Permitted uses in the RA-3 zone are:
A. Single-family dwelling;
B. Accessory uses as regulated by Section 17.08.100;
C. Accessory buildings as regulated by Section 17.08.090;
D. Agricultural crops, fruit trees, nut trees, vines, horticulture; and
E. Secondary residential units. (Ord. 881 § 27, 2004: Ord. 336 § 6.13.000, 1977).

The following uses are permitted in the RA-3 zone subject to the issuance of a conditional use permit:
A. Public utility buildings and uses, but excluding equipment yards, storage yards, warehouses or repair shops;
B. Sale of agricultural products produced on the premises;
C. Greenhouses and nurseries excluding retail sale of plants and products produced off the premises;
D. § 5116 homes as regulated by Chapter 17.80;
E. Stables and barns (but no other accessory buildings) as regulated by Section 17.08.090 where there is no occupied single-family dwelling on the premises, and where a conditional use permit is also issued for the keeping of animals; and
F. Mobile home parks. (Ord. 881 § 28, 2004: Ord. 581 § 21, 1988; Ord. 517 § 11, 1984; Ord. 514 § 13, 1984; Ord. 336 § 6.13.010, 1977).

Height regulations in the RA-3 zone:
A. The maximum height for principal buildings and structures shall be thirty feet.
B. The maximum number of stories shall be two.
C. The maximum height for accessory buildings or structures shall be fourteen feet, except barns which shall be a maximum of nineteen feet. (Ord. 336 § 6.13.020, 1977).

The minimum area for each lot in the RA-3 zone shall be three net acres. (Ord. 336 § 6.13.030, 1977).

The maximum lot coverage in the RA-3 zone by all structures and buildings shall not exceed ten thousand square feet; provided, however, that additional coverage not exceed five hundred square feet may be permitted pursuant to a use permit. (Ord. 336 § 6.13.050, 1977).

No lot in the RA-3 zone shall exceed a 3:1 depth-to-width ratio. (Ord. 336 § 6.13.060, 1977).

No building or structure shall hereafter be erected or enlarged in the RA-3 zone unless the following setbacks are provided and maintained:
A. Front. There shall be a front setback of not less than fifty feet.
B. Rear. There shall be a rear setback of not less than fifty feet.
C. Interior Side. There shall be an interior side setback of not less than fifty feet.
D. Street side. There shall be a street side setback of not less than fifty feet.
E. Specified Streets. Front, side, street side, or rear setbacks required for lots abutting a highway or street for which rights-of-way are established by the circulation element of the general plan shall be measured from the adopted plan line or the property line, whichever provides the greater setback. (Ord. 336 § 6.13.070, 1977).

The minimum square footage per dwelling unit in the RA-3 zone shall be regulated by Section 17.08.020. (Ord. 336 § 6.13.080, 1977).

Off-street parking in the RA-3 zone shall be provided subject to the regulations in Chapter 17.66. (Ord. 336 § 6.13.090, 1977).