Lyon County, Iowa



Michele Stewart

Lyon County Treasurer

Phone:  (712) 472-8500 Tax

                 (712) 472-8509 Motor Vehicle

                 (712) 472-8529 Drivers Lic.


Office Hours - Vehicle & Drivers Lic:

8:00 AM - 4:00 PM

Monday - Friday


Office Hours - Taxes:

8:00 AM - 4:30 PM

Monday - Friday


Office Hours - Passports

8:30 A.M. - 2:30 P.M.

Monday - Friday

Payment by check only (2 checks needed)


Mailing Address:

Lyon County Courthouse

206 S. 2nd Avenue, Ste 107

Rock Rapids, IA  51246-1538


Welcome to the web site of the Lyon County Treasurer.  It is our goal to provide you with the information you need to contact us and to conduct business with this office.  The main areas of operation for the Treasurer’s office are:

- The collection of property taxes for all real estate, mobile homes and special assessments in Lyon County.  We administer the Iowa Property Tax Program, Elderly Tax Credit Program, conduct the annual tax sale for the collection of delinquent taxes and answer inquiries concerning taxes.  You may pay your taxes online at

- The issuance of vehicle titles and registrations and the collection of all vehicle fees for the residents of Lyon County.  We process all of the vehicle transactions and answer the many questions concerning titling and licensing of motor vehicles.  Online renewals are available at

- The issuance and renewals of driver’s licenses.  All written tests and driving tests are administered  in Rock Rapids at the Treasurer's Office.  Appointments are needed for Motorcycle and Car Driving tests.

The Treasurer's Office is also responsible for financial administration, banking services, cash management and investments for the county.  We manage about $23 million per year in receipts, distribution of collections to schools, cities and all other taxing agencies.

The U. S. Dept. of State has authorized the tax dept. of the Treasurer's office to accept passport applications on their behalf.  U.S. citizens may apply for their passports at our office, Monday-Friday, without appointment, but we recommend arriving before 2:30 pm to allow sufficient time for processing. Visit the official website for application forms, documentation required, fees and other valuable information.

It is our goal to provide quality and courteous customer service to the residents of Lyon County and to anyone doing business with any of the departments of the Lyon County Treasurer’s Office.

Property Tax Payment Options

The mobile home, special assessments and property taxes are available for online payment at  You may also pay by mail, use the East side dropbox,  or at our office Monday - Friday, 8:00 am to 4:30 pm.

Property Tax FAQ

Q.   Where are you located?

A.   Lyon County Courthouse, 206 S. Second Avenue, Rock Rapids, Iowa 51246

Q.   What hours are you open?

A.   All offices open at 8:00 a.m..  The Tax Office closes to the public at 4:30 p.m. While the Motor Vehicle and Driver’s License close at 4:00 p.m..

Q.   How can I contact the Treasurer's Office?

A.   Our telephone numbers are:

Tax  -  712-472-8500

Motor Vehicle  -  712-472-8509

Driver’s License  -  712-472-8529

You may also contact the by e-mail at

Q.  When do I receive a tax statement?

A.  Tax statements are usually mailed out the end of July or first part of August.  They are mailed to the titleholder of record or contract purchaser.

Q.   When are tax payments due?

A.   Your tax statement will have two stubs at the top to make payment.  You may pay the full year in the fall or choose to make two payments by the due dates.  FIRST HALF TAXES are due September 1st and become delinquent October 1st.  SECOND HALF TAXES ARE DUE March 1st and become delinquent April 1st.  The interest rate on delinquent taxes is 1 ½% per month rounded to the nearest whole dollar.  There is a minimum of $1.00.

Q.   I thought my mortgage company paid my taxes?

A.   The tax statements are required to be sent to the owner of the property.

Q.   Can I make a partial payment on my taxes?

A.   Yes, partial payments are accepted for current and delinquent taxes.  If paying delinquent taxes, the amount of the partial payment must be equal to or greater than the late interest and cost due.  Partial payments are not accepted for special assessments.  Tax sale redemptions and subsequent tax payments are not accepted on line.  Please contact the office to make these payments.

Q.   What happens if my taxes are not paid by the due date?

A.   On the first of each month, late interest at the rate of 1.5% per month (rounded to the nearest whole dollar with a minimum of $1.00) will be added to the unpaid balance of your property taxes.


Q.   What are my payment options?

A.   You may pay on line at using Master Card, Visa, Discover Card or e-Check.  You may also pay by mail, using the East side dropbox,  or in the office with cash, check, money order or Discover Card.

Motor Vehicle FAQ

Q.   Where are you located?

A.   Lyon County Treasurer’s office is located at 206 S. Second Avenue in Rock Rapids, Iowa.

Q.    What hours are you open?

A.     We are open from 8:00 a.m. to 4:00 p.m.  Monday through Friday.  Appointments are needed for car drives and motorcycle drives.   Last written      tests are given at 3:30 p.m.

Q.   What is your telephone number?

A.   The motor vehicle number is 712-472-8509.  Our telephone line is open from 8:00 a.m. to 4:30 p.m..

Q.   What documents do I need to get an Iowa title?

A.   You will need a valid Iowa Drivers License or Social Security card.

Q.   I have lost my validation sticker or registration, where do I go to obtain a new one?

A.   If you live in Lyon County, you come to the Motor Vehicle Office in Rock Rapids.

Q.   What are my payment options?

A.   You may pay on line at and use Master Card, Visa, Discover Card or use an e-Check.  You may also mail it to the office, put it in the East side dropbox, or come in and use either cash, check, money order or Discover Card.

Q.   What do I need to do to put my vehicle in storage?

A.   You need to turn in the plates and registration before the vehicle becomes delinquent.  The fees then stop on that vehicle until it is taken out of storage.  At that time, the full year fees are due.

Drivers License FAQ

Q.   Where are you located

A.   The office is located at 206 S. Second Avenue in Rock Rapids, Iowa.

Q.   What are your hours?

A.   We are open from 8:00 a.m. to 4:00 p.m. Monday through Friday.    

Q.   Do I need a Real I.D.?

A.   Yes, you will need a Real I.D. to enter a federal building or to board an airplane.  To obtain a Real I.D. you will need 1) Passport or Birth Certificate accompanied with proof of name change 2) Social Security Card 3) 2 forms of address verification