The Lyon County Assessor’s Office is primarily responsible for maintaining property tax assessment records for approximately 34,072 parcels (as of 12/22) within one of the fastest growing jurisdictions in the United States.

Assessor's Office Disclaimer
The Lyon County Assessor's Office makes every effort to produce and publish the most current and accurate information possible. No warranties, expressed or implied, are provided for the data herein, its use, or its interpretation. The assessed values are subject to change before being finalized for ad valorem tax purposes. The Assessor parcel maps are for assessment use only and do NOT represent a survey. The Assessor parcel maps are compiled from official records, including surveys and deeds, but only contain the information required for assessment. See the recorded documents for more detailed legal information.


The Assessor’s Office handles the appraisal and administrative functions for Lyon County including: