Department Training Closure

The Mapping & Zoning Departments will be closed on Tuesday August 27 due to training. These departments will reopen on Wednesday August 28th..

How Can We Help You?

Arial view of a neighborhood

St. Clair County Residents

Our Residents are the heart of St. Clair County. The people who live, work and play here are the people we serve. The Residents section will guide you to the resources you need to help you get the most of the services that St. Clair County provides.

an Open sign in a business window

St. Clair County Business Owners

Business is the engine that drives St. Clair County. We want to provide business owners all the information and reosurces that we can to help them thrive.

Shelf full of books

St. Clair County Attorneys

Attorneys and their clients make up a large portion of the visitors to the County Building. Court record searches, dockets & schedules, and many required documents are all available online to make the process more efficient.

A model of a house with a set of house keys

St. Clair County Homeowner Services

Contractors, Builders, Realtors, Appraisers and more. These are the people who service the homeowners and residents of St. Clair County and the County has multiple resources to help. Maps, assessment information, codes & regulations, and more can be found here.

Meetings & Events

Welcome ToSt. Clair County

St. Clair County is home to Scott Air Force. Scott Air Force Base pumps about $2 billion a year into the region's economy. With more than 13,000 employees, Scott is one of the top five employers in the St. Louis region.

St. Clair County is surrounded by several major tourist attractions including the National Shrine of Our Lady of the Snows, Gateway International Raceway and Cahokia Mounds.

County Courthouse building

downtown belleville
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