Affinity Building Solutions is a full-service general contracting company proudly serving O’Fallon and all of St. Charles County, Missouri. We specialize in new construction, custom home building in St. Charles County, large-scale renovations, and exterior construction projects designed to enhance both value and functionality. From initial planning and budgeting to final finishes, our team manages every phase of residential and light commercial construction with precision and transparency.
Our team brings decades of real-world construction and real estate experience to projects such as full home renovations & major additions, custom-built homes, decks, and exterior upgrades. Whether you are building from the ground up or transforming an existing property, we provide hands-on project management, clear communication, and dependable timelines.
With more than 20 years of real estate and construction experience, we deliver high-quality projects. As a locally owned contractor, we understand local building codes, zoning requirements, and construction standards across St. Charles County. Every project is approached with attention to detail, transparency, and long-term value in mind. From initial consultation to final walkthrough, our goal is to deliver durable, well-executed construction solutions tailored to your property and goals.
➢ Veteran-owned construction company
➢ 20+ years of experience in real estate & custom building
➢ Serving O’Fallon and St. Charles County, MO
