Accessory Structures in Calaveras County, CA (2026)
2 rules for unincorporated Calaveras County, California.
Verified from official government sources
ADU Rules
Calaveras County Code § 17.25.040 lets homeowners build one detached accessory dwelling unit up to 1,200 square feet, or convert space in an existing house or garage, on any lot zoned for a single-unit dwelling. Interior side and rear setbacks drop to four feet, and the county must approve a compliant application ministerially, without a public hearing.
Calaveras County ADU Zoning and Setback Rules
Some RestrictionsCalaveras County Code § 17.25.040
17.25.040 - Accessory dwelling units. ... Accessory dwelling units shall comply with all provisions of the base, overlay, or specific plan zone, except as modified by this section. ... D.Standards for Attached and Detached Accessory Dwelling Units.1.Floor Area. Maximum one thousand two hundred square feet.2.Setbacks. Accessory dwelling units shall comply with the setback standards applicable to...
Shed & Carport Rules
Detached accessory structures such as sheds, garages, and workshops must meet the development standards of their zoning district and normally need a related permitted main use on the lot. A lot with no main use may still hold one shed up to 120 square feet plus one up to 576 square feet, unplumbed and unelectrified.
Calaveras County Accessory Structure and Shed Rules
Some RestrictionsCalaveras County Code § 17.16.030
A.Applicability. ... The provisions of this section apply to roofed structures, including but not limited to garages, carports, barns, sheds, workshops, gazebos, and covered patios which are detached from and accessory to a primary building on the site. ... B.Relation to Existing Uses. A detached accessory structure may only be constructed on a lot on which there is a permitted main use to whic...
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