Lyon County Iowa Assessor's Office

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!

01/27/2026

Lyon County Eggs & Issues Legislative Coffee

Saturday, March 21 @ 8:30 am

Forster Comm. Center

Join State Senator Jeff Taylor & State Representative Skyler Wheeler for an open legislative forum.
Coffee & rolls will be served for a free will donation.

01/17/2026

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.

01/04/2026

Sioux County is now home to the two highest per acre land sales in state history. Details at siouxcountyradio.com/local-news/sioux-county-farmland-sale-sets-new-iowa-record/

01/02/2026

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