William Henry Lyon IV is the founder and owner of W. H. Lyon Builders, Inc., a premier fine home building, renovation, and remodeling company renowned for its craftsmanship and innovation. Raised in a family with deep roots in real estate, William grew up immersed in the world of homes, shaped by the legacy of W. H. Lyon Real Estate, a fourth-generation company founded in 1935 by his great-grandfather. This heritage fueled his passion for creating exceptional living spaces and honed his expertise in construction, project management, AIA contract-controlled building, and fine millwork. William delivers bespoke homes and transformative renovations that seamlessly blend timeless design with modern functionality. His mastery of AIA contract standards ensures precision, compliance, and efficiency, while his fine millwork skills—specializing in curved moldings, exotic hardwoods, built-in cabinets, and custom millwork—elevate projects with unparalleled artistry. His hands-on leadership and dedication to client satisfaction have established W. H. Lyon Builders, Inc. as a trusted leader in the industry.

An avid outdoorsman, William draws inspiration from the precision of activities like golf and sailing, qualities he infuses into every project. Known for his strategic vision and dry sense of humor, he cultivates a collaborative environment, ensuring his team consistently exceeds expectations. William’s commitment to quality and personalized service continues to drive W. H. Lyon Builders, LLC’s mission to create enduring, inspiring spaces.