Chapter 17.40
(R-3) MULTIPLE-FAMILY RESIDENTIAL ZONING DISTRICT
Sections:
17.40.050 Intensity of use regulations.
17.40.010 Purpose.
A. The principal purpose of this zoning district is to provide for high-density housing along with certain nonresidential neighborhoods in locations which are suitable and appropriate taking into consideration existing conditions, including present use of land, future land use needs, and the availability of public utilities. The minimum lot required is six thousand (6,000) square feet in area and the maximum allowable density is twenty (20) dwelling units per acre.
B. Principal uses permitted in this zoning district include high-density housing, hospitals and institutions of an educational, religious, charitable or philanthropic nature. (Ord. 15-393 § 1 (part): Ord. 90-82 § (1)(801))
17.40.020 Use regulations.
A building or premises shall be used only for the following purposes:
A. Apartments, townhouses, condominiums, two (2) and three (3) family dwellings ("duplexes" and "triplexes");
B. Class A manufactured and factory-built homes. Class A homes meet the following definitions:
1. "Class A factory-built home" means a residential dwelling unit or habitable room thereof which is either wholly or in substantial part manufactured at an off-site location to be assembled on site, except that it does not include a manufactured home. A factory-built home includes modular homes which meet state and local building codes.
2. "Class A manufactured home" means a dwelling unit fabricated in an off-site facility for installation or assembly on location, bearing a label certifying it is constructed in compliance with the Federal Manufactured Housing Construction and Safety Standards Act of 1974 (the HUD Code, which became effective on June 15, 1976).
3. Class A definitions will include the following design standards for either type of home:
a. The home has a minimum width of twenty-four (24) feet and a minimum length of forty (40) feet.
b. The pitch of the home’s roof has a minimum vertical rise of four (4) feet for each twelve (12) feet of horizontal run, and the roof is finished with a type of shingle that is commonly used in conventional residential construction.
c. The home has a minimum eave overhang of twelve (12) inches per side.
d. The exterior siding consists of wood, hardboard, vinyl, brick or masonry. The siding shall be compatible in composition, appearance, and durability to the exterior siding commonly used in conventional residential construction.
e. A foundation wall, unpierced except for required ventilation and access and constructed of masonry, is installed so that it encloses the area under the home to the ground level. This foundation wall shall be constructed per the installation standards established by the State of Arizona Office of Manufactured Housing.
f. The tongue, axles, transporting lights, and towing apparatus are removed after placement on a residential lot and before occupancy.
g. The home has a permanent landing of not less than sixty-four (64) square feet at each door opening.
h. The Class A home being placed on a residential lot must be of new construction and its first placement.
i. A Class A manufactured home placement permit will be required to ensure that all of the above design standards have been met prior to occupancy of the home;
C. Any use permitted in the R-2 zoning district, subject to all the regulations for such R-2 zoning district unless the use is otherwise regulated in this chapter;
D. Hospitals and institutions of an educational, religious, charitable or philanthropic nature, subject to securing a conditional use permit;
E. Accessory buildings and uses customarily incidental to the above uses;
F. Corrals for the keeping of horses, subject to securing a conditional use permit and the requirements of Section 17.104.110 (Equine regulations). (Ord. 15-393 § 1 (part): Ord. 01-193; Ord. 90-82 § (1)(802))
17.40.030 Height regulations.
Building height shall not exceed thirty-five (35) feet in height from grade to the highest point on the roof, unless otherwise provided in Section 17.104.050. (Ord. 15-393 § 1 (part): Ord. 07-293: Ord. 99-167 § 1: Ord. 90-82 § (1)(803))
17.40.040 Yard regulations.
The required yards are as follows:
A. Front Yard.
1. There shall be a front yard having a depth of not less than twenty (20) feet.
2. For through lots, a front yard shall be provided along both front lot lines.
3. Yards along each street side of corner lots shall have a width equal to not less than one-half (1/2) the depth of the required front yard. Yards along each street side of corner lots shall otherwise conform with regulations applicable to front yards.
B. Side Yard. There shall be a side yard on each side of building having a width of not less than five (5) feet.
C. Rear Yard. There shall be a rear yard having a depth of not less than fifteen (15) feet, or, in the case of a legally recorded undersized lot or parcel, fifteen (15%) percent of the total lot depth. (Ord. 15-393 § 1 (part): Ord. 90-82 § (1)(804))
17.40.050 Intensity of use regulations.
The intensity of use regulations are as follows:
A. Lot Area. Each lot shall have a minimum lot area of six thousand (6,000) square feet.
B. Lot Width. Each lot shall have a minimum width of sixty (60) feet.
C. Building Area. The minimum building footprint for all residential structures in a multi-family development shall be one thousand (1,000) square feet.
D. Density. The maximum allowable density is twenty (20) dwelling units per acre.
E. Lot Coverage. The maximum lot coverage shall be fifty (50%) percent of the lot area.
F. Distance Between Buildings. The minimum distance between buildings on the same lot shall be ten (10) feet.
G. Townhouses.
1. Lot Size. Townhouse lots shall have no minimum lot area or width.
2. Lot Coverage. Townhouse developments shall have no lot coverage requirements.
3. Density. The maximum allowable density is twelve (12) dwelling units per acre.
4. Distance Between Buildings. The minimum distance between buildings on the same lot shall be ten (10) feet.
H. All townhouse developments will be treated as subdivisions, and are subject to regulation under Chapter 16.04, subdivision regulations. (Ord. 15-393 § 1 (part): Ord. 90-82 § (1)(705), (805)).