Data Centers & Crypto Mining in Fresno County, CA (2026)
2 county-level rules, plus city-specific rules for 2 cities in Fresno County, California.
Verified from official government sources
Data Center Zoning & Siting
Fresno County has no dedicated data center ordinance. In unincorporated areas a data center is treated as an industrial use, sited in the M-1, M-2, or M-3 industrial districts under the county Zoning Ordinance, subject to Site Plan Review and CEQA. Incorporated cities set their own zoning.
Fresno County Data Center Zoning and Siting Rules
Some RestrictionsFresno County Zoning Ordinance, Section 844 ("M-2" General Industrial District)
The "M-2" General Industrial District is intended to provide for the establishment of industrial uses essential to the development of a balanced economic base.
Data Center Noise Limits
Fresno County's Noise Control ordinance (County Code Chapter 8.40, Ordinance 24-021) caps exterior noise at an affected home at 50 dBA during the day and 45 dBA at night. Data center cooling equipment and backup generators must meet these limits.
Fresno County Data Center Noise Limits
Light RestrictionsFresno County Code, Chapter 8.40 (Noise Control), Section 8.40.020 (Ord. No. 24-021, 12-17-2024)
"Fixed noise source" means a device or a machine which creates sounds while fixed or stationary, including, but not limited to, residential, agricultural, industrial and commercial machinery and equipment, pumps, fans, compressors, air conditioners and refrigeration equipment.
Data Centers & Crypto Mining by City in Fresno County
2 cities in Fresno County have their own data centers & crypto mining rules. Each link goes to that city's dedicated page with code citations.
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