Before obtaining any permit, or beginning any construction project, officials from the Planning and Engineering Services Department are available to answer questions. Please call our office at 636-390-1010 or stop by. Our office hours are 8 a.m. to 5 p.m., Monday through Friday, excluding holidays. Email applications and plans to permitting@washmo.gov.
Building Permit Application
Electrical Only Permit Application (Panel, Meter, Pole)
Mobile Home Set Up Permit Application
Residential Fire Sprinkler Option Form
Site Plan Submittal Checklist