1, 2016.

(B) Permitted Uses – “R-3” Zoning District.

(1) Multi-residential developments (maximum of 20 dwelling units per acre). Detached single residence dwelling units shall not be permitted from and after March 1, 2016.

(2) Cemeteries, crematoriums, columbaria and mausoleums including associated on-site mortuary.

(3) Tennis courts and golf courses including clubhouses located thereon and unlighted driving ranges but not including miniature golf courses.

(4) Public and private utility installations, but not including business offices, repair or storage facilities, wastewater treatment plants, booster stations, and generating plants.

(5) Child care, home-based. Home-based child care shall comply with the State of Arizona Department of Health Services regulations for licensing.

(6) Home occupations as prescribed in Chapter 18.70 SLCC.

(7) Accessory buildings and accessory uses as prescribed in Chapter 18.70 SLCC.

(C) Conditional Uses – “R-3” Zoning District.

(1) Public schools (K-12).

(2) Private schools, charter schools, or boarding schools with a curriculum substantially the same as customarily offered in public schools.

(3) Religious institutions.

(4) Child care center; provided, that:

(a) The facility provides the required outdoor play area; and

(b) The facility is licensed by the State of Arizona Department of Health Services.

(c) Detached single residence dwelling units shall not be permitted from and after March 1, 2016.

(5) Resorts, but not hotels or motels; provided, that the following standards shall apply:

(a) Each development shall have a minimum area of 20 acres;

(b) Each development shall provide a restaurant on site;

(c) The resort shall provide outside recreational amenities, such as but not limited to golf, horseback riding, tennis or swimming; and

(d) The resort development may include meeting rooms or a conference center, health club and spa facilities, beauty and retail shops accessible only from within the primary resort building.

(6) Time-share developments.

(7) Assisted living facilities, nursing homes, congregate care facilities, convalescent homes and homes for the aged; provided, that the following standards shall apply:

(a) A minimum of 25 square feet of usable outdoor open space shall be required per bed and may be calculated as part of the overall open space required for the development; and

(b) The facility is licensed by the State of Arizona Department of Health Services.

(8) Wireless communication towers and antennas in accordance with the requirements of Chapter 18.95 SLCC.

(D) Temporary Uses – “R-3” Zoning District.

(1) Temporary sales office pertaining to the sale of dwelling units being constructed in the immediate development. In the review for a sales office, the City may consider lighting, landscaping, hours of operation, signage, parking, duration, and neighborhood impact. Approval may be granted for a two-year period, or until all units in the development are sold, whichever occurs first.

(2) Temporary construction site trailer pertinent to the construction of the residential units or buildings and public improvements within the immediate development.

(3) Temporary uses such as revivals, carnivals, circuses, auctions, holidays or seasonal boutiques or tree lots when uses are located on property with appropriate dust control abatement.

(E) Site Design Standards – “R-3” Zoning District. Multiple residential developments and construction should complement and enhance the built environment of the surrounding residential structures and neighborhood through the creative and imaginative application of architecture, landscape and site design standards.

(1) All new residential developments (subdivisions) shall be subject to all requirements set forth in the San Luis Subdivision Ordinance.

(2) Parking areas, if other than a driveway, that are adjacent to the required front yard shall be screened by a decorative wall or landscape berm or combination thereof to a height not to exceed three feet in order to adequately screen the parked vehicles.

(3) Trash and refuse collection containers shall be screened with a six-foot decorative wall. Trash and refuse areas shall be located such that they are not the visual focal point of a driveway or parking area, or cannot be viewed from a public street.

(4) All multiple residence developments having more than ten dwelling units shall include a recreational amenity for the residents’ use at the rate of one amenity per ten dwelling units. Examples of such amenities include, but are not limited to, swimming pool, tot lot, sport court, ramada with picnic tables and barbeque grill. The area utilized by the recreational amenity may be calculated as part of the overall open space required for the development.

(5) Every unit is encouraged to be developed with either a private patio or balcony a minimum of 150 square feet in size. If this private usable outdoor open space is provided it may be calculated as part of the overall open space required for the development.

(6) All multiple residential buildings shall provide parking in accordance with Chapter 18.75 SLCC. All multiple residential buildings shall provide one covered parking space per dwelling unit. The required covered parking canopy shall provide motion sensor/detector light fixtures which are to be placed under the parking shade canopy.

(7) Mechanical equipment and similar utility devices, whether ground level or roof mounted, shall be screened from public view and designed to appear as an integral part of the building. The mechanical equipment screening shall be included in the overall building height. Mechanical equipment shall be treated to be nonreflective. Electrical meters, service components, and SES cabinets should be screened from public view and designed to appear as an integral part of the building.

(8) All multistory buildings shall incorporate 360º architecture. A variety of massing and building heights and stepping rooflines is strongly encouraged. Straight rooflines should be minimized by using offsets, differing heights, stepping, or different orientations to produce more variety within a development. Roof material shall not be wood shake shingles.

(9) Reflective building materials are prohibited. Mirrored surfaces or any treatment that changes ordinary glass into a mirrored surface are prohibited. Metallic surfaces, including roof materials, shall be chemically treated to be nonreflective.

(10) The building materials of a project shall be durable, require low maintenance, and be of the same or higher quality as surrounding developments. The City strongly encourages all new buildings to meet LEED (Leadership in Energy and Environmental Design) certification standards.

(G) Open Space Standards – “R-3” Zoning District.

(1) All new multiple residential developments, including but not limited to apartments and condominiums, shall be required to provide open space, provide buffering to adjacent developments, and provide landscaping.

(2) Open space shall be required for each development, as delineated in Table No. 4, regardless of whether it is a residential or nonresidential development. Open space does not include parking areas.

(3) Open space may be left as landscaped open space or may be developed with recreational amenities for the use and enjoyment of the residents.

Table No. 4. Open Space Requirements – Multiple Residence Zoning Districts

(see Open Space definitions in SLCC 18.05.130)

Zoning District

Open Space Percentage

“R-2”

5%

“R-3”

5%

Table No. 5. Development Standards – Multiple Residence Zoning Districts

Zoning District

Minimum Lot Size (sq. ft.)

Min. Area/DU Total Density

Minimum Lot Width (feet)

Maximum Bldg. Height (feet)

Minimum Yard Setback (feet)

Maximum Lot Coverage

Front

Garage Entrance

Side

Street Side

Rear

R-2

4,000(e)

4,000(e) 10 du/ac

40(a)(e)

35(d)

20

18

7(b)(c)(f)

10

10(b)

50%

R-3

4,000

2,000/du 20 du/ac

30(a)

60

20

18

10(b)(c)(f)

10(b)

10(b)

50%

(du) means dwelling units.

(ac) means acre.

(a)Lot width on corner lots shall be increased by five feet.

(b)Or one-half the height of the building measured at the property line, whichever is greater (except for single residence dwellings).

(c)Projections into required setbacks are not allowed.

(d)Attached single residence dwellings shall be limited to a height of 20 feet.

(e)Lots for attached townhouses may be reduced to 2,500 square feet and 30 feet minimum lot width.

(f)Applies only to the perimeter units of an attached unit product.

(Ord. 312 § 2(6.2), passed 4-11-2012; Ord. 347 § 6, passed 1-27-2016; Ord. 417 § 2, passed 6-9-2021. Code 2012 § 152.092.)