St. Louis County Building Department

Find St. Louis County Missouri building departments, planning, permits, zoning, and inspections. Building Departments provide information on certificates of occupancy (CO), building codes, construction codes, inspections, safety, violations, permits, community planning, zoning laws, regulations, ordinances, maps, and land use.


Chesterfield Planning Department 690 Chesterfield Parkway West Chesterfield MO 63017 636-537-4736


Clayton Permits 10 North Bemiston Avenue Clayton MO 63105 314-290-8440

Creve Coeur Zoning 300 North New Ballas Road Creve Coeur MO 63141 314-872-2501

Ferguson Permits 110 Church Street Ferguson MO 63135 314-521-7721

Maryland Heights Planning Department 11911 Dorsett Road Maryland Heights MO 63043 314-291-6550

St Louis County Permits 21 Grandview Plaza Shopping Center Florissant MO 63033 314-615-7304

How much does a building permit cost?

Building permit fees vary significantly from one locality to another. The fees are usually based on the total cost of the project.

If I have been issued a building code violation, can I appeal?

Yes, a building code violation can be appealed. In most cases, a local board will hear building code appeals. An appeal should be filed as soon as possible, as some jurisdictions impose deadlines for submitting appeals. The appeals process may require a fee.

Can the Building Department recommend a local home improvement contractor?

Local Building Departments are generally reluctant to recommend specific contractors. However, many will provide a list of licensed contractors that serve the local area.