TEXT ONLYEMPLOYMENTCONTACT USTRANSPARENCY GOVERNMENT RESIDENTS BUSINESSES DOCUMENTS EVENTS SEARCH Search this section only IN THIS SECTION Business Resources Business Licenses Contractor Licenses Shop Ballwin First Program West St. Louis County Chamber of Commerce Business Bulletin Share this page Contractor Licenses The City of Ballwin requires that all contractors doing work within the City of Ballwin have a Contractor’s License. Proof of Worker’s Compensation Insurance is required. If your business is not required to carry Worker’s Compensation Insurance, then an Affidavit of Exemption is required. Special licensing restrictions and exclusions apply to pulling Electrical, Plumbing, and Mechanical Permits. Each contractor must have an active St. Louis County License in their respective field of expertise in addition to a contractor’s license. Apply for a new contractor’s license Affidavit of Exemption License Renewal: To renew, please visit the Government Center or contact the Inspections Department at inspections@ballwin.mo.us Contact Us 1 Government Ctr Ballwin, Missouri 63011 Site Powered By: Expressive Tek (636) 227-9000 voice Relay Missouri 711 ADA Compliance Privacy Policy Copyright ©2021 City of Ballwin, Missouri. All rights reserved.