Lake County has no dedicated data center ordinance. In the unincorporated Clear Lake region a data center is treated as a high-technology or computer use, allowed in the MP Industrial Park, M1, and M2 industrial districts. A full-scale facility needs a Minor or Major Use Permit plus CEQA review.
Unincorporated Lake County regulates data centers only through general industrial zoning, not a data-center-specific rule. Under the Zoning Ordinance a computing facility is a high-technology or computer use, permitted in the Industrial Park (MP, Article 23), Commercial/Manufacturing (M1, Article 21), and Heavy Industrial (M2, Article 22) districts. The M1 and M2 districts apply only to parcels up to five acres; MP is intended for larger business-park sites served by public water and sewer. Uses under 6,000 square feet are allowed by right through development review (Article 56); above 12,000 square feet they need a Minor Use Permit, and a large or non-enclosed facility needs a Major Use Permit, which triggers CEQA review of water, power, traffic, and noise.
Building a data center outside an MP, M1, or M2 district, or without a required Minor or Major Use Permit and CEQA clearance, is a zoning violation.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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Unincorporated Lake County's Hazardous Vegetation Abatement Ordinance (County Code Chapter 13, Article VIII, Sections 13-57 to 13-66; Ord. 3082, 2019) declar...
See how Lake County's data center zoning & siting rules stack up against other locations.
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