Room Addition

You Provide

  • Two complete sets of room addition designs
  • A copy of the site survey with the proposed structure drawn in.
  • Completed Building Permit Application 
  • Mechanical, Electrical, and Plumbing permits must be applied for through St. Louis County's Public Works Department.


Call for the following inspections:

  • Footing Inspections
  • Foundation Inspections
  • Framing Inspections: after St. Louis County m.e.p. inspectors have approved their rough inspections.
  • Drywall Inspections
  • Final Inspections: After St. Louis County m.e.p. inspectors have approved their final inspections.
For additional information or further clarification please view our Municipal Code or contact the Public Works Department at Permits@DesPeresmo.org