§ 154-05.04  Low Density Residential Districts (R-1-6, R-1-8, R-1-12, R-1-20 and R-1-40).
   (A)   Purpose.  Within any low density residential districts, no buildings, structures or premises shall be used, and no building or structures shall be erected, which is intended or designed to be used in whole or in part for any industrial, manufacturing, trade or commercial purpose, except as permitted in this subchapter, or for any other purpose than the following specified uses.
('80 Code, App. A, § 71)  (Ord. 583, passed 9-16-1952; Ord. O95-040, passed 9-5-1995)
   (B)   Applicability.  The allowed residential density of the Low Density Residential Districts shall be in conformance with the appropriate General Plan Land Use Designation and in compliance with the Zoning Conformity Matrix.
('80 Code, App. A, § 71)  (Ord. 583, passed 9-16-1952; Ord. O95-040, passed 9-5-1995)
   (C)   Permitted principal uses.
      (1)   One single-family dwelling;
      (2)   Rooming and boarding houses, (small) (SIC 7021);
      (3)   Residential care facility, small (SIC 8361);
      (4)   Child day care services, small;
      (5)   Publicly owned and operated parks, playgrounds and recreation uses;
      (6)   Public and private elementary and secondary schools;
      (7)   In the R-1-40 District only, farms, truck gardens and the raising of poultry, rabbits and other small farm animals for domestic use. The keeping of horses and other large farm animals for domestic use shall be limited to one large animal per each 10,000 square feet of side and rear yard area. Any building or shade for the animals shall be at least 100 feet from any other existing or potential dwelling on adjacent lots; and
      (8)   Community garden.
('80 Code, App. A, § 71)  (Ord. 583, passed 9-16-1952; Ord. O95-040, passed 9-5-1995; Ord. O2009-29, passed 10-7-2009; Ord. O2015-021, passed 4-15-2015; Ord. O2017-026, passed 8-16-2017)
   (D)   Permitted accessory uses.
      (1)   Accessory uses of buildings or structures customarily incident to any use permitted by this subchapter such as swimming pools, servant and guest quarters without kitchen facilities, private garages, as hereinafter provided, or private work shops, provided that none shall be conducted for gain or that no accessory buildings shall be inhabited by anyone other than those employed by the owner or tenant of the premises, and further provided, that in the event such accessory structure or building is used in whole or in part for living quarters, same shall be set back at least ten feet from the rear lot line of any lot;
      (2)   Home occupations;
      (3)   Wall-mounted and concealed/disguised personal wireless communication facilities, in accordance with Article 19 herein, are permitted as an accessory use for legally established nonresidential uses only. Wall strapping of a personal wireless communications facility is not permitted.
         (a)   Personal wireless communication facilities are not permitted in conjunction with legal nonconforming uses.
         (b)   The use of lattice tower structures for any personal wireless communication facility is not permitted.
      (4)   In the R-1-6, R-1-8 and R-1-12 Districts only, accessory buildings, uses and structures are subject to the criteria specified in § 154-15.15 of this chapter.
      (5)   Accessory dwelling units.
('80 Code, App. A, § 71)  (Ord. 583, passed 9-16-1952; Ord. O95-040, passed 9-5-1995; Ord. O2000-35, passed 6-21-2000; Ord. O2002-08, passed 2-6-2002; Ord. O2002-09, passed 2-20-2002; Ord. O2014-29, passed 10-1-2014; Ord. O2017-013, passed 5-3-2017)
   (E)   Conditional uses.
      (1)   Child day care service, large:  Day care for six or more children is permitted upon compliance with the following:
(Ord. O2008-33, passed 8-6-2008)
         (a)   The seven standard criteria for reviewing conditional use applications (see § 154-03.05(G)(2));
         (b)   The facility must be licensed by the State Department of Health Services;
         (c)   There shall be no swimming pool on the site, unless the pool is in compliance with the current adopted Pool Safety Codes per the Arizona Revised Statutes;
         (d)   Any outside play area shall be enclosed by a five foot high solid wall or fence with self-latching gate;
         (e)   There shall be no structural additions or equipment not customarily in a residential dwelling, excepting those modifications required under state licensing, building code or fire code regulations pertaining to this class of child day care service; and
         (f)   In granting any conditional use permit, the Planning and Zoning Commission may prescribe appropriate conditions and safeguards in conformity with this chapter; including, but not limited to, setback and coverage requirements, off-street parking and screening structures and materials to hold to reasonable levels the impact on surrounding uses, and hours of operation.
      (2)   Religious institutions including related buildings and activities;
      (3)   Membership-based lodging (SIC 7014);
      (4)   Cemetery, crematory or mausoleum;
      (5)   Public and quasi-public utility buildings and facilities when necessary for service to the surrounding territory, provided that no public business offices and no repair or storage facilities are maintained therein. Electric substations must be enclosed within a wall or fence adequate to prohibit passage of persons and to provide screening from public view; and
      (6)   Company housing complex (small); per § 154-15.19 of this chapter.
('80 Code, App. A, § 71)  (Ord. 583, passed 9-16-1952; Ord. O95-040, passed 9-5-1995; Ord. O2019-022, passed 6-5-2019)
   (F)   Property development standards.  In addition to the regulations and requirements contained in other sections of this chapter, the following minimum property development standards apply to all land and buildings in the five Low Density Residential Districts as may be designated on the official zoning map.
      (1)   Lot size.  The following is the list of minimum lot sizes for each of the five Low Density Residential (R-1) Districts:
         (a)   Low Density Residential-40 (R-1-40) District.  Forty thousand square foot minimum lot size;
         (b)   Low Density Residential-20 (R-1-20) District.  Twenty thousand square foot minimum lot size;
         (c)   Low Density Residential-12 (R-1-12) District.  Twelve thousand square foot minimum lot size;
         (d)   Low Density Residential-8 (R-1-8) District.  Eight thousand square foot minimum lot size; and
         (e)   Low Density Residential-6 (R-1-6) District.  Six thousand square foot minimum lot size.
      (2)   Lot widths.  The following is the list of minimum lot widths for each of the five Low Density Residential (R-1) Districts:
         (a)   Low Density Residential-40 (R-1-40) District.  One hundred feet;
         (b)   Low Density Residential-20 (R-1-20) District.  One hundred feet;
         (c)   Low Density Residential-12 (R-1-12) District.  Eighty feet;
         (d)   Low Density Residential-8 (R-1-8) District.  Seventy feet; and
         (e)   Low Density Residential-6 (R-1-6) District.  Fifty feet.
      (3)   Lot coverage.  The maximum lot coverage for the R-1-40, R-1-20, R-1-12, R-1-8 and the R-1-6 Districts shall be 35% of the lot area. The first 600 square feet of covered parking shall be permitted in addition to the maximum lot coverage percentage listed above.
      (4)   Yards.  The following is the list of minimum yard setbacks for the five Low Density Residential (R-1) Districts:
         (a)   Minimum front yard setback.  Twenty feet;
         (b)   Minimum side yard setback.  Seven feet;
         (c)   Minimum rear yard setback.  Twenty feet (reduced to ten feet in the R-1-6 District); and
         (d)   Minimum street side yard setback.  Ten feet.
      (5)   Building heights.  The maximum building height in the five Low Density Residential (R-1) Districts shall be 40 feet.
      (6)   Landscaping and irrigation.  Landscaping and irrigation shall be provided in the manner set forth in Article 20 of this chapter.
      (7)   Off-street parking.  Off-street parking shall be provided in the manner set forth in Article 16 of this chapter.
('80 Code, App. A, § 71)  (Ord. 583, passed 9-16-1952; Ord. O95-040, passed 9-5-1995; Ord. O2006-39, passed 6-21-2006; Ord. O2010-32, passed 7-7-2010; Ord. O2010-63, passed 12-1-2010; Ord. O2010-64, passed 12-15-2010)  Penalty, see § 154-999