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100 North Main Street
O'Fallon, MO 63366
Phone: 636-379-5532
Email: [email protected]

©2018-2021 City of O'Fallon, Missouri
 

Our Services

The Economic Development Department at the City of O’Fallon is dedicated to welcoming new businesses to the community by providing focused support, attentive service, and up-to-date demographics and site information. The City expedites the process of opening a new business with the assistance of the unique Open in the ‘O’ program. The City’s innovative business services also include business expansion assistance, frequent retention visits, free direct marketing opportunities, and more.
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Get in Touch

Get in Touch

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Meet Our Team

Meet Our Team

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Testimonials

Testimonials

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What We Can Do for You

What We Can Do for You

O’Fallon Fact: The City of O’Fallon is home to two monuments honoring the victims and first responders who perished in the terrorists attacks on New York City’s World Trade Center on September 11, 2001. The twisted steel, salvaged from the World Trade Center twin towers, was presented to O’Fallon by the City of New York in 2001.