5 rules for unincorporated Inyo County, California.
Verified from official government sources
Unincorporated Inyo County permits ADUs and JADUs in all residential and mixed-use zones under Zoning Ordinance Section 18.78.340, with size limits aligned to California state law. Detached ADUs may reach 1,200 sq ft; an 800 sq ft ADU is allowed regardless of lot coverage or floor-area limits.
Sheds and detached accessory structures in unincorporated Inyo County are governed by Title 18 zoning standards (setbacks, height, lot coverage) and Title 14 building regulations. Standards vary by zone; the County's Rural Residential, R-1, and Open Space zones each set their own development limits.
Inyo County allows converting a garage or accessory structure into an ADU under Zoning Ordinance 18.78.340 and California state law. A JADU up to 500 sq ft may be created within an existing single-family dwelling or attached garage; converted ADUs follow the County's ADU standards.
Inyo County regulates carports as accessory structures through Title 18 zoning district standards (setbacks, height, lot coverage) and Title 14 building regulations. There is no separate countywide carport ordinance; requirements depend on the parcel's zoning district.
Inyo County does not have a standalone tiny-home ordinance. A tiny home on a permanent foundation is treated as a dwelling or ADU under Zoning Ordinance 18.78.340; a movable tiny home on wheels is regulated as a recreational vehicle and cannot be used as a permanent residence outside approved parks.
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