Structure height in unincorporated Sierra County is set by zoning district. The R1 single-family district (SCC 15.12.080) and the RR-1 rural residential district (SCC 15.12.190) both cap structures at two stories not exceeding 35 feet, while the CC commercial district (SCC 15.12.130) allows two stories or 40 feet.
Sierra County's zoning code establishes maximum building height within each zoning district rather than in a single county-wide rule. In the R1 residential one-family district (SCC 15.12.080), the height limitation is two stories not to exceed 35 feet. The same 35-foot ceiling applies in the RR-1 rural residential district (SCC 15.12.190), where structures shall not exceed two stories and shall not exceed 35 feet. The RR 2.5 rural residential district (SCC 15.12.205) allows a two-and-one-half story building not exceeding 35 feet. Commercial zones permit slightly more height: the CC community commercial district (SCC 15.12.130) sets a height limitation of two stories or 40 feet. Accessory dwelling units are subject to their own separate height limits under SCC 15.10.030, generally 16 feet, with higher limits (up to 18, 20, or 25 feet) in specified situations such as near transit or above a garage. Because the height cap and how it is measured depend on the zone and the type of structure, owners should verify the applicable limit for their parcel with the Sierra County Planning Department in Downieville. Where a proposed structure exceeds the district height limit, a variance under SCC Chapter 15.24 may be required.
Constructing a building taller than the height limit of its zoning district without an approved variance violates the zoning code and can result in permit denial, stop-work orders, or required modifications to bring the structure into compliance.
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See how Sierra County's structure height limits rules stack up against other locations.
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