How Tempe Handles Data Centers & Crypto Mining: A Practical Guide
Tempe maintains 149 local ordinances across all categories, and 3 of those deal specifically with data centers & crypto mining. Here is a breakdown of what the city actually requires, what is prohibited, and where Tempe falls on the strict-to-permissive spectrum compared to other cities.
Data Center Zoning & Siting
Tempe confines data centers to the MU-Ed, General Industrial and Heavy Industrial zoning districts, and only with an approved use permit under the Zoning and Development Code. Buildings must sit at least 500 feet from any residential use, and generators must be fully enclosed to control noise reaching neighboring properties.
Key details: Allowed districts: MU-Ed, GID, HID only. Approval required: Use permit under Section 6-308. Residential buffer: 500 feet minimum. Generators: Must be fully enclosed. Extra filing: Economic impact study required.
Operating a data center without an approved use permit, siting a building inside the 500-foot residential buffer, or running generators outside an enclosed, ventilated structure violates Section 3-429. Community Development can withhold or revoke the use permit, require the operator to relocate or enclose non-conforming equipment, and pursue a civil sanction under Section 1-201 until the site is brought into compliance.
This is not one of those rules that cities tend to ignore. Tempe actively enforces its data center zoning & siting requirements.
Data Center Noise Limits
Tempe's Zoning and Development Code requires data center generators to sit inside an enclosed, ventilated building specifically to cut noise reaching neighbors, and keeps data center buildings themselves at least 500 feet from any residential use or residential district under Section 3-429(B). The rule applies only in the MU-ED, GID and HID districts where data centers are allowed with a use permit.
Key details: Generator noise control: Enclosed building, adequate ventilation. Residential buffer: 500 feet minimum. Allowed districts: MU-ED, GID, HID only. Entitlement required: Use permit under Section 6-308. Added by: Ordinance O2025.23, effective 7-1-2025.
A data center that runs generators in the open, without an enclosed and ventilated housing, or that locates within 500 feet of a residential property line, violates Section 3-429(B) and Section 1-201 of the Code. The city can issue a civil citation carrying a $100 to $1,000 fine per day of noncompliance or prosecute it as a class 1 misdemeanor with up to a $2,500 fine and six months in jail, and a noncompliant use permit can be revoked.
Crypto Mining Rules
Tempe classifies crypto currency mining and processing operations as data centers under its Zoning and Development Code. That means a crypto mining facility can only open in the MU-ED, GID or HID zoning districts and needs a use permit approved by the city before it can operate.
Key details: Governing use: Regulated as a "data center" use. Allowed districts: MU-ED, GID, HID only. Approval needed: Use permit under Section 6-308. Residential buffer: 500 feet from residential property line. Generator rule: Must be enclosed, ventilated for noise.
Operating a crypto mining or data center use outside the MU-ED, GID or HID districts, or without an approved use permit under Section 6-308, is a zoning code violation subject to the city's standard zoning enforcement process, including stop-work orders and civil citations for unpermitted use of land. Development Review Division staff and Code Compliance handle enforcement; a facility built inside the 500-foot residential buffer or lacking the required economic impact study or water use plan can have its use permit denied or later revoked on appeal to the Board of Adjustment.
This is not one of those rules that cities tend to ignore. Tempe actively enforces its crypto mining rules requirements.
The Bottom Line
Tempe is tougher than many cities when it comes to data centers & crypto mining. Out of the 3 rules covered here, 2 are rated strict. If you are a homeowner, renter, or business owner in Tempe, take the time to understand these requirements before they become a problem. Most violations come with fines, and some repeat violations can escalate.
This guide is based on Tempe's current municipal code. Local rules can and do change, so check the individual ordinance pages for the latest details, penalties, and FAQs.