Corona, CA Data Centers & Crypto Mining: Data Center Noise Limits (2026)
Key Facts
- Code
- Muni Code Sec. 17.84.040
- Home limit
- 55 day / 50 night dBA
- Commercial limit
- 65 day / 60 night
- Industrial limit
- 75 day / 70 night
- AC equipment
- Regulated, not exempt
Summary
Corona caps stationary-source noise at the receiving property line: 55 dBA daytime and 50 dBA nighttime at homes, 65/60 dBA at commercial, and 75/70 dBA on industrial land. Municipal Code Sec. 17.84.040 sets the table, and unlike Riverside County it does not exempt air-conditioning equipment.
Upon application for a building permit to install mechanical equipment, such as air conditioner and pool equipment, in a residential zone, the equipment shall be setback at least ten feet from an adjoining property line.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2025 S-56: Supplement contains: Local legislation passed through Ord. 3423, passed 12-3-2025).
Full Breakdown
Corona Municipal Code Sec. 17.84.040, Table 1 (Stationary Noise Source Standards), sets exterior limits by the receiving land use. Single-, double-, and multi-family residential: 55 dBA from 7 a.m. to 10 p.m. and 50 dBA from 10 p.m. to 7 a.m. Commercial: 65/60 dBA. Industrial, manufacturing, or agricultural: 75/70 dBA. Limits drop 5 dBA for impulse or simple-tone noise. A data center's cooling towers, chillers, and generators are measured against the nearest receiver's limit. Corona also requires mechanical equipment such as air conditioners to be set back ten feet from a residential property line - it does not exempt HVAC noise.
Violations & Fines
Noise exceeding the Sec. 17.84.040 limits is a code violation enforced by the City through citations and, for a permitted data center, breach of noise conditions on its use permit.
Frequently Asked Questions
How loud can a data center be in Corona?
Does Corona regulate air-conditioning and cooling equipment noise?
Sources & Official References
Other rules in Corona
California rules heatmap·Compare Corona to another location·View the California data centers & crypto mining overview
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Data Center Noise Limits in Nearby Cities
How other cities in Riverside County handle data center noise limits.