(a) Site and Structural Dimensions.
(1) General. The following site area per dwelling unit, site width, frontage, yard dimensions, and building height limits shall apply to all agricultural zone districts except that maximum height limits and exceptions therefrom for residential structures in all agricultural districts shall be determined in accordance with the provisions of Section 13.10.323 applicable to parcels in the Residential Zone Districts. On legal lots of record less than 2.5 acres in size, all site and structural dimensions of the residential districts as indicated in Section 13.10.323, shall apply, based on the pre-existing parcel size.

AGRICULTURAL SITE AND STRUCTURAL DIMENSIONS CHART

(2) Size and Design of Structures--Exceptions. No residential structure shall be constructed or enlarged which will result in 7,000 square feet of floor area or larger, exclusive of accessory structures associated with the residential use, unless a Level V approval is obtained pursuant to the provisions of Section 13.10.325.
(b) Distance Between Structures. Incidental and accessory structures may be attached to and have a common wall with a main structure on a site or may be connected with a main structure by a breezeway, provided that a structure housing livestock shall not be attached to a structure used for human habitation. Where there is more than one structure on a site, the minimum distance between a structure used for human habitation and another structure shall be ten feet. The minimum distance between dwelling units shall be 10 feet. The minimum distance between a structure used for human habitation and a structure housing livestock, shall be 50 feet.
(c) Minimum Parcel Size.
(1) “A” District. The minimum average parcel size in net developable acres for new parcels created in the “A” Zone District outside the Urban Services Line (USL) shall be within the range of two and one-half (2 1/2) to twenty (20) or ten (10) to forty (40) acres per dwelling unit and shall be consistent with the requirements of the General Plan, the Local Coastal Program Land Use Plan and Chapter 13.14 of the County Code pertaining to Rural Residential Density Determinations. Land divisions shall not be allowed within the “A” Zone District on properties within the USL.
(2) “CA” District. Parcels within the “CA” Zone District shall not be divided except for exclusive agricultural purposes pursuant to Section 13.10.315.
(3) “AP” District. Parcels within the “AP” Zone District shall not be divided except for exclusive agricultural purposes pursuant to Section 13.10.315.
(d) Buffer Requirements. Non-agricultural uses involving habitable spaces including residential development, farm labor housing, commercial or industrial establishments, etc., adjacent to parcels zoned Commercial Agriculture “CA,” or Agricultural Preserve “AP” or farm labor housing located on “CA” or “AP” zoned land shall provide a buffer setback in accordance with the provisions of Section 16.50.095, and shall otherwise comply with the requirement of that section.
(e) Dwelling Group Densities.
1. “A” District. Dwelling groups within the “A” Agriculture Zone District may be allowed at a density per dwelling unit pursuant to Chapter 13.14 of the County Code pertaining to Rural Residential Density Determinations.
2. “CA” District. Dwelling groups within the “CA” Commercial Agriculture Zone District may be allowed at a density of 40 gross acres per dwelling unit.
3. “AP” District. Dwelling groups within the “AP” Agriculture Preserve Zone District may be allowed at a density of 40 gross acres per dwelling, with a maximum of five dwelling units.
(f) Residential Uses on Coastal Zone Non-Commercial Agricultural Land. Building permits for residential uses on parcels designated in the General Plan and Local Coastal Program Land Use Plan as agricultural land use and not as commercial agricultural land shall be issued only upon documentation that:
(1) Residential use of the parcel will not conflict with on-site or adjacent agricultural activities; and
(2) The building site has approved agricultural buffer setbacks; and
(3) The residents and owners of the subject parcel have executed a binding hold-harmless covenant with adjacent agricultural operators and owners which shall run with the land and be recorded prior to occupancy.
The Agricultural Policy Advisory Commission shall make the determination that these conditions have been met.
(g) Applicability of Other Regulations. Other development standards applicable to agricultural zone districts are contained in the following sections of Chapter 13.10:

(Ord. 3755, 4/22/86; Ord. 4037, 12/5/90; 4097, 12/11/90; Ord. 4314, 5/24/94; 4346, 12/13/94; 4406, 2/27/96; Ord. 4761 §§ 13--15, 5/18/04)