Welcome to Maries County, Missouri


Office Hours

M-F, 8-noon & 1-4

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The Gasconade River

Maries County Court House, Vienna MO

The Maries River


Print Assessment Form

(2020 Version-Updated 12/31/2019)


Missouri Assessor's Association


Maries GIS

Maries County Assessor
Office Information

A county-wide elected office with a four year term, the Assessor's position is held by Dana Simmons. Mrs. Simmons has been the County Assessor since 2013 and is a life long resident of Maries County.

The Assessor is responsible for developing and maintaining a current list of all taxable real and tangible personal property in Maries County and assessing the property annually. Assessed valuation provides the tax base for property taxes levied by the County’s and its various political subdivisions. The Assessor's Office processes annual assessment forms for all tangible personal property to Maries County residents. The Assessor also performs tax mapping by maintaining and updating property lines based upon warranty deeds received from the Maries County Recorder of Deeds. Personal property lists are due in the Assessor’s Office by March 1st of each year. Personal property is assessed at 33 1/3 %, except for farm machinery & livestock, which is assessed at 12 %. Real Estate property is as follows: Residential 19% of Market Value, Commercial 32 % of Market Value, Agriculture Land at 12% of Productivity Value & Buildings at 12% of Market Value.

Feel free to contact us: Maries County Assessor
211 4th Street, Courthouse
P.O. Box 188
Vienna, Mo. 65582
Ph: 573-422-3540
Fax: 573-422-3859

Email: assessor@mariescountymo.gov

“I am very excited to be able to serve the fine citizens of Maries County”
-Dana Simmons