Siskiyou County has no dedicated data-center ordinance. In unincorporated areas a server facility is an unlisted industrial use, best fitting the Limited Industrial (M-L) District built for 'clean, quiet operations,' and it requires a use permit and CEQA review. Yreka, Mount Shasta, and Weed zone their own land.
The county's Zoning Code (Title 10, Chapter 6) never names data centers, so a computing facility is an unlisted use. Its best fit is the Limited Industrial (M-L) District, which Section 10-6.4501 designs for 'compatible, non-nuisance type industrial uses... conducted and confined within a building.' M-L permits offices outright and allows research and development laboratories by use permit; the Planning Director interprets unlisted uses under Section 10-6.303. Development standards (Table 10-6.5501) set a 50-foot height limit, a 20-foot front yard, and 75% maximum site coverage, with a 5-foot side or rear yard where the lot abuts a residential district. A discretionary use permit triggers CEQA review. Title 10 governs unincorporated land only.
Building a data center outside an industrial district, or without the required use permit, CEQA clearance, or building permit, is a zoning violation. Planning can deny permits, issue stop-work orders, and require compliance before construction proceeds.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Siskiyou County's data center zoning & siting rules stack up against other locations.
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