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Data Centers & Crypto Mining

San Leandro's Data Centers & Crypto Mining: The Rules That Matter

By CityRuleLookup Editorial Team

Every city handles data centers & crypto mining a little differently. In San Leandro, California, there are 2 distinct rules that residents and property owners should be aware of. Some are stricter than what neighboring cities enforce, and others are more relaxed. Here is what you need to know.

Data Center Zoning & Siting

San Leandro has no data-center ordinance and no "data center" use category. A server or colocation facility is classified by the Zoning Enforcement Official into the closest industrial use - Communications Facilities, Industry, or Utilities (Major) - in the IG, IL, IP, and IT industrial districts.

Key details: Dedicated ordinance: None. Districts: IG, IL, IP, IT industrial. By-right: Communications Facilities / Industry. CUP: Utilities Major or new warehouse. Review: CEQA + Planning Commission.

Building or operating a data center outside an industrial district, or without a required Conditional Use Permit, is a Zoning Code violation enforced by Community Development through stop-work orders, permit revocation, and nuisance abatement.

Data Center Noise Limits

San Leandro's Noise Ordinance sets no numeric decibel table. Municipal Code Section 4-1-1110 bans "disturbing, excessive or offensive" noise, judged on factors including sound level, proximity to homes, zoning, and time of day. A data center's cooling and generators must not create a nuisance.

Key details: Code: Muni Code 4-1-1100 to 4-1-1130. dBA table: None (nuisance-based). Standard: Disturbing, excessive, offensive noise. Night motor rule: Enclosed 9 p.m.-8 a.m.. Enforcement: Nuisance abatement, Ch. 1-12.

Noise that violates Section 4-1-1110 is a public nuisance abated under Municipal Code Chapter 1-12, and can breach the noise conditions placed on a data center's discretionary permit.

The Bottom Line

San Leandro'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 San Leandro is broadly strict or permissive.

This guide is based on San Leandro's current municipal code. Local rules can and do change, so check the individual ordinance pages for the latest details, penalties, and FAQs.