The Westplex

What used to be called the Golden Triangle is now the Westplex.  It’s the Heart of St. Charles  County.  THE Place in St. Charles County to live, grow families and do business.

Westplex communities include Cottleville, Dardenne Prairie, Lake St. Louis, O’Fallon, St. Charles, St. Peters, Weldon Spring and Wentzville.

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