Heritage of Excellence
Built on a lifelong foundation in the construction trades, Keystone Building Solutions brings together generations of hands-on knowledge, professional carpentry experience, and modern business and finance education. What began with early experience in roofing and construction developed into skilled trade work and has evolved into a business focused on dependable project coordination, clear communication, and quality workmanship. Today, that foundation shapes Keystone’s approach to serving Bay Area property owners with integrity, accountability, and a commitment to protecting every client’s investment
Services requiring a California contractor license will be offered upon licensure.
Our Experts
David Sterling
Lead Architect & Project Director. David specializes in high-end renovation planning and structural assessments for the Bay Area's most demanding residential and commercial properties.
Sarah Jenkins
Senior Project Manager. Sarah coordinates complex contractor networks and oversees every phase of construction management, ensuring seamless communication and precision planning.
Michael Chen
Lead Structural Engineer. Michael provides technical assessments and property evaluations, focusing on structural integrity and compliance with the highest industry standards.