Welcome to
Jefferson County's website

Welcome to Jeffcomo.org, your online connection to Jefferson County, Missouri government. Here you will find information on all Jefferson County Government departments and services as well as Jefferson County elected officials. We continue to work hard to provide you with easy access to information about County government. This website is just a part of Jefferson County’s commitment to providing and maintaining open and transparent County government. Please check back periodically as we will have ongoing improvements. Thank you for visiting Jefferson County online.

Jefferson County Emergency Hours of Operation 
Monday - Friday 9:00 a.m. - 4:00 p.m.

Please see link below regarding closure of County Offices 

County Information Line and Department Directory: 636-797-5555  

Partial Closure of County Offices to the Public

More Information and Office Directory

               Executive Orders

                  Executive Order 20-030 State of Emergency
  
                  Executive Order 20-030.1 Amended State of Emergency
  
                  Executive Order 20-030.2 Regarding Restaurants and Bars
  
                  Executive Order 20-030.3 Joint Stay at Home Order and FAQ
  
                  Executive Order 20-030.4 Modifying Sections (a), (u) and (x) of Joint Stay at Home Order
  
                  Executive Order 20-030.5 Modifying and Clarifying Sections (a) and (x)
  
                  Executive Order 20-030.6 Extension of Executive Order 20-030.2

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