St. Louis County Permits

General Information: 314-615-5184
Search Permits (Citizen Access)
Permit Applications
When Required?

Residential 

Commercial

Construction

Homeowner Testing

(Must be primary residence)
Fee: $25 per test

Electrical (Single Family)

  • Unincorporated County integrated permits

      Resid. Asst. Chief:

         314-615-7110

  • Contracted Municipalities

      Elect. Asst. Chief:

         314-615-7162

Plumbing (Single Family)
   Plumb. Asst. Chief:

      314-615-0330

Permit Services
Fee Information

Commercial Resources

Permit Application Center (PAC)

  • 314-615-4269

Business Assistance Center (BAC)

Contractors - Out of State