The R-lA zone is intended for the development of single-family homes on large homesites.

(`78 Code, § 17.10.010.) (Ord. 1470 § 1 (part), 1977)

   Buildings, structures and land shall be used, and buildings and structures shall hereafter be erected, altered or enlarged only for the following uses:

   (A)   Accessory buildings and uses customarily incident to any of the above uses designated in this section, including a private garage and pursuant to the regulations of Chapter 17.66;

   (B)   Animals to maximum numbers as follows:

      (1)   Three weaned cats;

      (2)   Three weaned dogs;

      (3)   Subject to South Corona Community Facilities Plan § 3.1.5(1), a total of two adult horses plus any foals they may produce may be kept on any lot in the Estate Residential District of Village 3 of such plan, provided that such lot is a minimum of one acre in area. One additional horse and any foals it may produce shall be permitted for each additional acre. In no case shall the total number of horses, including foals and adult horses, exceed five on any lot. For the purposes of this section, "foal" means a horse less than eight months old and "adult horse" means a horse at least eight months old;

   (C)   Home occupations (see Chapter 17.80);

   (D)   House trailer, which may be used as a construction project office during time of construction when a valid building permit is in force, provided there shall be no temporary residential use or occupancy of the trailer at the site;

   (E)   Manufactured housing on permanent formulation system subject to the provisions of Chapter 17.81;

   (F)   Orchards, tree crops, field crops, truck gardening, berry and bush crops, flower gardening, nurseries, greenhouses or lath houses not exceeding 200 square feet in area on any lot, and other similar enterprises carried on in the general field of agriculture, subject to the regulations set forth in Chapter 17.06; provided, however, that no sales stands are permitted hereby except under a conditional use permit granted pursuant to the provisions of Chapter 17.92;

   (G)   Parks and recreation areas subject to the provisions of Chapter 12.24;

   (H)   Permanent one-family dwellings;

   (I)   Small family day care homes;

   (J)   Uses customarily incident to the permitted uses and accessory buildings when located on the same lot. It is unlawful to construct, erect or locate any accessory building without a permitted main building. Garages may be detached from the main building;

   (K)   Similar uses permitted by Commission determination. The Commission may, by resolution of record, permit any other uses which it may determine to be similar to those listed in this section, in conformity with the intent of the purpose of this zone and not more obnoxious or detrimental to the public health, safety and welfare or other uses permitted in this zone.

(`78 Code, § 17.10.020.) (Ord. 3259 §§ 19, 20, 2017; Ord. 2403 § 1, 1999; Ord. 2311 § 3, 1997; Ord. 2232 § 1, 1995; Ord. 2126 § 8, 1992; Ord. 1955 § 10, 1989; Ord. 1946 § 4, 1989; Ord. 1470 § 1 (part), 1977.)

   The following uses may be permitted subject to approval of a building permit as provided for in Chapter 17.85: accessory dwelling unit of a permanent character placed in a permanent location.

(`78 Code, § 17.10.025.) (Ord. 3259 § 21, 2017; Ord. 1703 § 9, 1983.)

   The following uses may be permitted subject to approval of a conditional use permit:

   (A)   Agriculture, flower and vegetable gardening, nurseries and greenhouses for the purpose of propagating and cultivating only, provided:

      (1)   No business shall be carried on upon the premises; and

      (2)   No obnoxious fertilizer shall be stored on the premises; and

      (3)   No obnoxious soil renovation shall be carried on upon the premises;

   (B)   Health care facility subject to the provisions of Chapter 17.73;

   (C)   Public parks and recreational area;

   (D)   Fruit sales stands by conditional use permit pursuant to § 17.92.040;

   (E)   Horse riding academies, horse breeding farms and horse training facilities;

   (F)   Other uses as may be permitted pursuant to § 17.92.040.

(`78 Code, § 17.10.030.) (Ord. 2404 § 5, 1999; Ord. 2233 § 2, 1995; Ord. 1955 § 11, 1989; Ord. 1946 § 5, 1989; Ord. 1861 § 4, 1987; Ord. 1764 § 5, 1985; Ord. 1470 § 1 (part), 1977.)

   Uses prohibited in the R-1A zone are as follows:

   (A)   All uses and structures not permitted in §§ 17.20.030 and 17.20.040.

   (B)   Cannabis storefront retailer.

   (C)   Cannabis non-storefront retailer.

   (D)   Cannabis manufacturing.

   (E)   Cannabis distribution.

   (F)   Cannabis testing laboratory.

   (G)   Cannabis microbusiness.

   (H)   Cannabis cultivation.

   (I)   Any type of commercial cannabis activity.

(`78 Code, § 17.10.040.) (Ord. 3323 § 3, 2020; Ord. 3223 § 15, 2016; Ord. 3220 § 14, 2015; Ord. 2885 § 2 (part), 2007; Ord. 1470 § 1 (part), 1977.)

   The property development standards set forth in this chapter shall apply to all land and buildings in the R-1-A zone, except that any lot shown on an official subdivision map duly approved and recorded, or any lot for which a bona fide deed had been duly recorded by June 21, 1965, may be used as a building site.

(`78 Code, § 17.10.050.) (Ord. 1470 § 1 (part), 1977.)

   Each lot shall have a minimum lot area of one acre (40,000 square feet).

(`78 Code, § 17.10.060.) (Ord. 1795 § 1, 1986.)

   All lots hereafter created shall comply with the following minimum standards, and lots now held under separate ownership or of record shall not be reduced below these standards.

   (A)   Width. Requirements are as follows:

      (1)   Interior lots shall have a minimum width of 120 feet;

      (2)   Corner lots shall have a minimum width of 130 feet;

      (3)   Reversed corner lots shall have a minimum width of 130 feet;

      (4)   Cul-de-sac or curve lots shall have a minimum width of 120 feet.

   (B)   Depth. Requirements are as follows: lots shall have a minimum depth of 120 feet.

(`78 Code, § 17.10.070.) (Ord. 1795 § 2, 1986; Ord. 1470 § 1 (part), 1977.)

   There shall be a minimum of one acre (40,000 square feet) of lot area for each dwelling unit on any one lot.

(`78 Code, § 17.10.080.) (Ord. 1795 § 3, 1986; Ord. 1470 § 1 (part), 1977.)

   Buildings and structures erected in this zone shall have a height not greater than two stories or 30 feet, whereas a single story structure shall be one story and no greater than 25 feet, except as otherwise provided.

(`78 Code, § 17.10.090.) (Ord. 2521 § 4, 2001; Ord. 1470 § 1 (part), 1977.)

   Except for setbacks along major streets as required by Chapter 17.86, there shall be established and maintained:

   (A)   For general conditions, the provisions of §§ 17.64.020 through 17.64.040 shall apply;

   (B)   Front yard requirements are as follows:

      (1)   A front yard having a depth of not less than 25 feet, provided that no front yard need be deeper than the average depths of the front yards next thereto on each side, but in no case may the yard be reduced below 20 feet. A vacant lot or a lot occupied by a building with a front yard more than 25 feet deep shall be considered as having a front yard 25 feet deep;

      (2)   For special conditions, the provisions of § 17.64.040 shall apply;

   (C)   Side yard requirements are as follows:

      (1)   Lots with no access to an alley shall have one side yard with a width of not less than 15 feet, and the other side yard shall have a width of not less than ten feet;

      (2)   Lots with access to an alley shall have a side yard on each side of not less than ten feet, except as otherwise provided in this section;

      (3)   Corner lots siding on a local street shall have a side yard on the street side of not less than 15 feet;

      (4)    Reversed corner lots shall have a side yard on the street side of a width not less than the required front yard on the key lot to its rear;

      (5)   For special conditions, the provisions of § 17.64.040 shall apply;

   (D)   Rear yard requirements are as follows:

      (1)   Each lot shall have a rear yard of not less than ten feet, except where the rear yard abuts a street, in which case the minimum setback shall be 15 feet, or as otherwise provided;

      (2)   For special conditions, the provisions of § 17.64.040 shall apply.

(`78 Code, § 17.10.100.) (Ord. 1760 § 2, 1985; Ord. 1470 § 1 (part), 1977.)

   (A)   The minimum distance between accessory buildings and the primary unit shall be five feet.

   Lot area coverage by buildings or structures shall not exceed 25% of the total lot area, except as provided in § 17.64.010(E).

(`78 Code, § 17.10.120.) (Ord. 3291 § 5, 2018; Ord. 1470 § 1 (part), 1977.)

   The provisions of Chapter 17.70 shall apply.

(`78 Code, § 17.10.130.) (Ord. 1470 § 1 (part), 1977.)

   The provisions of Chapter 17.68 shall apply.

(`78 Code, § 17.10.140.) (Ord. 1470 § 1 (part), 1977.)

   The provisions of Chapter 17.76 shall apply.

(`78 Code, § 17.10.150.) (Ord. 1470 § 1 (part), 1977.)

   A single-family dwelling of a permanent character shall be placed in a permanent location and contain not less than 1,400 square feet of living area, exclusive of open patios and garages.

(`78 Code, § 17.10.160.) (Ord. 2927 § 1, 2008; Ord. 1703 § 10, 1983.)