Ladue Building Deparment

Ladue Building Deparment

Commonly Asked Questions

What are your office hours?

The Building Department is open from 8:00 AM to 12:00 PM and 1:00 PM-4:00 PM Monday through Friday.

What type of projects require a permit?

The installation of new patios, driveways, walkways, storage sheds, the replacement, repair, or construction of new fences and retaining walls, and play apparatus require a building permit.  Changes in grade, interior and exterior remodels, additions to existing residences, and new residences also require a building permit.  The permit must be approved prior to work commencing on the project.

The demolition of an existing residence or accessory building requires a demolition permit.

Tree removal permits are required for any tree that is not considered dead, diseased or dying.  For a tree removal permit, owner's signature and all application documentation is required. There is a cost of $100 upon approval. You will be contacted by the building department when the permit is ready.  If you have any questions, call 997-6308 or e-mail   

New or replacement mechanical systems require an HVAC permit.

The modification of a plumbing, sewer, or drainage systems requires a plumbing permit.

Modifications to electrical systems or new installation require electrical permits from St. Louis County and must be performed by a licensed electrician.  For more information contact the St. Louis County Department of Public Works at 615-5184.

How long does it take to review my permit application?

Review times vary based on the type of project.  Typically a project can take two-three weeks for approval. New Residences will take longer, they require approval from the Architectural Review Board.

What type of projects do not require a permit?

Roof repair or exterior repair from minor storm damage does not require a permit.  Replacement patios, driveways, or walkways that are the same dimension and location as previously installed do not require a permit.

Kitchen remodels which only involve the replacement of appliances and cabinets do not require a permit.

If you have any questions as to whether or not a permit is required, please call the Building Department at 314-997-6308 so we can discuss your project with you.

How do I schedule an inspection?

Inspection can be scheduled by contacting the Building Department at 314-997-6308 no later than 3:00 PM  48 hours prior to the day before you would like the inspection to occur.  Inspections can be scheduled for AM or PM.  Please provide your permit number, the type of inspection, and the day you would like the inspection to occur.

What times is construction noise allowed?

Construction noise is allowed Monday through Saturday 7 AM to 6 PM.  Any construction noise before or after the allowed time is considered a violation of the City’s noise ordinance.


Ladue Building Department
9345 Clayton Rd
Ladue, MO 63124

(314) 997-6308

Upcoming Events

March 26
City Council Meeting
4:00 PM
9345 Clayton Road City Council Chambers
March 28
Records Control Committee
3:40 PM
9345 Clayton Road
March 28
Zoning and Planning Meeting
4:00 PM
March 29
Architectural Review Board Guidelines Committee
4:00 PM
9345 Clayton Road
April 3
Zoning Board of Adjustment
4:00 PM
9345 Clayton Rd.
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