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Lyon County, NV Data Centers & Crypto Mining: Data Center Zoning & Siting (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Specific plan required
Master plan amendments over 160 acres (LCC § 15.211.01.B)
Optional threshold
40 acres or more may also use a specific plan
SSTP project size
460-acre data center campus in Silver Springs
Approving body
Board of County Commissioners after Planning Commission recommendation
Governing ordinance
Ord. 641 (Bill 25-03), adopted June 5, 2025
Enforcing department
Community Development Department

Summary

Lyon County has no zoning chapter written specifically for data centers. Large campuses such as the 460-acre Silver Springs Technology Park (SSTP) in unincorporated Silver Springs are instead sited through the county's Specific Plan process under Lyon County Code Chapter 15.211, triggered for master plan amendments of 40 acres or more and required above 160 acres, with siting findings made by the Planning Commission and Board of County Commissioners.

These county ordinances apply to unincorporated areas of Lyon County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

15.211.01: PROCEDURES FOR SPECIFIC PLANS: A. A specific plan is a type of master plan which may be submitted on its own or as part of a master plan amendment. A specific plan allows for more precise implementation of the master plan by requiring or permitting review of large scale planning issues in order to protect the natural environment, ensure compatible uses, ... achieve coherent and diverse development patterns, and ensure that roads and other infrastructure are or will be adequate to serve new development. B. A specific plan is required to be submitted for any master plan land use map amendment in excess of one hundred sixty (160) acres in area, unless such amendment results in a specific plan land use designation. C. A specific plan may be used in conjunction with any master plan land use map amendment for projects of forty (40) acres or greater. ... 15.211.04: FINDINGS FOR SPECIFIC PLANS: ... D. That the development will not be detrimental to the public health, safety or welfare of persons residing or working in or adjacent to such a development; and will not be detrimental to the properties or improvements in the vicinity or to the general welfare of the County.

Full Breakdown

Lyon County's Land Use and Development Code contains no zoning district, use-table entry or dimensional standard aimed at data centers as a use; the word 'data center' appears in the code only inside Ordinance No. 641 (Bill 25-03), which approved a development agreement with Tract Capital Management, LP for the 460-acre Silver Springs Technology Park on Assessor's Parcel Numbers 015-111-01, 02, 04, 05, 06 and part of 015-091-08. That project, and any future one of similar scale, is sited through the county's general large-project review track rather than a use-specific ordinance: LCC § 15.211.01 requires a Specific Plan for any master plan land use map amendment over 160 acres and allows one for projects of 40 acres or more, and SSTP's footprint clears both thresholds.

Before the Planning Commission can recommend approval and the Board of County Commissioners can adopt it, LCC § 15.211.04 requires findings that the plan is consistent with the master plan, furthers the purposes stated for the applicable zoning district, and will not be detrimental to public health, safety or welfare or to nearby properties and improvements. The Board sits as the final hearing body after a noticed public hearing. Community Development processes the specific plan application and any companion development agreement; the SSTP agreement itself was reviewed under LCC § 15.110 and adopted by ordinance after two readings before the Board, with the Clerk of the Board recording the agreement with the county recorder. No separate 'data center overlay,' floor-area cap or power-use standard exists; siting turns entirely on the Specific Plan and development agreement findings described above.

Violations & Fines

Building without an approved specific plan and development agreement leaves a project without the consistency findings LCC § 15.211.04 requires, so Community Development can withhold permits for the site. A specific plan designation cannot be used as the basis for a development proposal until the plan is approved under LCC § 15.211.06, and under LCC § 15.110.02 the Board can require bonding, a cash deposit or other security to guarantee required infrastructure before work proceeds.

Frequently Asked Questions

Does Lyon County have a zoning district just for data centers?
No. Lyon County Code Title 15 has no data center zoning district or use table entry. Large projects like the 460-acre Silver Springs Technology Park are approved case by case through the Specific Plan process in LCC § 15.211 and a companion development agreement under LCC § 15.110, not through a standing data center ordinance.
What acreage triggers Lyon County's Specific Plan process?
LCC § 15.211.01 requires a Specific Plan for any master plan land use map amendment exceeding 160 acres, and allows one for smaller projects of 40 acres or more. The Silver Springs Technology Park's 460-acre data center footprint clears both thresholds.
Who approves a data center specific plan in Lyon County?
The Planning Commission reviews the application and recommends action, then the Board of County Commissioners holds its own noticed public hearing and makes the findings required by LCC § 15.211.04, including master-plan consistency and no detriment to public health or safety, before adopting the specific plan and any development agreement by ordinance.

Sources & Official References

Other rules in Lyon County

All Lyon County rules

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