Data Centers & Crypto Mining in Fremont, CA (2026)
2 verified data centers & crypto mining rules for Fremont, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Data Center Zoning & Siting
Fremont has no dedicated data-center ordinance. A data center is classified as "data processing and hosting" within the Information use (NAICS 51), permitted by right in all three industrial districts - Service (I-S), Tech (I-T), and General (I-G) - subject to hazardous-materials review and mandatory design review.
Fremont Data Center Zoning and Siting
Light RestrictionsFremont, CA, Municipal Code Table 18.50.090 (Uses in Industrial Districts) - Information use, permitted (P) in I-S, I-T, and I-G
Information (e.g., newspaper and book publishing, software publishing, motion picture and sound recording studios, radio and television broadcasting, and data processing and hosting) excluding telecommunication facilities
Data Center Noise Limits
Fremont's general noise ordinance (Chapter 9.25) exempts industrial districts, so data-center noise is capped by the industrial zoning performance standard, Section 18.50.040. At the property line the limit is Ldn 70 dB(A) beside industry, and Leq 50 dB(A) daytime / 45 dB(A) nighttime beside homes.
Fremont Data Center Noise Limits
Some RestrictionsFremont, CA, Municipal Code Sec. 18.50.040(a)(1) (Industrial District Performance Standards - Noise)
When users are adjacent or contiguous to residential, institutional uses, or similar sensitive uses, the maximum noise level shall not exceed an hourly Leq level of 50 dB(A) during daytime hours (7:00 a.m. – 10:00 p.m.), an hourly Leq level of 45 dB(A) during nighttime hours (10:00 p.m. – 7:00 a.m.)
Looking for Alameda County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Fremont city rules.
Data Centers & Crypto Mining in Alameda County →