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Pima County Unincorporated
City Zoning Code

CHAPTER 18

21 CR-1 SINGLE RESIDENCE ZONE

18.21.010 Permitted uses.

   A.   Uses permitted:
      1.   All uses as permitted in Section 18.09.020(A) (General Residential and Rural Zoning Provisions);
      2.   Temporary trailer or manufactured home: In accordance with Section 18.17.020(A)(2) (SR Suburban Ranch Zone);
      3.   Agriculture or horticulture:
         a.   Used only for the purpose of propagation and culture and not for retail sales, including any number of poultry, rabbits, and similar small animals,
         b.   On lots of not less than thirty-six thousand square feet not more than one head of cattle, horses, sheep, or goats, rattie, or other similar animals more than six months of age per ten thousand square feet of lot area, excluding swine;
      4.   College or governmental structure: In accordance with Section 18.17.030(C)(6) (SR Suburban Ranch Zone);
      5.   Community service agency: In accordance with Section 18.17.030(C)(7) (SR Suburban Ranch Zone);
      6.   Library: In accordance with Section 18.17.030(B)(1) (SR Suburban Ranch Zone);
      7.   Playground or athletic field: In accordance with Section 18.17.030(B)(2) (SR Suburban Ranch Zone);
      8.   Temporary real estate office: In accordance with Section 18.17.020(A)(8) (SR Suburban Ranch Zone);
      9.   Museum: In accordance with Section 18.17.030(D)(2) (SR Suburban Ranch Zone).
(Ord. 2017-36 § 15 (part), 2017; Ord. 1998-36 § 8, 1998; Ord. 1986-125 § 1 (part), 1986; Ord. 1985-153 § 1 (part), 1985; Ord. 1985-82 (part), 1985)

18.21.020 Conditional uses.

   A.   Uses conditionally permitted:
      1.   Club or lodge: In accordance with Section 18.17.030(C)(2) (SR Suburban Ranch Zone);
      2.   Community stable: In accordance with Section 18.17.030(C)(4) (SR Suburban Ranch Zone).
      3.   Animal Rescue and Sanctuary Facility:
         a.   Type I procedure.
         b.   Subject to Section 18.09.020(N).
(Ord. 2017-36 § 15 (part), 2017; Ord. 2007-81 § 9, 2007; Ord. 1994-146 § 6, 1994; Ord. 1986-125 § 1 (part), 1986; Ord. 1985-82 (part), 1985)

18.21.030 Development standards - General.

   A.   Minimum lot area: Thirty-six thousand square feet.
   B.   Minimum area per dwelling unit: Thirty-six thousand square feet.
   C.   Minimum lot width: One hundred feet.
   D.   Minimum yard requirements:
      1.   Front: Thirty feet;
      2.   Side: Ten feet each;
      3.   Rear: Forty feet.
   E.   Building height limitations:
      1.   Maximum height: Thirty-four feet;
      2.   Maximum stories: Two.
   F.   Minimum distance between main buildings: Twenty feet, except as required in Section 18.09.020(D) (General Residential and Rural Zoning Provisions) for a rear dwelling.
(Ord. 1985-82 (part), 1985)

18.21.040 Development standards - Accessory buildings and accessory structures.

   A.   Permitted coverage: Fifteen hundred square feet, or seventy percent of the area of the largest main building on the lot, whichever is greater.
   B.   Maximum height: Twenty-four feet.
   C.   Minimum distance standards:
      1.   To front lot line: Sixty feet;
      2.   To side and rear lot lines:
         a.   Four feet if building is not used for poultry or animals,
         b.   Fifty feet if building is used for poultry or animals,
         c.   All horses, cattle, sheep, goats, or other similar animals must be confined within a stock-tight fence (no material shall be permitted not ordinarily used for a stock-tight fence) in an area of no less than four hundred square feet per animal. Such fenced-in area shall be set back ten feet from the rear where it abuts an IR, RH, GR-1, SR, SR-2, SH, CR-1, CR-2, or MU zone and forty feet from the rear where it abuts a zone other than GR-1, RH, IR, SR, SR-2, SH, CR-1, CR-2, or MU, and forty feet from a side property line. A setback of ten feet shall be permitted on the side yard where the adjacent property owners have a written recorded agreement to this effect, but, in no event, shall a corral be closer than fifty feet to any residence or living quarters in an abutting property.
(Ord. 2004-59 § 11, 2004; Ord. 1994-147 § 6, 1994; Ord. 1985-187 § 1 (part), 1985; Ord. 1985-82 (part), 1985)

18.21.050 Cluster development option.

   A.   This option shall be permitted only for subdivided residential lots as allowed in this chapter, and their associated open space, in accordance with Section 18.09.040 (General Residential and Rural Zoning Provisions).
(Ord. 1985-111 § 1 (part), 1985; Ord. 1985-82 (part), 1985)

18.21.060 Lot reduction option.

   A.   Refer also to Section 18.09.050 (General Residential and Rural Zoning Provisions) for the general provisions of the lot reduction option.
   B.   Minimum lot size requirements for lots in a CR-1 subdivision may be approved by the board of supervisors for reduction from thirty-six thousand square feet to twenty-four thousand square feet in accordance with Section 18.09.050; provided, that in total there are no more individual one-family lots than one lot per gross acre of the area of the subdivision zoned CR-1.
(Ord. 1985-82 (part), 1985)