Data Centers & Crypto Mining in Placer County, CA (2026)
2 county-level rules, plus city-specific rules for 1 city in Placer County, California.
Verified from official government sources
Data Center Zoning & Siting
Placer County has no dedicated data center ordinance. In unincorporated areas a data center is an industrial use, sited in the Industrial (IN), Industrial Park (INP), or Business Park (BP) zones with Design Review, a use permit, and CEQA review. Cities like Roseville and Rocklin set their own zoning.
Placer County Data Center Zoning & Siting Rules
Significant RestrictionsPlacer County Zoning Ordinance, Article 17.40 (Industrial (IN) District), Section 17.40.010
Purpose and Intent. The industrial district is intended for a wide range of industrial activities including manufacturing, assembly, wholesale distribution, and storage.
Data Center Noise Limits
Placer County's Noise Code (County Code Article 9.36) caps stationary-source sound at a sensitive receptor's property line at 55 dB daytime and 45 dB nighttime hourly Leq, or 5 dBA over ambient, whichever is greater. A data center's cooling systems and backup generators must meet these limits.
Placer County Data Center Noise Limits
Some RestrictionsPlacer County Code, Article 9.36 (Noise), Section 9.36.060 (Sound limits for sensitive receptors), Table 1 (Ord. 5280-B, 2004)
Causes the exterior sound level when measured at the property line of any affected sensitive receptor to exceed the ambient sound level by five dBA or ... Exceeds the sound level standards as set forth in Table 1, whichever is the greater.
Data Centers & Crypto Mining by City in Placer County
1 cities in Placer 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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