Data Centers & Crypto Mining in Madera County, CA (2026)

2 rules for unincorporated Madera County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Madera County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Data Center Zoning & Siting

Madera County has no dedicated data center ordinance. In unincorporated areas a data center is an industrial use, sited in the IL (Industrial, Light) or IH (Industrial, Heavy) districts under the county Zoning Ordinance, needing a Conditional Use Permit and CEQA review. Madera and Chowchilla zone their own land.

Madera County Data Center Zoning and Siting Rules

Significant Restrictions

Madera County General Plan Policy Document, Land Use Element, Light Industrial/Business Park (LI) designation (zoning district IL)

Light Industrial/Business Park (LI): This designation provides for industrial parks, research and development, warehouses, light manufacturing, general commercial uses, professional offices, airports and airstrips, outdoor theaters, public and quasi-public uses, and similar and compatible uses. The FAR shall not exceed 0.50.

Full ordinance details →Official source ↗

Data Center Noise Limits

Madera County holds stationary noise from data-center cooling and generators to its General Plan Noise Element: 50 dB Leq daytime and 45 dB Leq nighttime, measured at a nearby home's property line. County Code Chapter 9.58 adds a nuisance standard enforced by citation.

Madera County Data Center Noise Limits

Some Restrictions

Madera County General Plan, Noise Element, Table 7.A.4 (Maximum Allowable Noise Exposure for Non-Transportation Noise Sources: 50 dB Leq day / 45 dB Leq night)

Each of the noise levels specified above shall be lowered by 5 dB for pure tone noises, noises consisting primarily of speech or music, or for recurring impulsive noises. These noise level standards do not apply to residential units established in conjunction with industrial or commercial uses (e.g., caretaker dwellings).

Full ordinance details →Official source ↗

All Madera County ordinances

See every category we cover for Madera County: parking, noise, fences, fires, animals, pools, and more.

Madera County Ordinance Hub →