Yolo County has no dedicated data center ordinance, but its zoning code lists 'data storage and computer operations' as a use. In the unincorporated county, it needs Site Plan Review in the Light Industrial (I-L) or Office Park/Research and Development (OPRD) zones and is barred from Heavy Industrial (I-H).
Unincorporated Yolo County regulates data centers through its standard Zoning Code (Title 8), not a data-center-specific chapter. Table 8-2.704 classifies 'data storage and computer operations' under the Research and Development and Office use type defined in Sec. 8-2.703(e), and allows it by Site Plan Review, a non-discretionary review, in the Light Industrial (I-L) and Office Park/Research and Development (OPRD) zones. It is not allowed in the Heavy Industrial (I-H) zone. Maximum floor area ratio is 0.5 in I-L and 1.0 in OPRD, which requires at least three acres. Larger projects trigger CEQA review. This page covers unincorporated land only; West Sacramento, a city, hosts data centers under its own zoning, as do Woodland, Davis, and Winters.
Building or expanding a data center in unincorporated Yolo County without the required Site Plan Review, in a zone that bars it such as I-H, or without CEQA clearance stalls permits and draws Planning Division enforcement until it conforms.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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