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Data Centers & Crypto Mining

Data Centers & Crypto Mining in Murrieta, CA: What Residents Actually Need to Know

By CityRuleLookup Editorial Team

If you live in Murrieta or are thinking about moving there, data centers & crypto mining are one of those things you probably won't think about until they affect you directly. Murrieta has 2 specific rules on the books covering different aspects of data centers & crypto mining, and some of them might surprise you.

Data Center Noise Limits

Murrieta's noise ordinance, Development Code Section 16.30.090, caps exterior noise at the receiving property: 45 dB night and 50 dB day at homes, 55/60 at commercial sites, and 70 dB anytime on industrial land. Unlike Riverside County, Murrieta exempts no HVAC equipment, so data-center cooling must comply.

Key details: Code: Dev. Code Sec. 16.30.090. Home limit: 50 dB day / 45 night. Industrial limit: 70 dB anytime. Commercial limit: 60 day / 55 night. HVAC exemption: None; unlike the county.

Noise exceeding the Table 3-6 limits is a Development Code violation. Murrieta code enforcement may issue an abatement notice or citation; a permitted data center also breaches any noise conditions attached to its use permit.

Data Center Zoning & Siting

Murrieta has no data-center ordinance and no "data center" use in its Development Code. Under Table 16.12-1 a data center is an unlisted use in the BP, GI, and GI-A business-park and industrial zones, allowed only if the Development Services director finds it substantially similar to a listed use.

Key details: Dedicated ordinance: None. Zones: BP, GI, GI-A. Data center listed: No; unlisted use. Unlisted use rule: Director similar-use finding. Permit path: Zoning clearance or CUP.

Building or operating a data center without the director's similar-use determination, or without the zoning clearance or conditional use permit its category requires, is a Development Code violation enforced by Murrieta code enforcement through stop-work orders and abatement.

Murrieta is more permissive than most cities when it comes to data center zoning & siting. That said, there are still limits.

The Bottom Line

Murrieta's data centers & crypto mining rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Murrieta is broadly strict or permissive.

All of the above reflects Murrieta's municipal code as of our last review. If you need specifics on fines, exemptions, or filing requirements, the detailed ordinance pages linked above have the full breakdown.