Lyon County Iowa Assessor's Office

07/14/2026

01/30/2026

We had the privilege of interacting with 350 Lyon County high schoolers this morning at the Lyon County Economic Development Career Exploration Day; the future is looking bright Lyon County!

01/05/2026

Applications for the following programs are due to our office by February 1st, the yearly deadline. Please contact our office if you have questions ( 712-472-8550 or [email protected] )

• Forest and Fruit Tree Reservations • Slough or Wetlands Bill • Industrial Property • Urban Revitalization • Pollution Control & Recycling • Geothermal Heating & Cooling • Religious, Educational, and Charitable Property • All other Iowa Code 427 exemptions

Find and download commonly used forms by the Assessor's Office like credit applications, exempt applications, and more.

01/02/2026

Lyon County land values reach third highest in the state during 2025.

12/25/2025

12/24/2025

Merry Christmas from the Lyon County Assessor Staff 🎄

12/17/2025

The Lyon County courthouse will be closed for business Wednesday December 17th.

10/21/2025

The Iowa Doge Report has been released.

04/08/2025

Here is another good resource regarding property taxes and the role your assessment plays in the process.

Each year, property owners receive updated assessments of their real estate values, often leading to concerns that higher assessments directly cause an increase in property taxes. While we don’t want to immediately dismiss every concern about assessments and valuations, we have to remind everyone ...