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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: O’Fallon hosts the area’s largest Independence Day celebration, the Heritage & Freedom Fest. Held at Ozzie Smith Sports Complex, more than 100,000 attend the 3-day event featuring nationally-known musicians, a carnival and midway, parade and fireworks.