Welcome to Jefferson County, MO’s online portal to obtain/renew your contractor’s license.

General Instructions

Each License will require the applicant to complete required information fields and upload copies of all required documentation. The links below will identify the requirements. It is highly recommended that you first download the corresponding PDF Application and/or Checklist/Instructions, and have all the required information and documents ready to upload prior to beginning the online application process. The PDF Application is for reference only. Applications that are submitted without the required documentation may delay the review process or cause the application to be rejected.

Application Instructions

The system will filter License types as you scroll.   You can search by License type or License use.  License use will list various Licenses under each type.   You may also scroll through the list. 

Start by clicking Apply Online.
Create an account by clicking register. If you already have an account, sign in.
*If you have registered in our Liquor License online portal, you will need to create a new registration for our Contractor’s License portal. We recommend using the same username and password.

Step 1: Please enter your address or parcel number and click Generate Search Results, click on the parcel for which you are wanting a Contractor’s License.
Step 2: Business Type, select Contractor. Business Subtype, select the license type you are applying for.
Complete required information fields in Steps 3-5, upload required documents in Step 6, and click submit.

Few things to note:

• If you do not have an EIN number, type NA.
• Business Trade Name is also known as Doing Business As

 Current Submittal Requirements for all Contractors Licenses:

1. One digital front facial view photograph.
2. A security bond shall be in the amount of twenty-five thousand dollars ($25,000.00) payable to Jefferson County and issued by an institution authorized to issue such bonds in this State.
3. Certificate of liability insurance with a ten (10) day cancellation clause and a One million dollar ($1,000,000.00) aggregate limit and two hundred fifty thousand dollars ($250,000.00) per occurrence limit. The certificate must show Jefferson County as certificate holder.

For more information, please refer to the Code of Ordinances of Jefferson County Section 500.200.

 Renew a Contractor License:

        •   Sign in to your account.
        •   Click on 'My Licenses'. Here you should be able to see the licenses associated to your email address. The licenses available for renewal should have a 'Renew' button located on the right-hand side of the screen. 
        •   Click the Renew button and review the information we have on file, and submit your renewal.

For more information please  refer to the Code of Ordinances of Jefferson County Section 500.200.