Agriculture, except when in an A district designated for future residential use in the General Plan, in which event the following agricultural uses—Dairying and animal and poultry husbandry, and guest ranches— shall be conditional uses;

Ranch and farm dwellings appurtenant to a principal agricultural use;

Riding academies and public stables, except when located in an A district designated for future residential use in the General Plan, in which event said principal permitted uses shall be conditional uses.

Living quarters of persons, regularly employed on the premises but not including labor camps and labor dwellings, accommodations, or areas for transient labor;

Guest houses, not rented or otherwise conducted as a business;

Home occupations and professional offices in home;

Offices incidental and necessary to the conduct of a permitted use;

Private garages, parking areas and stables;

Roadside stands not exceeding 400 square feet in floor area, for the sale of agricultural products grown on the premises;

Name plates and nonilluminated signs not to exceed 20 square feet in area appurtenant to any permitted use;

Other accessory uses and buildings customarily appurtenant to a permitted use.

Seasonal sales lots for holiday trees and pumpkins subject to the provisions of the Policy Statement for the Regulation of Seasonal Sales Lots;

Any permitted or accessory use that requires a Certified Unified Program Agency (CUPA) hazardous materials permit from the Environmental Programs Division.

Private noncommercial recreation areas, uses and facilities, including country clubs, swimming pools and golf courses;

Kennels;

Commercial animal feed and sales yards, commercial agricultural processing plants, fertilizer plants and yard;

Quarters, accommodations of areas for transient labor, such as labor cabins or camps;

Outdoor theaters (not including drive-in theaters), golf driving ranges, commercial swimming pools and other similar commercial recreation facilities, but not including such facilities in which the principal use is enclosed in a building such as bowling alleys and skating rinks. Incidental to such open recreational uses, there may also be permitted hotels, restaurants and similar commercial facilities when the same are located on a minimum 20 acre site under single ownership; provided, that the total floor area of all enclosed structures and roof areas upon the total site shall not exceed 40,000 square feet. No permit shall be issued pursuant to this subsection unless the Commission makes a finding that the proposed use will be compatible within the ultimate use classification as shown on the General Plan;

Commercial mines, quarries and gravel pits;

Private airports and landing strips;

Drive-in theaters, except at locations designated for future residential use or development in the General Plan;

Establishment of bingo games;

Open storage uses, including recreational vehicles, except at locations designated for future residential use or development in the General Plan; provided, that the storage area be screened by a decorative wall or landscaped security fence, such wall or fence not to exceed 10 feet in height.

Lot size: Twenty acres;

Lot width: Three hundred feet;

Front yard: Twenty-five feet;

Side yards: Each side 15 feet;

Rear yard: Twenty-five feet.

Any building or enclosure in which animals or fowl, except domestic pets in household numbers, are contained shall be distant at least 200 feet from any lot in any R or C district, or from any school or institution for human care;

Site plan and architectural approval are required of all conditional uses;

The minimum lot area per dwelling unit shall be not less than two and one-half (2.5) acres, except as herein specified for labor camps;

Other provisions of this chapter notwithstanding, all storage, handling or other uses of hazardous materials shall be subject to the provisions of Article IV of Chapter 18.42.