Welcome to the City of Ladue Building Department
The Building Department is responsible for reviewing and issuing plumbing, HVAC, and building and all related permits* for projects within the City of Ladue. The Building Department also reviews and addresses code or ordinance violations as necessary within the City. (*Electrical permits should be submitted and reviewed through St. Louis County)
Notice of Flood Hazard Revision information: The following links includes the map and a detailed analysis of the proposed flood hazard revisions:
To view and submit through our NEW citizen portal, click below!
Building and City Codes
Most of your questions can be answered by viewing our ordinances or our zoning ordinance #1175.
We are currently under the 2021 International Building Code, 2021 International Residential Code, 2021 International Mechanical Code, and 2021 International Plumbing Code, 2021 Fuel Gas Code, 2021 Property Maintenance Code, 2021 Pool & Spa Code and 2021 Fire Code for residential and commercial (Ord.2284) Please review the applications we have online, they provide helpful tips and checklists for your project.
Requesting a permit extension:
If you have received a notification that your permit has expired, please contact us through the link below to request an extension. We will respond via email once it is processed. You must include the project address and permit number for the extension to approved.
Building Department Staff
9345 Clayton Rd
Ladue, MO 63124
Monday - Friday
8:00 am to 4:00 pm
Closed for Lunch 12-1PM