Data Centers & Crypto Mining in Downey, CA (2026)
2 verified data centers & crypto mining rules for Downey, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Data Center Zoning & Siting
The City of Downey has no data-center ordinance and no "data center" use category. Data centers site in the M-1 and M-2 manufacturing zones, classified into the nearest Table 9.3.9 use: permitted by right as office, R&D, or warehouse, or needing a Conditional Use Permit as a public utility.
Downey Data Center Zoning and Siting
Significant RestrictionsDowney, CA, Municipal Code § 9318.04 (Manufacturing Zones Use Regulations); Table 9.3.9
Table 9.3.9 identifies the uses permitted in each Manufacturing Zone. If a use is not specifically listed on the table then said use shall be deemed as Not Permitted.
Data Center Noise Limits
Downey caps steady noise at the property boundary: 70 db(A) any hour on manufacturing land, 65 db(A) commercial, and 55 db(A) day / 45 db(A) night at residential property. Municipal Code § 4606.3 sets the limits; data-center cooling and generators must comply.
Downey Data Center Noise Limits
Some RestrictionsDowney, CA, Municipal Code § 4606.3 (Maximum Permissible Noise Levels by Sound Sources Across Property Boundaries)
If the alleged noise source is of a continuous nature and cannot reasonably be discontinued for a time period wherein the ambient noise level can be determined, the maximum permissible steady noise level by sound sources across the property boundary of any land use cited below may be less, but not greater than:
Looking for Los Angeles County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Downey city rules.
Data Centers & Crypto Mining in Los Angeles County →