Elfin Forest is unincorporated San Diego County. The Elfin Forest / Harmony Grove Community Plan (adopted by the County Board of Supervisors August 2011) preserves the area's rural character with 2- to 10-plus-acre minimum lot sizes. County Zoning Ordinance setbacks apply. Policy LU-1.10.1 reduces front setbacks specifically to allow grazing of leisure and market animals in fenced front yards.
Because Elfin Forest is unincorporated San Diego County, setback rules come from the County Zoning Ordinance (Part 4: Development Regulations, z4000) combined with the Elfin Forest / Harmony Grove Community Plan. The Community Plan, adopted by the Board of Supervisors in August 2011, establishes a Special Area Designator for the community and emphasizes preserving its rural, low-density, equestrian character — large lot sizes (typically 2 to 10+ acres), no city sewer or natural gas, septic systems required. Standard front, side, and rear yard setbacks from the County Zoning Ordinance apply unless modified by the Community Plan. Policy LU-1.10.1 specifically reduces front-yard setback requirements to allow grazing — but not housing — of leisure and market animals in fenced front yards, supporting the equestrian-residential mix. Specific setback numbers depend on the parcel's underlying zone classification (typically A70 Limited Agriculture or RR Rural Residential).
Building within a required setback without an approved variance violates the County Zoning Ordinance. County Code Compliance can issue notices, require demolition or relocation, and assess daily penalties under the County Code.
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