Fontana has no data-center use category. A data center locates in the M-1 Light Industrial or M-2 Heavy Industrial zone, classified by Planning into the nearest Table 30-530 use - a manufacturing, business-park, or warehousing use - by-right or by Conditional Use Permit depending on that classification.
Fontana's Zoning and Development Code (Chapter 30) does not name 'data center' in Table No. 30-530, the permitted-use list for its M-1 Light Industrial and M-2 Heavy Industrial districts. Planning classifies a server facility into the closest existing use: 'Manufacturing processes involving no raw materials' is conditional in M-1 and permitted in M-2, and a 'Business Park' office use is permitted by right. Much industrial land sits under Specific Plans with their own use lists. Fontana's warehouse buffer rule, Ordinance No. 1891, applies only to Warehouse uses, so it does not reach a data center unless classified as warehousing. CEQA review attaches to any discretionary permit.
Building or operating a data center outside an M-1 or M-2 industrial zone, or without a required Conditional Use Permit, is a Zoning and Development Code violation enforced by Fontana Code Enforcement through stop-work orders and penalties.
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