Affinity Building Solutions is a veteran-owned residential construction company based in O’Fallon, Missouri, serving homeowners throughout St. Charles County.
With over 20 years of experience, we specialize in new home construction, renovations,
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additions, and custom residential building projects. Our team works closely with clients from planning and budgeting through final completion, providing clear communication and dependable project management.
We build on customer-owned land and assist with site evaluation, permitting coordination, and realistic construction timelines. Affinity Building Solutions proudly serves O’Fallon, St. Peters, Wentzville, Lake Saint Louis, and surrounding St. Charles County communities.
