Cass County Clerk

Cass County Clerk The clerk’s office main goal is serving the fine citizens of Cass County in an efficient, effective and proper manner.

Striving for a cordial working relationship with the citizen, co-workers, other office holders and entities.

07/02/2026
The Cass County Clerk’s Office will be closed Monday, May 25th, in observance of Memorial Day. We will reopen Tuesday du...
05/22/2026

The Cass County Clerk’s Office will be closed Monday, May 25th, in observance of Memorial Day. We will reopen Tuesday during normal business hours.
As we honor and remember those who served, we wish everyone a safe and enjoyable holiday weekend.

The Cass County Clerk’s Office will be closed Friday, May 8th, in observance of Truman Day. We’ll be back after the long...
05/07/2026

The Cass County Clerk’s Office will be closed Friday, May 8th, in observance of Truman Day. We’ll be back after the long weekend—until then, enjoy a presidentially good weekend!

04/17/2026

Candidate filing reopened for Associate Circuit Judge- Division V:
Due to the withdrawal of the incumbent, candidate filing for Associate Circuit Judge Division V will be reopened per 115.361 RSMo. Filing will take place from April 20th starting at 8 am and will end on April 24th at 5 pm, in the Cass County Clerk’s office. Please direct any questions to the County Clerk’s office at (816) 380-8102.

03/23/2026

No-excuse early voting starts tomorrow and goes through 04/06/2026. Please bring a valid MO Photo ID to the Historic Courthouse to vote. Office hours are M-F 8 am- 4:30 pm.

03/05/2026

Please be advised, Cass County Clerks Office is aware of a text message going around indicating that Voters need to re-register to vote at their current address. This text is NOT from our office or from the Missouri Secretary of State.

If you ever have questions pertaining to your voter registration, please contact our office at (816) 380-8102.

03/04/2026

April 7th Election will be here before you know it! Make sure you’re registered to vote by March 11th so you can cast your ballot.

Address

102 E Wall Street
Harrisonville, MO
64701

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

+18163808102

Website

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